diff --git a/CHANGELOG.md b/CHANGELOG.md
index cf55d54b..f2d9bcf0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,13 @@ The format follows [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).
 
 ### Added
 
+- **Standalone clients** (`--standalone`, `-sa`, or `"standalone": true` in the settings file): the
+  generator writes a copy of the runtime into `Runtime/` under `<namespace>.Runtime`, so the client
+  references no Linq2GraphQL package. Clients generated with different generator versions can then be
+  used in one app. `Runtime/RuntimeInfo.cs` records the runtime version and the packages it needs, which
+  the generator also prints. With `--agent` the copy includes the agent tools from
+  `Linq2GraphQL.Client.AI` too, in `<namespace>.Runtime.AI`.
+
 - `GraphSubscriptionExecute.StartWithErrorsAsync()` returns `IObservable<GraphResult<T>>`.
   Each event carries its data AND its GraphQL `errors`. A `next` event with field errors
   no longer terminates the subscription: partial data and later events keep flowing.
@@ -111,6 +118,9 @@ Behaviour changes that callers may notice. None of them changes a public signatu
 
 ### Fixed
 
+- The safe-mode schema cache key includes the schema type, so clients with their own runtime copy
+  that share an `IMemoryCache` and an endpoint no longer read each other's cached schema
+  (`InvalidCastException`).
 - A server `complete` frame now completes the typed subscription observable. Previously
   the observable stayed open after the server finished the stream.
 - A `Fault` overflow in one subscriber no longer starves other subscribers of the same
diff --git a/CLAUDE.md b/CLAUDE.md
index 706a8eb2..4b310701 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -64,6 +64,8 @@ Key details that bite:
 
 **T4 workflow (from DEVELOPER.md — read it before touching templates):** each template is three files — `X.tt` (source, edit this), `X.tt.cs` (hand-written partial with constructor params and helpers), and `X.g.cs` (preprocessed output, **generated at build time, gitignored**). The generator's csproj runs the pinned `dotnet-t4` local tool (`.config/dotnet-tools.json`) over every `Templates\**\*.tt` before compiling, so editing a `.tt` and building is the whole loop and stale template logic cannot be built. Compile errors inside template code are reported against the `.tt` file and line. A template in a new folder needs a `T4Template` item with a `TemplateNamespace` in the csproj.
 
+**Standalone mode** (`--standalone`, `StandaloneRuntime.cs`) makes the output carry its own copy of the runtime instead of depending on the packages, so clients generated by different versions can share an app. The csproj embeds `src/Linq2GraphQL.Client`, `.Subscriptions` and `.AI` source (minus `Assembly.cs`) as resources; Subscriptions is copied only with `--subscriptions` and AI only with `--agent`; the generator writes it to `Runtime/` with `Linq2GraphQL.Client` rewritten to `<namespace>.Runtime` everywhere, including the generated client files. So the runtime must stay copyable: no reliance on its own assembly name, no `InternalsVisibleTo` from generated code, no hard-coded `"Linq2GraphQL.Client"` strings, and anything shared across apps (like the safe-mode cache key) must be keyed by type so copies don't collide. `TestClientStandalone` is the checked-in standalone output; `Linq2GraphQL.Tests.Standalone` compiles the main suite's test files against it, with `StandaloneNamespaces.cs` pointing the package namespaces at the copy.
+
 `GeneratorSettings.Current.Nullable` is ambient static state read from inside templates; the nullable and non-nullable clients differ mainly in nullable annotations and `#pragma warning disable CS8618`.
 
 `GeneratorSettings.Current.TypeMapping` is the GraphQL-scalar-to-CLR-type table for the run: `Helpers.DefaultTypeMapping` with any `scalarMappings` from the `--config` settings file applied on top (`GeneratorConfig`). It is read in exactly two places - `BaseType.GetCoreType` for the emitted type name and `Schema.GetCustomScalars`, which treats absence from the table as "generate a `CustomScalar` class for this scalar" - so mapping a scalar to a simple type also suppresses its generated class, and mapping it to `null` does the reverse. Override targets are validated against `Helpers.SupportedTargetTypes`, an allow-list, because a null `CoreType.CSharpType` silently changes nullability and the input-factory template rather than failing.
@@ -73,6 +75,6 @@ Key details that bite:
 
 `Linq2GraphQL.Tests` is xUnit + Shouldly + Moq. It spins up the real GraphQL server in-process with `WebApplicationFactory<Program>` — `Linq2GraphQL.TestServer` is HotChocolate over the POCOs in `TestServer.Shared`, and `TestServerNullable` is the same schema for the nullable client. `SampleClientFixture` / `SampleClientNullableFixture` wire the generated client to that in-memory host (safe mode on, SSE subscriptions), and test classes take them via `IClassFixture<>`. So most tests are end-to-end: an assertion failure can come from the expression parser, the query text, or the server's own resolvers.
 
-`Linq2GraphQL.TestClient` / `TestClientNullable` hold **checked-in generated output**. They are not regenerated by the build — run `./scripts/regenerate-test-clients.ps1` (it boots both test servers over plain HTTP, regenerates both clients with the flags that produced the committed output, and writes them back) and commit the diff. The `generated-clients` CI job runs the same script with `-Check` and fails if the committed output no longer matches the generator, so a template or schema change that you forget to regenerate is caught in CI rather than passing against stale output.
+`Linq2GraphQL.TestClient` / `TestClientNullable` / `TestClientStandalone` hold **checked-in generated output**. They are not regenerated by the build — run `./scripts/regenerate-test-clients.ps1` (it boots the test servers over plain HTTP, regenerates the clients with the flags that produced the committed output, and writes them back) and commit the diff. The `generated-clients` CI job runs the same script with `-Check` and fails if the committed output no longer matches the generator, so a template or schema change that you forget to regenerate is caught in CI rather than passing against stale output. `TestClientStandalone` contains a copy of the runtime, so **any change under `src/Linq2GraphQL.Client`, `.Subscriptions` or `.AI` also needs a regenerate**; `-Check` ignores only the version line in its `RuntimeInfo.cs`.
 
 `docs/` (the Blazor documentation site) and `StartGG/` (a sample client) are outside the CI solution filter and can drift.
diff --git a/Linq2GraphQL.CI.slnf b/Linq2GraphQL.CI.slnf
index e99fb3e6..be5bfa99 100644
--- a/Linq2GraphQL.CI.slnf
+++ b/Linq2GraphQL.CI.slnf
@@ -10,10 +10,12 @@
       "test\\Linq2GraphQL.Agent.Sample\\Linq2GraphQL.Agent.Sample.csproj",
       "test\\Linq2GraphQL.TestClient\\Linq2GraphQL.TestClient.csproj",
       "test\\Linq2GraphQL.TestClientNullable\\Linq2GraphQL.TestClientNullable.csproj",
+      "test\\Linq2GraphQL.TestClientStandalone\\Linq2GraphQL.TestClientStandalone.csproj",
       "test\\Linq2GraphQL.TestServer\\Linq2GraphQL.TestServer.csproj",
       "test\\Linq2GraphQL.TestServer.Shared\\Linq2GraphQL.TestServer.Shared.csproj",
       "test\\Linq2GraphQL.TestServerNullable\\Linq2GraphQL.TestServerNullable.csproj",
-      "test\\Linq2GraphQL.Tests\\Linq2GraphQL.Tests.csproj"
+      "test\\Linq2GraphQL.Tests\\Linq2GraphQL.Tests.csproj",
+      "test\\Linq2GraphQL.Tests.Standalone\\Linq2GraphQL.Tests.Standalone.csproj"
     ]
   }
 }
diff --git a/Linq2GraphQL.sln b/Linq2GraphQL.sln
index ef044bf5..51b9a7b4 100644
--- a/Linq2GraphQL.sln
+++ b/Linq2GraphQL.sln
@@ -28,6 +28,10 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Linq2GraphQL.TestServer.Sha
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Linq2GraphQL.TestClientNullable", "test\Linq2GraphQL.TestClientNullable\Linq2GraphQL.TestClientNullable.csproj", "{8083E0AF-8429-4EA1-9BC9-8B6EE5EFB9B2}"
 EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Linq2GraphQL.TestClientStandalone", "test\Linq2GraphQL.TestClientStandalone\Linq2GraphQL.TestClientStandalone.csproj", "{B6FCB2DB-88F4-44DD-8A77-4675AA6E8D60}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Linq2GraphQL.Tests.Standalone", "test\Linq2GraphQL.Tests.Standalone\Linq2GraphQL.Tests.Standalone.csproj", "{DB460038-5D98-46AC-8551-5F928C2EC76A}"
+EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Linq2GraphQL.Console", "test\Linq2GraphQL.Console\Linq2GraphQL.Console.csproj", "{058B468F-CE72-4CFF-8847-87CEED642C4E}"
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Linq2GraphQL.Agent.Sample", "test\Linq2GraphQL.Agent.Sample\Linq2GraphQL.Agent.Sample.csproj", "{6E3C2B71-4D8A-4F1E-9B57-2A9C0D4E8F13}"
@@ -92,6 +96,14 @@ Global
 		{8083E0AF-8429-4EA1-9BC9-8B6EE5EFB9B2}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{8083E0AF-8429-4EA1-9BC9-8B6EE5EFB9B2}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{8083E0AF-8429-4EA1-9BC9-8B6EE5EFB9B2}.Release|Any CPU.Build.0 = Release|Any CPU
+		{B6FCB2DB-88F4-44DD-8A77-4675AA6E8D60}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{B6FCB2DB-88F4-44DD-8A77-4675AA6E8D60}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{B6FCB2DB-88F4-44DD-8A77-4675AA6E8D60}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{B6FCB2DB-88F4-44DD-8A77-4675AA6E8D60}.Release|Any CPU.Build.0 = Release|Any CPU
+		{DB460038-5D98-46AC-8551-5F928C2EC76A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{DB460038-5D98-46AC-8551-5F928C2EC76A}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{DB460038-5D98-46AC-8551-5F928C2EC76A}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{DB460038-5D98-46AC-8551-5F928C2EC76A}.Release|Any CPU.Build.0 = Release|Any CPU
 		{058B468F-CE72-4CFF-8847-87CEED642C4E}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{058B468F-CE72-4CFF-8847-87CEED642C4E}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{058B468F-CE72-4CFF-8847-87CEED642C4E}.Release|Any CPU.ActiveCfg = Release|Any CPU
@@ -135,6 +147,8 @@ Global
 		{F0D6061C-3D3F-4323-AE4F-39737F5E2247} = {3D9B8FE2-6906-4190-9AB4-845BAB6E403C}
 		{C1908816-34E7-4B41-9E39-2283C59DB017} = {5BE1963B-E57D-4CF5-B03E-644D8F39B4D2}
 		{8083E0AF-8429-4EA1-9BC9-8B6EE5EFB9B2} = {3D9B8FE2-6906-4190-9AB4-845BAB6E403C}
+		{B6FCB2DB-88F4-44DD-8A77-4675AA6E8D60} = {1F4F9593-3C19-4C2E-AF8C-C269659AA12A}
+		{DB460038-5D98-46AC-8551-5F928C2EC76A} = {5BE1963B-E57D-4CF5-B03E-644D8F39B4D2}
 		{058B468F-CE72-4CFF-8847-87CEED642C4E} = {5BE1963B-E57D-4CF5-B03E-644D8F39B4D2}
 		{6E3C2B71-4D8A-4F1E-9B57-2A9C0D4E8F13} = {5BE1963B-E57D-4CF5-B03E-644D8F39B4D2}
 		{C0E1A444-A834-4FC0-8436-38066EA8D37D} = {F646B02D-53FC-4C88-8941-2255A2F4DAF6}
diff --git a/README.md b/README.md
index bf245945..2366282f 100644
--- a/README.md
+++ b/README.md
@@ -72,6 +72,7 @@ Usage:
 	  -d  --deprecated			   Include Deprecated as Obsolete
       -sc --schema                 Schema file (SDL) to generate from instead of an endpoint
       -ag --agent                  Agent mode: also emit the schema as SDL (see docs/design/agent-mode.md)
+      -sa --standalone             Write a copy of the runtime into the output, see Standalone clients below
       -cf --config                 Json settings file, see Configuration file below
 
 As an example:
@@ -139,6 +140,7 @@ file is allowed to be absent.
 | `nullable`       | bool   | `false`                  | `-nu`, `--nullable`   |
 | `deprecated`     | bool   | `false`                  | `-d`, `--deprecated`  |
 | `agent`          | bool   | `false`                  | `-ag`, `--agent`      |
+| `standalone`     | bool   | `false`                  | `-sa`, `--standalone` |
 | `scalarMappings` | object | none                     | *no equivalent*       |
 | `descriptionAttributes` | bool | `true`              | *no equivalent*       |
 
@@ -181,6 +183,25 @@ Scalar names are matched case insensitively. The target must be one of the suppo
 (`System.Int64`). Anything else fails the run with an error rather than generating a client that does
 not compile.
 
+### Standalone clients
+
+A generated client normally references the `Linq2GraphQL.Client` package, and an app gets one version
+of it however many clients it uses. When clients are shipped as packages of their own by different
+teams, an app that references clients made with different generator versions ends up with whichever
+runtime NuGet picks. With `--standalone` (`-sa`) the generator instead writes a copy of the runtime into
+`Runtime/` in the output, under the namespace `<namespace>.Runtime`, so the client depends on nothing
+from Linq2GraphQL:
+
+    Linq2GraphQL https://spacex-production.up.railway.app/ -c="SpaceXClient" -n="SpaceX" -o="Generated" --standalone
+
+With `--agent` the copy also includes the agent tools from `Linq2GraphQL.Client.AI`, in
+`<namespace>.Runtime.AI`. `Runtime/RuntimeInfo.cs` records the runtime version and the packages the
+copy needs, and the generator prints them as `PackageReference` lines to add instead of the
+Linq2GraphQL packages. Code using the client does not change; runtime types you name yourself
+(`GraphClientOptions`, `GraphQueryExecutionException`) come from `SpaceX.Runtime`. A runtime fix
+reaches the client only when you regenerate, and the `Runtime` folder is rewritten on every run (don't
+edit it).
+
 ## Add Nuget
 
 Latest
diff --git a/docs/Linq2GraphQL.Docs/Pages/Generator.razor b/docs/Linq2GraphQL.Docs/Pages/Generator.razor
index 932f543b..78a7e811 100644
--- a/docs/Linq2GraphQL.Docs/Pages/Generator.razor
+++ b/docs/Linq2GraphQL.Docs/Pages/Generator.razor
@@ -29,6 +29,7 @@
             <tr><td class="text-nowrap"><code>-es</code>, <code>--enum-strategy</code></td><td><code>FailIfMissing</code></td><td><code>AddUnknownOption</code> gives every enum an extra <code>Unknown</code> member, so values added to the schema later don't break deserialization.</td></tr>
             <tr><td class="text-nowrap"><code>-d</code>, <code>--deprecated</code></td><td><code>false</code></td><td>Include deprecated fields and enum values, marked <code>[Obsolete]</code>. Without it they are left out.</td></tr>
             <tr><td class="text-nowrap"><code>-ag</code>, <code>--agent</code></td><td><code>false</code></td><td>Agent mode, in preview: also emit the schema as SDL so <code>Linq2GraphQL.Client.AI</code> can expose it to AI agents.</td></tr>
+            <tr><td class="text-nowrap"><code>-sa</code>, <code>--standalone</code></td><td><code>false</code></td><td>Write a copy of the runtime into the output, so the client needs no <code>Linq2GraphQL.Client</code> package. See <a href="generator#standalone">standalone clients</a>.</td></tr>
             <tr><td class="text-nowrap"><code>-cf</code>, <code>--config</code></td><td><code>linq2graphql.json</code></td><td>A json settings file, see <a href="generator#configuration-file">below</a>.</td></tr>
             </tbody>
         </table>
@@ -86,6 +87,7 @@
             <tr><td><code>nullable</code></td><td>bool</td><td><code>false</code></td><td><code>-nu</code>, <code>--nullable</code></td></tr>
             <tr><td><code>deprecated</code></td><td>bool</td><td><code>false</code></td><td><code>-d</code>, <code>--deprecated</code></td></tr>
             <tr><td><code>agent</code></td><td>bool</td><td><code>false</code></td><td><code>-ag</code>, <code>--agent</code></td></tr>
+            <tr><td><code>standalone</code></td><td>bool</td><td><code>false</code></td><td><code>-sa</code>, <code>--standalone</code></td></tr>
             <tr><td><code>scalarMappings</code></td><td>object</td><td>none</td><td>no equivalent</td></tr>
             <tr><td><code>descriptionAttributes</code></td><td>bool</td><td><code>true</code></td><td>no equivalent</td></tr>
             </tbody>
@@ -153,6 +155,62 @@
     </p>
 </section>
 
+<section class="doc-section">
+    <h2 id="standalone">Standalone clients</h2>
+    <p>
+        A generated client normally references the <code>Linq2GraphQL.Client</code> package, and an app gets one
+        version of that package however many clients it uses. That is a problem when clients are built and
+        shipped as packages of their own, by different teams: an app that references two clients made with
+        different generator versions ends up with whichever runtime NuGet picks, which may not be the one either
+        client was generated against.
+    </p>
+    <p>
+        With <code>--standalone</code> the generator writes a copy of the runtime next to the client instead,
+        under the namespace <code>&lt;namespace&gt;.Runtime</code>. The client then depends on nothing from
+        Linq2GraphQL, so any number of standalone clients, of any generator version, can live in one app, next to
+        clients that use the package.
+    </p>
+    <CodeBlock Language="shell" Code="@Standalone"/>
+    <p>
+        The runtime lands in a <code>Runtime</code> folder in the output. <code>Runtime/Subscriptions</code> is
+        only written with <code>--subscriptions</code>, and <code>Runtime/AI</code>, a copy of the agent tools
+        from <code>Linq2GraphQL.Client.AI</code>, only with <code>--agent</code>. <code>Runtime/RuntimeInfo.cs</code> records the runtime
+        version the copy was taken from and the packages it needs, and the generator prints them as
+        <code>PackageReference</code> lines to add to the client's project, in place of
+        <code>Linq2GraphQL.Client</code>:
+    </p>
+    <CodeBlock Language="xml" Code="@StandalonePackages"/>
+    <p>
+        Code that uses the client does not change: <code>AddSpaceXClient()</code>, <code>Select</code> and
+        <code>ExecuteAsync</code> work as before. Runtime types you name yourself, such as
+        <code>GraphClientOptions</code> or <code>GraphQueryExecutionException</code>, come from
+        <code>SpaceX.Runtime</code> rather than <code>Linq2GraphQL.Client</code>. In agent mode,
+        <code>AsAgentTools</code> comes from <code>SpaceX.Runtime.AI</code>, so don't add the
+        <code>Linq2GraphQL.Client.AI</code> package either.
+    </p>
+    <p>Things to know before choosing it:</p>
+    <ul>
+        <li>
+            A runtime fix reaches a standalone client only when the client is regenerated with a newer generator.
+            That is the point (each client keeps the runtime it was tested with), but nothing updates it for you.
+        </li>
+        <li>
+            Don't edit the files in <code>Runtime</code>. The folder belongs to the generator and is deleted and
+            rewritten on every run, and turning standalone off removes it.
+        </li>
+        <li>
+            Each client has its own runtime types, so two standalone clients throw different
+            <code>GraphQueryExecutionException</code> types; catch each one in terms of its own client.
+        </li>
+        <li>
+            The packages the copy needs (<code>Microsoft.Extensions.*</code>, <code>Websocket.Client</code> and,
+            in agent mode, <code>GraphQL-Parser</code> and <code>Microsoft.Extensions.AI.Abstractions</code>) are
+            still ordinary NuGet references, so an app gets one version of each. They keep to semantic
+            versioning, so the highest one requested works for every client.
+        </li>
+    </ul>
+</section>
+
 @code {
     private const string Usage = """
         Linq2GraphQL [<endpoint>] [options]
@@ -178,6 +236,15 @@
         Linq2GraphQL --config linq2graphql.json -o=SomewhereElse
         """;
 
+    private const string Standalone = """
+        Linq2GraphQL https://spacex-production.up.railway.app/ -c=SpaceXClient -n=SpaceX -o=Generated --standalone
+        """;
+
+    private const string StandalonePackages = """
+        <PackageReference Include="Microsoft.Extensions.Caching.Memory" Version="10.0.11" />
+        <PackageReference Include="Microsoft.Extensions.Http" Version="10.0.11" />
+        """;
+
     private const string ConfigJson = """
         {
           "endpoint": "https://spacex-production.up.railway.app/",
diff --git a/scripts/regenerate-test-clients.ps1 b/scripts/regenerate-test-clients.ps1
index 14ca4728..068690e8 100644
--- a/scripts/regenerate-test-clients.ps1
+++ b/scripts/regenerate-test-clients.ps1
@@ -4,10 +4,11 @@
     Regenerates the checked-in test clients from the test servers' live schemas.
 
 .DESCRIPTION
-    test/Linq2GraphQL.TestClient and test/Linq2GraphQL.TestClientNullable hold
-    generated output that the test suite compiles against. Nothing in the normal
-    build refreshes it, so it silently drifts whenever a template or the test
-    schema changes.
+    test/Linq2GraphQL.TestClient, test/Linq2GraphQL.TestClientNullable and
+    test/Linq2GraphQL.TestClientStandalone (standalone mode, with its own copy of
+    the runtime) hold generated output that the test suites compile against.
+    Nothing in the normal build refreshes it, so it silently drifts whenever a
+    template, the runtime or the test schema changes.
 
     This script boots each test server over plain HTTP, runs the generator
     against it with the flags that produced the checked-in output, and writes
@@ -47,6 +48,15 @@ $clients = @(
         Port      = 5181
         Nullable  = $true
     }
+    @{
+        Name       = 'SampleClient'
+        Server     = 'test/Linq2GraphQL.TestServer'
+        Output     = 'test/Linq2GraphQL.TestClientStandalone/Generated'
+        Namespace  = 'Linq2GraphQL.TestClientStandalone'
+        Port       = 5182
+        Nullable   = $false
+        Standalone = $true
+    }
 )
 
 function Wait-ForServer([string]$url, [System.Diagnostics.Process]$process) {
@@ -99,6 +109,7 @@ try {
                 '--agent=true'
             )
             if ($client.Nullable) { $arguments += '-nu=true' }
+            if ($client.Standalone) { $arguments += '--standalone=true' }
 
             $sentinel = Join-Path $repoRoot "$($client.Output)/Client/$($client.Name).cs"
             $generatedAt = Get-Date
@@ -131,7 +142,10 @@ try {
     # so git status reports every regenerated file as modified even when its content is
     # unchanged. git diff applies the same normalization git would apply on checkin, so
     # it reports only real drift.
-    $diff = @(git diff --stat -- @paths)
+    #
+    # The standalone client's RuntimeInfo.cs records the generator version, which changes with every
+    # commit; -I ignores a change made only of lines matching that one.
+    $diff = @(git diff --stat -I '^\s*public const string Version = ' -- @paths)
 
     # git diff only compares tracked files, so a newly generated file needs its own check.
     $added = @(git ls-files --others --exclude-standard -- @paths)
diff --git a/src/Linq2GraphQL.Client/GraphClient.cs b/src/Linq2GraphQL.Client/GraphClient.cs
index d340f105..b97f06b0 100644
--- a/src/Linq2GraphQL.Client/GraphClient.cs
+++ b/src/Linq2GraphQL.Client/GraphClient.cs
@@ -186,7 +186,9 @@ public async Task<GraphQLSchema> GetSchemaForSafeModeAsync(CancellationToken can
             return null;
         }
 
-        var cacheKey = $"Linq2GraphQL_Schema:{HttpClient.BaseAddress}:{includeDeprecated}:{options.Value.SchemaCacheKey}";
+        // The schema type is part of the key: clients that carry their own copy of the runtime
+        // share the app's IMemoryCache but cannot read each other's GraphQLSchema.
+        var cacheKey = $"Linq2GraphQL_Schema:{typeof(GraphQLSchema).AssemblyQualifiedName}:{HttpClient.BaseAddress}:{includeDeprecated}:{options.Value.SchemaCacheKey}";
 
         return await cache.GetOrCreateAsync(cacheKey, async entry =>
         {
diff --git a/src/Linq2GraphQL.Generator/ClientGenerator.cs b/src/Linq2GraphQL.Generator/ClientGenerator.cs
index cb4eff5b..45cc8f85 100644
--- a/src/Linq2GraphQL.Generator/ClientGenerator.cs
+++ b/src/Linq2GraphQL.Generator/ClientGenerator.cs
@@ -19,7 +19,8 @@ public class ClientGenerator(
         bool includeDeprecated,
         IReadOnlyDictionary<string, (string Name, Type type)?> scalarMappings = null,
         bool descriptionAttributes = true,
-        bool agent = false)
+        bool agent = false,
+        bool standalone = false)
     {
         private static readonly Dictionary<string, (string Name, Type type)?> EmptyScalarMappings = new();
 
@@ -239,6 +240,17 @@ private List<FileEntry> Generate(RootSchema rootSchema)
             fileName = clientName + "Extensions" + ".cs";
             AddFile(clientDirName, fileName, clientExtensionsTemplateText);
 
+            if (standalone)
+            {
+                Console.WriteLine("Generate Runtime (standalone)...");
+                foreach (var entry in entries)
+                {
+                    entry.Content = StandaloneRuntime.RewriteNamespaces(entry.Content, namespaceName);
+                }
+
+                entries.AddRange(StandaloneRuntime.GetFiles(namespaceName, includeSubscriptions, agent));
+            }
+
             return entries;
         }
 
diff --git a/src/Linq2GraphQL.Generator/GeneratorConfig.cs b/src/Linq2GraphQL.Generator/GeneratorConfig.cs
index 6fb945c1..f04faead 100644
--- a/src/Linq2GraphQL.Generator/GeneratorConfig.cs
+++ b/src/Linq2GraphQL.Generator/GeneratorConfig.cs
@@ -56,6 +56,12 @@ public class GeneratorConfig
     /// </summary>
     public bool? Agent { get; set; }
 
+    /// <summary>
+    /// Standalone: write a copy of the runtime into the output instead of depending on the
+    /// Linq2GraphQL.Client packages.
+    /// </summary>
+    public bool? Standalone { get; set; }
+
     /// <summary>
     /// Emit <c>[Description]</c> attributes from schema descriptions. On by default; set to false to
     /// opt out. Settings file only, there is no command line flag for it.
diff --git a/src/Linq2GraphQL.Generator/Linq2GraphQL.Generator.csproj b/src/Linq2GraphQL.Generator/Linq2GraphQL.Generator.csproj
index 209307b2..82496202 100644
--- a/src/Linq2GraphQL.Generator/Linq2GraphQL.Generator.csproj
+++ b/src/Linq2GraphQL.Generator/Linq2GraphQL.Generator.csproj
@@ -71,4 +71,41 @@
         <ProjectReference Include="..\Linq2GraphQL.Client\Linq2GraphQL.Client.csproj"/>
     </ItemGroup>
 
+    <!--
+      Standalone mode writes a copy of the runtime next to the generated client. The
+      runtime source is embedded from the same commit as the templates, so the two always match.
+      Assembly.cs only holds InternalsVisibleTo for the package assemblies and is not copied. The
+      agent tools (Linq2GraphQL.Client.AI) are copied only for clients generated in agent mode.
+    -->
+    <ItemGroup>
+        <EmbeddedResource Include="..\Linq2GraphQL.Client\**\*.cs"
+                          Exclude="..\Linq2GraphQL.Client\bin\**;..\Linq2GraphQL.Client\obj\**;..\Linq2GraphQL.Client\Assembly.cs"
+                          LogicalName="Runtime/Client/%(RecursiveDir)%(Filename)%(Extension)"/>
+        <EmbeddedResource Include="..\Linq2GraphQL.Client.Subscriptions\**\*.cs"
+                          Exclude="..\Linq2GraphQL.Client.Subscriptions\bin\**;..\Linq2GraphQL.Client.Subscriptions\obj\**;..\Linq2GraphQL.Client.Subscriptions\Assembly.cs"
+                          LogicalName="Runtime/Subscriptions/%(RecursiveDir)%(Filename)%(Extension)"/>
+        <EmbeddedResource Include="..\Linq2GraphQL.Client.AI\**\*.cs"
+                          Exclude="..\Linq2GraphQL.Client.AI\bin\**;..\Linq2GraphQL.Client.AI\obj\**"
+                          LogicalName="Runtime/AI/%(RecursiveDir)%(Filename)%(Extension)"/>
+    </ItemGroup>
+
+    <!--
+      The package versions the runtime is built against (Directory.Packages.props), so standalone mode
+      can tell the user which packages the copied runtime needs.
+    -->
+    <Target Name="WritePackageVersions" BeforeTargets="BeforeCompile">
+        <PropertyGroup>
+            <PackageVersionsFile>$(IntermediateOutputPath)PackageVersions.g.cs</PackageVersionsFile>
+        </PropertyGroup>
+        <ItemGroup>
+            <_PackageVersionLine Include="@(PackageVersion->'        [&quot;%(Identity)&quot;] = &quot;%(Version)&quot;,')"/>
+        </ItemGroup>
+        <WriteLinesToFile File="$(PackageVersionsFile)" Overwrite="true" WriteOnlyWhenDifferent="true"
+                          Lines="namespace Linq2GraphQL.Generator%3B;internal static class PackageVersions;{;    public static readonly Dictionary&lt;string, string&gt; All = new();    {;@(_PackageVersionLine);    }%3B;}"/>
+        <ItemGroup>
+            <Compile Include="$(PackageVersionsFile)"/>
+            <FileWrites Include="$(PackageVersionsFile)"/>
+        </ItemGroup>
+    </Target>
+
 </Project>
diff --git a/src/Linq2GraphQL.Generator/Program.cs b/src/Linq2GraphQL.Generator/Program.cs
index e8dd1451..69950adc 100644
--- a/src/Linq2GraphQL.Generator/Program.cs
+++ b/src/Linq2GraphQL.Generator/Program.cs
@@ -28,6 +28,9 @@ private static async Task<int> Main(string[] args)
             "Schema file (SDL) to generate from instead of an endpoint, relative to current location");
         var agent = new Option<bool>(new[] { "--agent", "-ag" },
             "Agent mode: also emit the schema as SDL and implement IGraphSchemaSource on the client");
+        var standalone = new Option<bool>(new[] { "--standalone", "-sa" },
+            "Standalone: write a copy of the runtime into the output (namespace <namespace>.Runtime) instead of " +
+            "depending on the Linq2GraphQL.Client packages");
 
         var rootCommand = new RootCommand("Generate GraphQL client")
         {
@@ -42,7 +45,8 @@ private static async Task<int> Main(string[] args)
             nullable,
             includeDeprecated,
             schemaFile,
-            agent
+            agent,
+            standalone
         };
 
         rootCommand.SetHandler(async context =>
@@ -70,10 +74,11 @@ private static async Task<int> Main(string[] args)
 
                     var descriptionAttributesValue = config.DescriptionAttributes ?? true;
                     var agentValue = Resolve(result, agent, config.Agent, false);
+                    var standaloneValue = Resolve(result, standalone, config.Standalone, false);
 
                     await GenerateClientAsync(uriValue, schemaFileValue, outputFolderValue, namespaceValue, clientNameValue,
                         includeSubscriptionsValue, authTokenValue, enumStrategyValue, nullableValue, deprecatedValue,
-                        scalarMappings, descriptionAttributesValue, agentValue);
+                        scalarMappings, descriptionAttributesValue, agentValue, standaloneValue);
                 }
                 catch (GeneratorConfigurationException ex)
                 {
@@ -156,7 +161,8 @@ private static Uri ResolveEndpoint(ParseResult result, Argument<Uri> argument, s
 
     private static async Task GenerateClientAsync(Uri uri, string schemaFile, string outputFolder, string namespaceName, string name,
         bool includeSubscriptions, string authToken, string enumStrategy, bool nullable, bool includeDeprecated,
-        IReadOnlyDictionary<string, (string Name, Type type)?> scalarMappings, bool descriptionAttributes, bool agent)
+        IReadOnlyDictionary<string, (string Name, Type type)?> scalarMappings, bool descriptionAttributes, bool agent,
+        bool standalone)
     {
         var enumStrat = enumStrategy != null &&
                         enumStrategy.Equals("AddUnknownOption", StringComparison.InvariantCultureIgnoreCase)
@@ -164,7 +170,7 @@ private static async Task GenerateClientAsync(Uri uri, string schemaFile, string
             : EnumGeneratorStrategy.FailIfMissing;
 
         var generator = new ClientGenerator(namespaceName, name, includeSubscriptions, enumStrat, nullable,
-            includeDeprecated, scalarMappings, descriptionAttributes, agent);
+            includeDeprecated, scalarMappings, descriptionAttributes, agent, standalone);
         List<FileEntry> entries;
         if (schemaFile != null)
         {
@@ -184,6 +190,15 @@ private static async Task GenerateClientAsync(Uri uri, string schemaFile, string
 
         var outputPath = Path.GetFullPath(outputFolder, Environment.CurrentDirectory);
         Console.WriteLine($"Output path is set to: {outputPath}");
+
+        // A runtime copy from an earlier standalone run is the generator's own output: clear it, so files
+        // dropped from the runtime do not linger and turning standalone off does not leave a second runtime.
+        var runtimePath = Path.Combine(outputPath, StandaloneRuntime.DirectoryName);
+        if (File.Exists(Path.Combine(runtimePath, StandaloneRuntime.InfoFileName)))
+        {
+            Directory.Delete(runtimePath, true);
+        }
+
         foreach (var dirName in entries.GroupBy(e => e.DirectoryName))
         {
             var directory = Path.Combine(outputPath, dirName.Key);
@@ -195,5 +210,16 @@ private static async Task GenerateClientAsync(Uri uri, string schemaFile, string
                 await File.WriteAllTextAsync(filePath, entry.Content.ReplaceLineEndings("\n"));
             }
         }
+
+        if (standalone)
+        {
+            Console.WriteLine("");
+            Console.WriteLine($"Standalone: runtime {StandaloneRuntime.Version} written to {runtimePath}. " +
+                              "Don't reference the Linq2GraphQL.Client packages; the project needs:");
+            foreach (var (packageName, version) in StandaloneRuntime.GetPackages(includeSubscriptions, agent))
+            {
+                Console.WriteLine($"  <PackageReference Include=\"{packageName}\" Version=\"{version}\" />");
+            }
+        }
     }
 }
diff --git a/src/Linq2GraphQL.Generator/StandaloneRuntime.cs b/src/Linq2GraphQL.Generator/StandaloneRuntime.cs
new file mode 100644
index 00000000..21a8ca24
--- /dev/null
+++ b/src/Linq2GraphQL.Generator/StandaloneRuntime.cs
@@ -0,0 +1,151 @@
+using System.Reflection;
+using System.Text.RegularExpressions;
+
+namespace Linq2GraphQL.Generator;
+
+/// <summary>
+/// Standalone mode: instead of depending on the Linq2GraphQL.Client packages, the generated client carries
+/// its own copy of the runtime under <c>&lt;namespace&gt;.Runtime</c>. Clients generated by different
+/// generator versions can then be used in the same app, because each one brings the runtime it was
+/// generated against. The runtime source is embedded in the generator at build time.
+/// </summary>
+internal static class StandaloneRuntime
+{
+    /// <summary>
+    /// The output folder the runtime is written to. The generator owns it: it is cleared before every run,
+    /// so files removed from the runtime do not linger.
+    /// </summary>
+    public const string DirectoryName = "Runtime";
+
+    /// <summary>
+    /// Written into <see cref="DirectoryName"/> in standalone mode. Its presence is what marks a Runtime
+    /// folder as the generator's to clear.
+    /// </summary>
+    public const string InfoFileName = "RuntimeInfo.cs";
+
+    private const string ResourcePrefix = DirectoryName + "/";
+    private const string SubscriptionsPrefix = ResourcePrefix + "Subscriptions/";
+    private const string AgentPrefix = ResourcePrefix + "AI/";
+
+    private static readonly Regex RuntimeNamespace = new(@"\bLinq2GraphQL\.Client\b", RegexOptions.Compiled);
+
+    private static readonly string[] ClientPackages = ["Microsoft.Extensions.Caching.Memory", "Microsoft.Extensions.Http"];
+    private static readonly string[] SubscriptionsPackages = ["Websocket.Client"];
+    private static readonly string[] AgentPackages = ["GraphQL-Parser", "Microsoft.Extensions.AI.Abstractions"];
+
+    /// <summary>
+    /// The runtime project has ImplicitUsings enabled, the project the copy lands in might not.
+    /// </summary>
+    private static readonly string[] ImplicitUsings =
+    [
+        "System", "System.Collections.Generic", "System.IO", "System.Linq", "System.Net.Http", "System.Threading",
+        "System.Threading.Tasks"
+    ];
+
+    public static string Version { get; } =
+        typeof(StandaloneRuntime).Assembly.GetCustomAttribute<AssemblyInformationalVersionAttribute>()
+            ?.InformationalVersion.Split('+')[0] ?? "unknown";
+
+    public static string GetRuntimeNamespace(string namespaceName) => namespaceName + ".Runtime";
+
+    /// <summary>
+    /// Points every reference to the runtime packages' namespaces at the copy.
+    /// </summary>
+    public static string RewriteNamespaces(string content, string namespaceName) =>
+        RuntimeNamespace.Replace(content, GetRuntimeNamespace(namespaceName));
+
+    /// <summary>
+    /// The packages the copied runtime needs, with the versions it was built against.
+    /// </summary>
+    public static IReadOnlyList<(string Name, string Version)> GetPackages(bool includeSubscriptions, bool includeAgent) =>
+        ClientPackages
+        .Concat(includeSubscriptions ? SubscriptionsPackages : [])
+        .Concat(includeAgent ? AgentPackages : [])
+        .Select(e => (e, PackageVersions.All.GetValueOrDefault(e, "unknown")))
+        .ToList();
+
+    /// <summary>
+    /// The runtime files: Client always, Subscriptions with subscriptions, and the agent tools
+    /// (Linq2GraphQL.Client.AI) for a client generated in agent mode.
+    /// </summary>
+    public static IEnumerable<FileEntry> GetFiles(string namespaceName, bool includeSubscriptions, bool includeAgent)
+    {
+        var assembly = typeof(StandaloneRuntime).Assembly;
+
+        // RecursiveDir in the resource name uses the build machine's path separator.
+        var resources = assembly.GetManifestResourceNames()
+            .Select(e => (Resource: e, Path: e.Replace('\\', '/')))
+            .Where(e => e.Path.StartsWith(ResourcePrefix, StringComparison.Ordinal))
+            .Where(e => includeSubscriptions || !e.Path.StartsWith(SubscriptionsPrefix, StringComparison.Ordinal))
+            .Where(e => includeAgent || !e.Path.StartsWith(AgentPrefix, StringComparison.Ordinal))
+            .OrderBy(e => e.Path, StringComparer.Ordinal);
+
+        foreach (var (resource, path) in resources)
+        {
+            using var stream = assembly.GetManifestResourceStream(resource);
+            using var reader = new StreamReader(stream);
+            var source = reader.ReadToEnd().TrimStart('');
+
+            yield return new FileEntry
+            {
+                DirectoryName = Path.GetDirectoryName(path).Replace('\\', '/'),
+                FileName = Path.GetFileName(path),
+                Content = Header + MissingImplicitUsings(source) + RewriteNamespaces(source, namespaceName)
+            };
+        }
+
+        yield return new FileEntry
+        {
+            DirectoryName = DirectoryName, FileName = InfoFileName, Content = InfoFile(namespaceName, includeSubscriptions, includeAgent)
+        };
+    }
+
+    private const string Header = """
+        //---------------------------------------------------------------------
+        // <auto-generated/>
+        // Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+        // in standalone mode. Please don't edit this file - regenerate instead.
+        // The runtime version is in RuntimeInfo.cs.
+        // Github:https://github.com/linq2graphql/linq2graphql.client
+        //---------------------------------------------------------------------
+        #nullable disable
+
+        """;
+
+    private static string MissingImplicitUsings(string source)
+    {
+        var missing = ImplicitUsings
+            .Where(e => !Regex.IsMatch(source, $@"^\s*using {Regex.Escape(e)};", RegexOptions.Multiline))
+            .Select(e => $"using {e};\n");
+
+        return string.Concat(missing);
+    }
+
+    private static string InfoFile(string namespaceName, bool includeSubscriptions, bool includeAgent)
+    {
+        var packages = string.Join("\n", GetPackages(includeSubscriptions, includeAgent)
+            .Select(e => $"/// <item><description>{e.Name} {e.Version}</description></item>"));
+
+        return $$"""
+            //---------------------------------------------------------------------
+            // <auto-generated/>
+            // Written by the Linq2GraphQL generator in standalone mode.
+            // Please don't edit this file - regenerate instead.
+            //---------------------------------------------------------------------
+
+            namespace {{GetRuntimeNamespace(namespaceName)}};
+
+            /// <summary>
+            /// The Linq2GraphQL runtime this copy was taken from. It needs these packages:
+            /// <list type="bullet">
+            {{packages}}
+            /// </list>
+            /// </summary>
+            public static class RuntimeInfo
+            {
+                public const string Version = "{{Version}}";
+            }
+
+            """;
+    }
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Client/MutationMethods.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Client/MutationMethods.cs
new file mode 100644
index 00000000..cf2fd928
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Client/MutationMethods.cs
@@ -0,0 +1,60 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+/// <summary>
+/// Implementation of MutationMethods GraphQL operations
+/// </summary>
+public class MutationMethods : IMutationMethods
+{
+    private readonly GraphClient client;
+
+    /// <summary>
+    /// Initializes a new instance of the MutationMethods class
+    /// </summary>
+    /// <param name="client">The GraphQL client instance</param>
+    public MutationMethods(GraphClient client)
+    {
+        this.client = client ?? throw new ArgumentNullException(nameof(client));
+    }
+
+    /// <summary>
+    /// Executes setName GraphQL operation
+    /// </summary>
+    /// <param name="setName">The operation parameters</param>
+    /// <returns>GraphQL query result of type GraphQuery<string></returns>
+    public GraphQuery<string> SetName(string name = null)
+    {
+        var arguments = new List<ArgumentValue>
+        {
+            new("name", "String", name),
+        };
+
+        return new GraphQuery<string>(client, "setName", OperationType.Mutation, arguments);
+    }
+
+    /// <summary>
+    /// Executes addCustomer GraphQL operation
+    /// </summary>
+    /// <param name="addCustomer">The operation parameters</param>
+    /// <returns>GraphQL query result of type GraphQuery<Customer></returns>
+    public GraphQuery<Customer> AddCustomer(CustomerInput customer = null)
+    {
+        var arguments = new List<ArgumentValue>
+        {
+            new("customer", "CustomerInput", customer),
+        };
+
+        return new GraphQuery<Customer>(client, "addCustomer", OperationType.Mutation, arguments);
+    }
+
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Client/QueryMethods.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Client/QueryMethods.cs
new file mode 100644
index 00000000..b104c05f
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Client/QueryMethods.cs
@@ -0,0 +1,200 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+/// <summary>
+/// Implementation of QueryMethods GraphQL operations
+/// </summary>
+public class QueryMethods : IQueryMethods
+{
+    private readonly GraphClient client;
+
+    /// <summary>
+    /// Initializes a new instance of the QueryMethods class
+    /// </summary>
+    /// <param name="client">The GraphQL client instance</param>
+    public QueryMethods(GraphClient client)
+    {
+        this.client = client ?? throw new ArgumentNullException(nameof(client));
+    }
+
+    /// <summary>
+    /// Executes hello GraphQL operation
+    /// </summary>
+    /// <param name="hello">The operation parameters</param>
+    /// <returns>GraphQL query result of type GraphQuery<string></returns>
+    public GraphQuery<string> Hello(string name = null)
+    {
+        var arguments = new List<ArgumentValue>
+        {
+            new("name", "String", name),
+        };
+
+        return new GraphQuery<string>(client, "hello", OperationType.Query, arguments);
+    }
+
+    /// <summary>
+    /// Executes raiseError GraphQL operation
+    /// </summary>
+    /// <param name="raiseError">The operation parameters</param>
+    /// <returns>GraphQL query result of type GraphQuery<string></returns>
+    public GraphQuery<string> RaiseError(string message = null)
+    {
+        var arguments = new List<ArgumentValue>
+        {
+            new("message", "String", message),
+        };
+
+        return new GraphQuery<string>(client, "raiseError", OperationType.Query, arguments);
+    }
+
+    /// <summary>
+    /// Executes raiseAuthError GraphQL operation
+    /// </summary>
+    /// <param name="raiseAuthError">The operation parameters</param>
+    /// <returns>GraphQL query result of type GraphQuery<string></returns>
+    public GraphQuery<string> RaiseAuthError()
+    {
+        var arguments = new List<ArgumentValue>
+        {
+        };
+
+        return new GraphQuery<string>(client, "raiseAuthError", OperationType.Query, arguments);
+    }
+
+    /// <summary>
+    /// Executes customerReturnNull GraphQL operation
+    /// </summary>
+    /// <param name="customerReturnNull">The operation parameters</param>
+    /// <returns>GraphQL query result of type GraphQuery<Customer></returns>
+    public GraphQuery<Customer> CustomerReturnNull()
+    {
+        var arguments = new List<ArgumentValue>
+        {
+        };
+
+        return new GraphQuery<Customer>(client, "customerReturnNull", OperationType.Query, arguments);
+    }
+
+    /// <summary>
+    /// Executes customers GraphQL operation
+    /// </summary>
+    /// <param name="customers">The operation parameters</param>
+    /// <returns>GraphQL query result of type GraphQuery<List<Customer>></returns>
+    public GraphQuery<List<Customer>> Customers()
+    {
+        var arguments = new List<ArgumentValue>
+        {
+        };
+
+        return new GraphQuery<List<Customer>>(client, "customers", OperationType.Query, arguments);
+    }
+
+    /// <summary>
+    /// Executes ordersNoBackwardPagination GraphQL operation
+    /// </summary>
+    /// <param name="ordersNoBackwardPagination">The operation parameters</param>
+    /// <returns>GraphQL query result of type GraphQuery<OrdersNoBackwardPaginationConnection></returns>
+    public GraphQuery<OrdersNoBackwardPaginationConnection> OrdersNoBackwardPagination([global::System.ComponentModel.Description("Returns the first _n_ elements from the list.")] int? first = null, [global::System.ComponentModel.Description("Returns the elements in the list that come after the specified cursor.")] string after = null, OrderFilterInput where = null, List<OrderSortInput> order = null)
+    {
+        var arguments = new List<ArgumentValue>
+        {
+            new("first", "Int", first),
+            new("after", "String", after),
+            new("where", "OrderFilterInput", where),
+            new("order", "[OrderSortInput!]", order),
+        };
+
+        return new GraphQuery<OrdersNoBackwardPaginationConnection>(client, "ordersNoBackwardPagination", OperationType.Query, arguments);
+    }
+
+    /// <summary>
+    /// Executes ordersNoTotalCount GraphQL operation
+    /// </summary>
+    /// <param name="ordersNoTotalCount">The operation parameters</param>
+    /// <returns>GraphQL query result of type GraphCursorQuery<OrdersNoTotalCountConnection></returns>
+    public GraphCursorQuery<OrdersNoTotalCountConnection> OrdersNoTotalCount([global::System.ComponentModel.Description("Returns the first _n_ elements from the list.")] int? first = null, [global::System.ComponentModel.Description("Returns the elements in the list that come after the specified cursor.")] string after = null, [global::System.ComponentModel.Description("Returns the last _n_ elements from the list.")] int? last = null, [global::System.ComponentModel.Description("Returns the elements in the list that come before the specified cursor.")] string before = null, OrderFilterInput where = null, List<OrderSortInput> order = null)
+    {
+        var arguments = new List<ArgumentValue>
+        {
+            new("first", "Int", first),
+            new("after", "String", after),
+            new("last", "Int", last),
+            new("before", "String", before),
+            new("where", "OrderFilterInput", where),
+            new("order", "[OrderSortInput!]", order),
+        };
+
+        return new GraphCursorQuery<OrdersNoTotalCountConnection>(client, "ordersNoTotalCount", OperationType.Query, arguments);
+    }
+
+    /// <summary>
+    /// Executes orders GraphQL operation
+    /// </summary>
+    /// <param name="orders">The operation parameters</param>
+    /// <returns>GraphQL query result of type GraphCursorQuery<OrdersConnection></returns>
+    public GraphCursorQuery<OrdersConnection> Orders([global::System.ComponentModel.Description("Returns the first _n_ elements from the list.")] int? first = null, [global::System.ComponentModel.Description("Returns the elements in the list that come after the specified cursor.")] string after = null, [global::System.ComponentModel.Description("Returns the last _n_ elements from the list.")] int? last = null, [global::System.ComponentModel.Description("Returns the elements in the list that come before the specified cursor.")] string before = null, OrderFilterInput where = null, List<OrderSortInput> order = null)
+    {
+        var arguments = new List<ArgumentValue>
+        {
+            new("first", "Int", first),
+            new("after", "String", after),
+            new("last", "Int", last),
+            new("before", "String", before),
+            new("where", "OrderFilterInput", where),
+            new("order", "[OrderSortInput!]", order),
+        };
+
+        return new GraphCursorQuery<OrdersConnection>(client, "orders", OperationType.Query, arguments);
+    }
+
+    /// <summary>
+    /// Executes animals GraphQL operation
+    /// </summary>
+    /// <param name="animals">The operation parameters</param>
+    /// <returns>GraphQL query result of type GraphCursorQuery<AnimalsConnection></returns>
+    public GraphCursorQuery<AnimalsConnection> Animals([global::System.ComponentModel.Description("Returns the first _n_ elements from the list.")] int? first = null, [global::System.ComponentModel.Description("Returns the elements in the list that come after the specified cursor.")] string after = null, [global::System.ComponentModel.Description("Returns the last _n_ elements from the list.")] int? last = null, [global::System.ComponentModel.Description("Returns the elements in the list that come before the specified cursor.")] string before = null, IAnimalFilterInput where = null, List<IAnimalSortInput> order = null)
+    {
+        var arguments = new List<ArgumentValue>
+        {
+            new("first", "Int", first),
+            new("after", "String", after),
+            new("last", "Int", last),
+            new("before", "String", before),
+            new("where", "IAnimalFilterInput", where),
+            new("order", "[IAnimalSortInput!]", order),
+        };
+
+        return new GraphCursorQuery<AnimalsConnection>(client, "animals", OperationType.Query, arguments);
+    }
+
+    /// <summary>
+    /// Executes ordersOffsetPaging GraphQL operation
+    /// </summary>
+    /// <param name="ordersOffsetPaging">The operation parameters</param>
+    /// <returns>GraphQL query result of type GraphCursorQuery<OrdersOffsetPagingConnection></returns>
+    public GraphCursorQuery<OrdersOffsetPagingConnection> OrdersOffsetPaging([global::System.ComponentModel.Description("Returns the first _n_ elements from the list.")] int? first = null, [global::System.ComponentModel.Description("Returns the elements in the list that come after the specified cursor.")] string after = null, [global::System.ComponentModel.Description("Returns the last _n_ elements from the list.")] int? last = null, [global::System.ComponentModel.Description("Returns the elements in the list that come before the specified cursor.")] string before = null, OrderFilterInput where = null, List<OrderSortInput> order = null)
+    {
+        var arguments = new List<ArgumentValue>
+        {
+            new("first", "Int", first),
+            new("after", "String", after),
+            new("last", "Int", last),
+            new("before", "String", before),
+            new("where", "OrderFilterInput", where),
+            new("order", "[OrderSortInput!]", order),
+        };
+
+        return new GraphCursorQuery<OrdersOffsetPagingConnection>(client, "ordersOffsetPaging", OperationType.Query, arguments);
+    }
+
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Client/SampleClient.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Client/SampleClient.cs
new file mode 100644
index 00000000..b9d31a1c
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Client/SampleClient.cs
@@ -0,0 +1,101 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using Linq2GraphQL.TestClientStandalone.Runtime;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Options;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+/// <summary>
+/// GraphQL client for SampleClient operations
+/// </summary>
+/// <remarks>
+/// Provides strongly-typed access to GraphQL queries, mutations, and subscriptions.
+/// Supports dependency injection for better testability and flexibility.
+/// </remarks>
+public class SampleClient : ISampleClient, IGraphClientSource<SampleClient>, IGraphSchemaSource
+{
+    private readonly GraphClient client;
+
+    /// <summary>
+    /// Constructor with dependency injection support
+    /// </summary>
+    /// <param name="httpClient">HTTP client for GraphQL requests</param>
+    /// <param name="options">GraphQL client configuration options</param>
+    /// <param name="provider">Service provider for dependency resolution</param>
+    /// <param name="queryMethods">Optional query methods implementation (uses default if null)</param>
+    /// <param name="mutationMethods">Optional mutation methods implementation (uses default if null)</param>
+    /// <param name="subscriptionMethods">Optional subscription methods implementation (uses default if null)</param>
+    public SampleClient(
+        HttpClient httpClient, 
+        [FromKeyedServices("SampleClient")] IOptions<GraphClientOptions> options, 
+        IServiceProvider provider,
+        IQueryMethods queryMethods = null,
+        IMutationMethods mutationMethods = null,
+        ISubscriptionMethods subscriptionMethods = null)
+    {
+        client = new GraphClient(httpClient, options, provider, true);
+        Query = queryMethods ?? new QueryMethods(client);
+        Mutation = mutationMethods ?? new MutationMethods(client);
+        Subscription = subscriptionMethods ?? new SubscriptionMethods(client);
+    }
+
+    private SampleClient(GraphClient client)
+    {
+        this.client = client;
+        Query = new QueryMethods(client);
+        Mutation = new MutationMethods(client);
+        Subscription = new SubscriptionMethods(client);
+    }
+
+    /// <summary>
+    /// A client that shares this client's connection and settings, and also runs
+    /// <paramref name="configureRequest"/> on every request it sends. Use it for per-user or
+    /// per-conversation headers such as an access token. This client is not changed.
+    /// </summary>
+    /// <remarks>
+    /// The new client uses the generated operation implementations, not ones passed to the constructor.
+    /// </remarks>
+    public SampleClient WithRequestConfiguration(Func<HttpRequestMessage, CancellationToken, ValueTask> configureRequest)
+    {
+        return new SampleClient(client.WithRequestConfiguration(configureRequest));
+    }
+
+    /// <summary>
+    /// A client that sends <c>Authorization: Bearer &lt;token&gt;</c> on every request, asking
+    /// <paramref name="getAccessToken"/> for the token each time. This client is not changed.
+    /// </summary>
+    public SampleClient WithAccessToken(Func<CancellationToken, ValueTask<string>> getAccessToken)
+    {
+        return WithRequestConfiguration(RequestConfigurations.BearerToken(getAccessToken));
+    }
+
+    /// <summary>
+    /// The underlying client, for example to execute a query written as GraphQL text with
+    /// <see cref="Linq2GraphQL.TestClientStandalone.Runtime.GraphClient.ExecuteAsync"/>.
+    /// </summary>
+    public GraphClient GraphClient => client;
+
+    /// <summary>
+    /// The schema this client was generated from, as SDL.
+    /// </summary>
+    public static string Sdl => SampleClientSchema.Sdl;
+
+    /// <summary>
+    /// Gets the query methods for this GraphQL client
+    /// </summary>
+    public IQueryMethods Query { get; private set; }
+    /// <summary>
+    /// Gets the mutation methods for this GraphQL client
+    /// </summary>
+    public IMutationMethods Mutation { get; private set; }
+    /// <summary>
+    /// Gets the subscription methods for this GraphQL client
+    /// </summary>
+    public ISubscriptionMethods Subscription { get; private set; }
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Client/SampleClientExtensions.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Client/SampleClientExtensions.cs
new file mode 100644
index 00000000..7abc0ec5
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Client/SampleClientExtensions.cs
@@ -0,0 +1,40 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using Linq2GraphQL.TestClientStandalone.Runtime;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Options;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+public static class SampleClientExtensions 
+{
+    private const string ClientName = "SampleClient";
+        
+    public static IGraphClientBuilder<SampleClient> AddSampleClient(this IServiceCollection services)
+    {
+        var graphClientOptions = new GraphClientOptions();
+        return GraphClientBuilder(services, graphClientOptions);
+    }
+    
+    public static IGraphClientBuilder<SampleClient> AddSampleClient(this IServiceCollection services, Action<GraphClientOptions> opts)
+    {
+        var graphClientOptions = new GraphClientOptions();
+        opts(graphClientOptions);
+        
+        return GraphClientBuilder(services, graphClientOptions);
+    }
+
+    private static IGraphClientBuilder<SampleClient> GraphClientBuilder(IServiceCollection services,
+        GraphClientOptions graphClientOptions)
+    {
+        var opts = Options.Create(graphClientOptions);
+        services.AddKeyedSingleton(ClientName, opts);
+        services.AddMemoryCache();        
+        return new ClientBuilder<SampleClient>(ClientName, services);
+    }
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Client/SampleClientSchema.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Client/SampleClientSchema.cs
new file mode 100644
index 00000000..1dda5edb
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Client/SampleClientSchema.cs
@@ -0,0 +1,588 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+/// <summary>
+/// The schema SampleClient was generated from, as SDL.
+/// </summary>
+public static partial class SampleClientSchema
+{
+    public const string Sdl = """
+        type Query {
+          hello(name: String = "World"): String
+          raiseError(message: String = "Test error"): String
+          raiseAuthError: String
+          customerReturnNull: Customer
+          customers: [Customer]
+          ordersNoBackwardPagination(
+            "Returns the first _n_ elements from the list."
+            first: Int,
+            "Returns the elements in the list that come after the specified cursor."
+            after: String,
+            where: OrderFilterInput,
+            order: [OrderSortInput!]): OrdersNoBackwardPaginationConnection
+          ordersNoTotalCount(
+            "Returns the first _n_ elements from the list."
+            first: Int,
+            "Returns the elements in the list that come after the specified cursor."
+            after: String,
+            "Returns the last _n_ elements from the list."
+            last: Int,
+            "Returns the elements in the list that come before the specified cursor."
+            before: String,
+            where: OrderFilterInput,
+            order: [OrderSortInput!]): OrdersNoTotalCountConnection
+          orders(
+            "Returns the first _n_ elements from the list."
+            first: Int,
+            "Returns the elements in the list that come after the specified cursor."
+            after: String,
+            "Returns the last _n_ elements from the list."
+            last: Int,
+            "Returns the elements in the list that come before the specified cursor."
+            before: String,
+            where: OrderFilterInput,
+            order: [OrderSortInput!]): OrdersConnection
+          animals(
+            "Returns the first _n_ elements from the list."
+            first: Int,
+            "Returns the elements in the list that come after the specified cursor."
+            after: String,
+            "Returns the last _n_ elements from the list."
+            last: Int,
+            "Returns the elements in the list that come before the specified cursor."
+            before: String,
+            where: IAnimalFilterInput,
+            order: [IAnimalSortInput!]): AnimalsConnection
+          ordersOffsetPaging(
+            "Returns the first _n_ elements from the list."
+            first: Int,
+            "Returns the elements in the list that come after the specified cursor."
+            after: String,
+            "Returns the last _n_ elements from the list."
+            last: Int,
+            "Returns the elements in the list that come before the specified cursor."
+            before: String,
+            where: OrderFilterInput,
+            order: [OrderSortInput!]): OrdersOffsetPagingConnection
+        }
+
+        type Mutation {
+          setName(name: String): String
+          addCustomer(customer: CustomerInput): Customer
+        }
+
+        type Subscription {
+          customerAdded: Customer
+          customerNameAdded(name: String): Customer
+        }
+
+        type Pig implements IAnimal {
+          spices: String!
+          name: String!
+          numberOfLegs: Int!
+          speed: Int!
+        }
+
+        type Spider implements IAnimal {
+          poisonous: Boolean!
+          name: String!
+          numberOfLegs: Int!
+          speed: Int!
+        }
+
+        input OrderFilterInput {
+          and: [OrderFilterInput!]
+          or: [OrderFilterInput!]
+          orderId: UuidOperationFilterInput
+          customer: CustomerFilterInput
+          address: AddressFilterInput
+          orderDate: DateTimeOperationFilterInput
+          orderDateTime: DateTimeOperationFilterInput
+          orderDay: LocalDateOperationFilterInput
+          lines: ListFilterInputTypeOfOrderLineFilterInput
+          entryTime: LocalTimeOperationFilterInput
+          grade: StringOperationFilterInput @deprecated(reason: "This propery is obsolete and should not be used!")
+        }
+
+        input OrderSortInput {
+          orderId: SortEnumType
+          customer: CustomerSortInput
+          address: AddressSortInput
+          orderDate: SortEnumType
+          orderDateTime: SortEnumType
+          orderDay: SortEnumType
+          entryTime: SortEnumType
+          grade: SortEnumType @deprecated(reason: "This propery is obsolete and should not be used!")
+        }
+
+        input IAnimalFilterInput {
+          and: [IAnimalFilterInput!]
+          or: [IAnimalFilterInput!]
+          name: StringOperationFilterInput
+          numberOfLegs: IntOperationFilterInput
+        }
+
+        input IAnimalSortInput {
+          name: SortEnumType
+          numberOfLegs: SortEnumType
+        }
+
+        "A connection to a list of items."
+        type OrdersNoBackwardPaginationConnection {
+          "Information to aid in pagination."
+          pageInfo: PageInfo!
+          "A list of edges."
+          edges: [OrdersNoBackwardPaginationEdge!]
+          "A flattened list of the nodes."
+          nodes: [Order]
+          "Identifies the total count of items in the connection."
+          totalCount: Int!
+        }
+
+        "A connection to a list of items."
+        type OrdersNoTotalCountConnection {
+          "Information to aid in pagination."
+          pageInfo: PageInfo!
+          "A list of edges."
+          edges: [OrdersNoTotalCountEdge!]
+          "A flattened list of the nodes."
+          nodes: [Order]
+        }
+
+        "A connection to a list of items."
+        type OrdersConnection {
+          "Information to aid in pagination."
+          pageInfo: PageInfo!
+          "A list of edges."
+          edges: [OrdersEdge!]
+          "A flattened list of the nodes."
+          nodes: [Order]
+          "Identifies the total count of items in the connection."
+          totalCount: Int!
+        }
+
+        "A connection to a list of items."
+        type AnimalsConnection {
+          "Information to aid in pagination."
+          pageInfo: PageInfo!
+          "A list of edges."
+          edges: [AnimalsEdge!]
+          "A flattened list of the nodes."
+          nodes: [IAnimal]
+          "Identifies the total count of items in the connection."
+          totalCount: Int!
+        }
+
+        "A connection to a list of items."
+        type OrdersOffsetPagingConnection {
+          "Information to aid in pagination."
+          pageInfo: PageInfo!
+          "A list of edges."
+          edges: [OrdersOffsetPagingEdge!]
+          "A flattened list of the nodes."
+          nodes: [Order]
+        }
+
+        input UuidOperationFilterInput {
+          eq: UUID
+          neq: UUID
+          in: [UUID]
+          nin: [UUID]
+          gt: UUID
+          ngt: UUID
+          gte: UUID
+          ngte: UUID
+          lt: UUID
+          nlt: UUID
+          lte: UUID
+          nlte: UUID
+        }
+
+        input CustomerFilterInput {
+          and: [CustomerFilterInput!]
+          or: [CustomerFilterInput!]
+          customerId: UuidOperationFilterInput
+          customerName: StringOperationFilterInput
+          status: CustomerStatusOperationFilterInput
+          orders: ListFilterInputTypeOfOrderFilterInput
+          address: AddressFilterInput
+          created: DateTimeOperationFilterInput
+        }
+
+        input AddressFilterInput {
+          and: [AddressFilterInput!]
+          or: [AddressFilterInput!]
+          name: StringOperationFilterInput
+          street: StringOperationFilterInput
+          postalCode: StringOperationFilterInput
+          createdDate: LocalDateOperationFilterInput
+        }
+
+        input DateTimeOperationFilterInput {
+          eq: DateTime
+          neq: DateTime
+          in: [DateTime]
+          nin: [DateTime]
+          gt: DateTime
+          ngt: DateTime
+          gte: DateTime
+          ngte: DateTime
+          lt: DateTime
+          nlt: DateTime
+          lte: DateTime
+          nlte: DateTime
+        }
+
+        input LocalDateOperationFilterInput {
+          eq: LocalDate
+          neq: LocalDate
+          in: [LocalDate]
+          nin: [LocalDate]
+          gt: LocalDate
+          ngt: LocalDate
+          gte: LocalDate
+          ngte: LocalDate
+          lt: LocalDate
+          nlt: LocalDate
+          lte: LocalDate
+          nlte: LocalDate
+        }
+
+        input ListFilterInputTypeOfOrderLineFilterInput {
+          all: OrderLineFilterInput
+          none: OrderLineFilterInput
+          some: OrderLineFilterInput
+          any: Boolean
+        }
+
+        input LocalTimeOperationFilterInput {
+          eq: LocalTime
+          neq: LocalTime
+          in: [LocalTime]
+          nin: [LocalTime]
+          gt: LocalTime
+          ngt: LocalTime
+          gte: LocalTime
+          ngte: LocalTime
+          lt: LocalTime
+          nlt: LocalTime
+          lte: LocalTime
+          nlte: LocalTime
+        }
+
+        input StringOperationFilterInput {
+          and: [StringOperationFilterInput!]
+          or: [StringOperationFilterInput!]
+          eq: String
+          neq: String
+          contains: String
+          ncontains: String
+          in: [String]
+          nin: [String]
+          startsWith: String
+          nstartsWith: String
+          endsWith: String
+          nendsWith: String
+        }
+
+        enum SortEnumType {
+          ASC
+          DESC
+        }
+
+        input CustomerSortInput {
+          customerId: SortEnumType
+          customerName: SortEnumType
+          status: SortEnumType
+          address: AddressSortInput
+          created: SortEnumType
+        }
+
+        input AddressSortInput {
+          name: SortEnumType
+          street: SortEnumType
+          postalCode: SortEnumType
+          createdDate: SortEnumType
+        }
+
+        input IntOperationFilterInput {
+          eq: Int
+          neq: Int
+          in: [Int]
+          nin: [Int]
+          gt: Int
+          ngt: Int
+          gte: Int
+          ngte: Int
+          lt: Int
+          nlt: Int
+          lte: Int
+          nlte: Int
+        }
+
+        "Information about pagination in a connection."
+        type PageInfo {
+          "Indicates whether more edges exist following the set defined by the clients arguments."
+          hasNextPage: Boolean!
+          "Indicates whether more edges exist prior the set defined by the clients arguments."
+          hasPreviousPage: Boolean!
+          "When paginating backwards, the cursor to continue."
+          startCursor: String
+          "When paginating forwards, the cursor to continue."
+          endCursor: String
+        }
+
+        "An edge in a connection."
+        type OrdersNoBackwardPaginationEdge {
+          "A cursor for use in pagination."
+          cursor: String!
+          "The item at the end of the edge."
+          node: Order
+        }
+
+        "An edge in a connection."
+        type OrdersNoTotalCountEdge {
+          "A cursor for use in pagination."
+          cursor: String!
+          "The item at the end of the edge."
+          node: Order
+        }
+
+        "An edge in a connection."
+        type OrdersEdge {
+          "A cursor for use in pagination."
+          cursor: String!
+          "The item at the end of the edge."
+          node: Order
+        }
+
+        "An edge in a connection."
+        type AnimalsEdge {
+          "A cursor for use in pagination."
+          cursor: String!
+          "The item at the end of the edge."
+          node: IAnimal
+        }
+
+        "An edge in a connection."
+        type OrdersOffsetPagingEdge {
+          "A cursor for use in pagination."
+          cursor: String!
+          "The item at the end of the edge."
+          node: Order
+        }
+
+        "The `UUID` scalar type represents a Universally Unique Identifier (UUID) as defined by RFC 9562."
+        scalar UUID
+
+        input CustomerStatusOperationFilterInput {
+          eq: CustomerStatus
+          neq: CustomerStatus
+          in: [CustomerStatus!]
+          nin: [CustomerStatus!]
+        }
+
+        input ListFilterInputTypeOfOrderFilterInput {
+          all: OrderFilterInput
+          none: OrderFilterInput
+          some: OrderFilterInput
+          any: Boolean
+        }
+
+        "The `DateTime` scalar type represents a date and time with time zone offset information."
+        scalar DateTime
+
+        "The `LocalDate` scalar type represents a date without time or time zone information."
+        scalar LocalDate
+
+        input OrderLineFilterInput {
+          and: [OrderLineFilterInput!]
+          or: [OrderLineFilterInput!]
+          lineNumber: IntOperationFilterInput
+          order: OrderFilterInput
+          item: ItemFilterInput
+          price: DecimalOperationFilterInput
+          quantity: FloatOperationFilterInput
+        }
+
+        "The `LocalTime` scalar type represents a time of day without date or time zone information."
+        scalar LocalTime
+
+        input ItemFilterInput {
+          and: [ItemFilterInput!]
+          or: [ItemFilterInput!]
+          itemId: StringOperationFilterInput
+          itemName: StringOperationFilterInput
+          data: ListUnsignedByteOperationFilterInput
+        }
+
+        input DecimalOperationFilterInput {
+          eq: Decimal
+          neq: Decimal
+          in: [Decimal]
+          nin: [Decimal]
+          gt: Decimal
+          ngt: Decimal
+          gte: Decimal
+          ngte: Decimal
+          lt: Decimal
+          nlt: Decimal
+          lte: Decimal
+          nlte: Decimal
+        }
+
+        input FloatOperationFilterInput {
+          eq: Float
+          neq: Float
+          in: [Float]
+          nin: [Float]
+          gt: Float
+          ngt: Float
+          gte: Float
+          ngte: Float
+          lt: Float
+          nlt: Float
+          lte: Float
+          nlte: Float
+        }
+
+        input ListUnsignedByteOperationFilterInput {
+          all: UnsignedByteOperationFilterInput
+          none: UnsignedByteOperationFilterInput
+          some: UnsignedByteOperationFilterInput
+          any: Boolean
+        }
+
+        "The `Decimal` scalar type represents a decimal floating-point number with high precision."
+        scalar Decimal
+
+        input UnsignedByteOperationFilterInput {
+          eq: UnsignedByte
+          neq: UnsignedByte
+          in: [UnsignedByte]
+          nin: [UnsignedByte]
+          gt: UnsignedByte
+          ngt: UnsignedByte
+          gte: UnsignedByte
+          ngte: UnsignedByte
+          lt: UnsignedByte
+          nlt: UnsignedByte
+          lte: UnsignedByte
+          nlte: UnsignedByte
+        }
+
+        "The `UnsignedByte` scalar type represents an unsigned 8-bit integer."
+        scalar UnsignedByte
+
+        enum CustomerStatus {
+          ACTIVE
+          DISABLED
+          IN_TRANSIT @deprecated(reason: "No longer in use, please use enum value Active instead")
+        }
+
+        interface IAnimal {
+          name: String!
+          numberOfLegs: Int!
+        }
+
+        type Order {
+          myGradeMethod(name: String!): String @deprecated(reason: "This method should not be used anymore")
+          orderHello(name: String!, first: Int! = 0): String!
+          orderAddress(addressType: AddressType!): Address!
+          orderId: UUID!
+          customer: Customer!
+          address: Address
+          orderDate: DateTime!
+          orderDateTime: DateTime!
+          orderDay: LocalDate!
+          lines: [OrderLine!]!
+          entryTime: LocalTime
+          grade: String @deprecated(reason: "This propery is obsolete and should not be used!")
+        }
+
+        input CustomerInput {
+          customerId: UUID!
+          customerName: String!
+          status: CustomerStatus!
+          orders: [OrderInput!]!
+          address: AddressInput
+          created: DateTime
+        }
+
+        type Customer {
+          customerId: UUID!
+          customerName: String!
+          status: CustomerStatus!
+          orders: [Order!]!
+          address: Address
+          created: DateTime
+          relatedCustomers(relationType: Int!): [Customer]
+          relatedCustomer(relationType: Int!): Customer
+        }
+
+        input OrderInput {
+          orderId: UUID!
+          customer: CustomerInput!
+          address: AddressInput
+          orderDate: DateTime!
+          orderDateTime: DateTime!
+          orderDay: LocalDate!
+          lines: [OrderLineInput!]!
+          entryTime: LocalTime
+          grade: String @deprecated(reason: "This propery is obsolete and should not be used!")
+        }
+
+        type OrderLine {
+          lineNumber: Int!
+          order: Order!
+          item: Item
+          price: Decimal!
+          quantity: Float!
+        }
+
+        enum AddressType {
+          DELIVERY
+          INVOICE
+        }
+
+        type Address {
+          name: String!
+          street: String!
+          postalCode: String!
+          createdDate: LocalDate!
+        }
+
+        input AddressInput {
+          name: String!
+          street: String!
+          postalCode: String!
+          createdDate: LocalDate!
+        }
+
+        type Item {
+          itemId: String!
+          itemName: String!
+          data: [UnsignedByte!]
+        }
+
+        input OrderLineInput {
+          lineNumber: Int!
+          order: OrderInput!
+          item: ItemInput
+          price: Decimal!
+          quantity: Float!
+        }
+
+        input ItemInput {
+          itemId: String!
+          itemName: String!
+          data: [UnsignedByte!]
+        }
+        """;
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Client/SubscriptionMethods.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Client/SubscriptionMethods.cs
new file mode 100644
index 00000000..7d82b560
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Client/SubscriptionMethods.cs
@@ -0,0 +1,60 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+using Linq2GraphQL.TestClientStandalone.Runtime.Subscriptions;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+/// <summary>
+/// Implementation of SubscriptionMethods GraphQL operations
+/// </summary>
+public class SubscriptionMethods : ISubscriptionMethods
+{
+    private readonly GraphClient client;
+
+    /// <summary>
+    /// Initializes a new instance of the SubscriptionMethods class
+    /// </summary>
+    /// <param name="client">The GraphQL client instance</param>
+    public SubscriptionMethods(GraphClient client)
+    {
+        this.client = client ?? throw new ArgumentNullException(nameof(client));
+    }
+
+    /// <summary>
+    /// Executes customerAdded GraphQL operation
+    /// </summary>
+    /// <param name="customerAdded">The operation parameters</param>
+    /// <returns>GraphQL query result of type GraphSubscription<Customer></returns>
+    public GraphSubscription<Customer> CustomerAdded()
+    {
+        var arguments = new List<ArgumentValue>
+        {
+        };
+
+        return new GraphSubscription<Customer>(client, "customerAdded", OperationType.Subscription, arguments);
+    }
+
+    /// <summary>
+    /// Executes customerNameAdded GraphQL operation
+    /// </summary>
+    /// <param name="customerNameAdded">The operation parameters</param>
+    /// <returns>GraphQL query result of type GraphSubscription<Customer></returns>
+    public GraphSubscription<Customer> CustomerNameAdded(string name = null)
+    {
+        var arguments = new List<ArgumentValue>
+        {
+            new("name", "String", name),
+        };
+
+        return new GraphSubscription<Customer>(client, "customerNameAdded", OperationType.Subscription, arguments);
+    }
+
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Enums/AddressType.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Enums/AddressType.cs
new file mode 100644
index 00000000..32050e03
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Enums/AddressType.cs
@@ -0,0 +1,22 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using Linq2GraphQL.TestClientStandalone.Runtime;
+using System.ComponentModel;
+using System.Runtime.Serialization;
+using System.Text.Json.Serialization;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+[JsonConverter(typeof(JsonStringEnumMemberConverter))]
+public enum AddressType
+{
+    [EnumMember(Value = "DELIVERY")]
+    Delivery,
+    [EnumMember(Value = "INVOICE")]
+    Invoice,
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Enums/CustomerStatus.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Enums/CustomerStatus.cs
new file mode 100644
index 00000000..a4191df8
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Enums/CustomerStatus.cs
@@ -0,0 +1,25 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using Linq2GraphQL.TestClientStandalone.Runtime;
+using System.ComponentModel;
+using System.Runtime.Serialization;
+using System.Text.Json.Serialization;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+[JsonConverter(typeof(JsonStringEnumMemberConverter))]
+public enum CustomerStatus
+{
+    [EnumMember(Value = "ACTIVE")]
+    Active,
+    [EnumMember(Value = "DISABLED")]
+    Disabled,
+    [Obsolete("No longer in use, please use enum value Active instead")]
+    [EnumMember(Value = "IN_TRANSIT")]
+    InTransit,
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Enums/SortEnumType.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Enums/SortEnumType.cs
new file mode 100644
index 00000000..14f2ab61
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Enums/SortEnumType.cs
@@ -0,0 +1,22 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using Linq2GraphQL.TestClientStandalone.Runtime;
+using System.ComponentModel;
+using System.Runtime.Serialization;
+using System.Text.Json.Serialization;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+[JsonConverter(typeof(JsonStringEnumMemberConverter))]
+public enum SortEnumType
+{
+    [EnumMember(Value = "ASC")]
+    Asc,
+    [EnumMember(Value = "DESC")]
+    Desc,
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/AddressFilterInput.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/AddressFilterInput.cs
new file mode 100644
index 00000000..e3295203
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/AddressFilterInput.cs
@@ -0,0 +1,66 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+[JsonConverter(typeof(GraphInputConverter<AddressFilterInput>))]
+public partial class AddressFilterInput : GraphInputBase
+{
+	[GraphQLMember("and")]
+	[JsonPropertyName("and")]
+	public List<AddressFilterInput> And 
+	{
+		get => GetValue<List<AddressFilterInput>>("and");
+    	set => SetValue("and", value);
+	}
+
+	[GraphQLMember("or")]
+	[JsonPropertyName("or")]
+	public List<AddressFilterInput> Or 
+	{
+		get => GetValue<List<AddressFilterInput>>("or");
+    	set => SetValue("or", value);
+	}
+
+	[GraphQLMember("name")]
+	[JsonPropertyName("name")]
+	public StringOperationFilterInput Name 
+	{
+		get => GetValue<StringOperationFilterInput>("name");
+    	set => SetValue("name", value);
+	}
+
+	[GraphQLMember("street")]
+	[JsonPropertyName("street")]
+	public StringOperationFilterInput Street 
+	{
+		get => GetValue<StringOperationFilterInput>("street");
+    	set => SetValue("street", value);
+	}
+
+	[GraphQLMember("postalCode")]
+	[JsonPropertyName("postalCode")]
+	public StringOperationFilterInput PostalCode 
+	{
+		get => GetValue<StringOperationFilterInput>("postalCode");
+    	set => SetValue("postalCode", value);
+	}
+
+	[GraphQLMember("createdDate")]
+	[JsonPropertyName("createdDate")]
+	public LocalDateOperationFilterInput CreatedDate 
+	{
+		get => GetValue<LocalDateOperationFilterInput>("createdDate");
+    	set => SetValue("createdDate", value);
+	}
+
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/AddressInput.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/AddressInput.cs
new file mode 100644
index 00000000..80e63cb1
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/AddressInput.cs
@@ -0,0 +1,50 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+[JsonConverter(typeof(GraphInputConverter<AddressInput>))]
+public partial class AddressInput : GraphInputBase
+{
+	[GraphQLMember("name")]
+	[JsonPropertyName("name")]
+	public string Name 
+	{
+		get => GetValue<string>("name");
+    	set => SetValue("name", value);
+	}
+
+	[GraphQLMember("street")]
+	[JsonPropertyName("street")]
+	public string Street 
+	{
+		get => GetValue<string>("street");
+    	set => SetValue("street", value);
+	}
+
+	[GraphQLMember("postalCode")]
+	[JsonPropertyName("postalCode")]
+	public string PostalCode 
+	{
+		get => GetValue<string>("postalCode");
+    	set => SetValue("postalCode", value);
+	}
+
+	[GraphQLMember("createdDate")]
+	[JsonPropertyName("createdDate")]
+	public DateOnly CreatedDate 
+	{
+		get => GetValue<DateOnly>("createdDate");
+    	set => SetValue("createdDate", value);
+	}
+
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/AddressSortInput.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/AddressSortInput.cs
new file mode 100644
index 00000000..3fce4b68
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/AddressSortInput.cs
@@ -0,0 +1,50 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+[JsonConverter(typeof(GraphInputConverter<AddressSortInput>))]
+public partial class AddressSortInput : GraphInputBase
+{
+	[GraphQLMember("name")]
+	[JsonPropertyName("name")]
+	public SortEnumType? Name 
+	{
+		get => GetValue<SortEnumType?>("name");
+    	set => SetValue("name", value);
+	}
+
+	[GraphQLMember("street")]
+	[JsonPropertyName("street")]
+	public SortEnumType? Street 
+	{
+		get => GetValue<SortEnumType?>("street");
+    	set => SetValue("street", value);
+	}
+
+	[GraphQLMember("postalCode")]
+	[JsonPropertyName("postalCode")]
+	public SortEnumType? PostalCode 
+	{
+		get => GetValue<SortEnumType?>("postalCode");
+    	set => SetValue("postalCode", value);
+	}
+
+	[GraphQLMember("createdDate")]
+	[JsonPropertyName("createdDate")]
+	public SortEnumType? CreatedDate 
+	{
+		get => GetValue<SortEnumType?>("createdDate");
+    	set => SetValue("createdDate", value);
+	}
+
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/CustomerFilterInput.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/CustomerFilterInput.cs
new file mode 100644
index 00000000..d458f3a2
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/CustomerFilterInput.cs
@@ -0,0 +1,82 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+[JsonConverter(typeof(GraphInputConverter<CustomerFilterInput>))]
+public partial class CustomerFilterInput : GraphInputBase
+{
+	[GraphQLMember("and")]
+	[JsonPropertyName("and")]
+	public List<CustomerFilterInput> And 
+	{
+		get => GetValue<List<CustomerFilterInput>>("and");
+    	set => SetValue("and", value);
+	}
+
+	[GraphQLMember("or")]
+	[JsonPropertyName("or")]
+	public List<CustomerFilterInput> Or 
+	{
+		get => GetValue<List<CustomerFilterInput>>("or");
+    	set => SetValue("or", value);
+	}
+
+	[GraphQLMember("customerId")]
+	[JsonPropertyName("customerId")]
+	public UuidOperationFilterInput CustomerId 
+	{
+		get => GetValue<UuidOperationFilterInput>("customerId");
+    	set => SetValue("customerId", value);
+	}
+
+	[GraphQLMember("customerName")]
+	[JsonPropertyName("customerName")]
+	public StringOperationFilterInput CustomerName 
+	{
+		get => GetValue<StringOperationFilterInput>("customerName");
+    	set => SetValue("customerName", value);
+	}
+
+	[GraphQLMember("status")]
+	[JsonPropertyName("status")]
+	public CustomerStatusOperationFilterInput Status 
+	{
+		get => GetValue<CustomerStatusOperationFilterInput>("status");
+    	set => SetValue("status", value);
+	}
+
+	[GraphQLMember("orders")]
+	[JsonPropertyName("orders")]
+	public ListFilterInputTypeOfOrderFilterInput Orders 
+	{
+		get => GetValue<ListFilterInputTypeOfOrderFilterInput>("orders");
+    	set => SetValue("orders", value);
+	}
+
+	[GraphQLMember("address")]
+	[JsonPropertyName("address")]
+	public AddressFilterInput Address 
+	{
+		get => GetValue<AddressFilterInput>("address");
+    	set => SetValue("address", value);
+	}
+
+	[GraphQLMember("created")]
+	[JsonPropertyName("created")]
+	public DateTimeOperationFilterInput Created 
+	{
+		get => GetValue<DateTimeOperationFilterInput>("created");
+    	set => SetValue("created", value);
+	}
+
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/CustomerInput.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/CustomerInput.cs
new file mode 100644
index 00000000..9944ee4d
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/CustomerInput.cs
@@ -0,0 +1,66 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+[JsonConverter(typeof(GraphInputConverter<CustomerInput>))]
+public partial class CustomerInput : GraphInputBase
+{
+	[GraphQLMember("customerId")]
+	[JsonPropertyName("customerId")]
+	public Guid CustomerId 
+	{
+		get => GetValue<Guid>("customerId");
+    	set => SetValue("customerId", value);
+	}
+
+	[GraphQLMember("customerName")]
+	[JsonPropertyName("customerName")]
+	public string CustomerName 
+	{
+		get => GetValue<string>("customerName");
+    	set => SetValue("customerName", value);
+	}
+
+	[GraphQLMember("status")]
+	[JsonPropertyName("status")]
+	public CustomerStatus Status 
+	{
+		get => GetValue<CustomerStatus>("status");
+    	set => SetValue("status", value);
+	}
+
+	[GraphQLMember("orders")]
+	[JsonPropertyName("orders")]
+	public List<OrderInput> Orders 
+	{
+		get => GetValue<List<OrderInput>>("orders");
+    	set => SetValue("orders", value);
+	}
+
+	[GraphQLMember("address")]
+	[JsonPropertyName("address")]
+	public AddressInput Address 
+	{
+		get => GetValue<AddressInput>("address");
+    	set => SetValue("address", value);
+	}
+
+	[GraphQLMember("created")]
+	[JsonPropertyName("created")]
+	public DateTimeOffset? Created 
+	{
+		get => GetValue<DateTimeOffset?>("created");
+    	set => SetValue("created", value);
+	}
+
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/CustomerSortInput.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/CustomerSortInput.cs
new file mode 100644
index 00000000..15b56655
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/CustomerSortInput.cs
@@ -0,0 +1,58 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+[JsonConverter(typeof(GraphInputConverter<CustomerSortInput>))]
+public partial class CustomerSortInput : GraphInputBase
+{
+	[GraphQLMember("customerId")]
+	[JsonPropertyName("customerId")]
+	public SortEnumType? CustomerId 
+	{
+		get => GetValue<SortEnumType?>("customerId");
+    	set => SetValue("customerId", value);
+	}
+
+	[GraphQLMember("customerName")]
+	[JsonPropertyName("customerName")]
+	public SortEnumType? CustomerName 
+	{
+		get => GetValue<SortEnumType?>("customerName");
+    	set => SetValue("customerName", value);
+	}
+
+	[GraphQLMember("status")]
+	[JsonPropertyName("status")]
+	public SortEnumType? Status 
+	{
+		get => GetValue<SortEnumType?>("status");
+    	set => SetValue("status", value);
+	}
+
+	[GraphQLMember("address")]
+	[JsonPropertyName("address")]
+	public AddressSortInput Address 
+	{
+		get => GetValue<AddressSortInput>("address");
+    	set => SetValue("address", value);
+	}
+
+	[GraphQLMember("created")]
+	[JsonPropertyName("created")]
+	public SortEnumType? Created 
+	{
+		get => GetValue<SortEnumType?>("created");
+    	set => SetValue("created", value);
+	}
+
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/CustomerStatusOperationFilterInput.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/CustomerStatusOperationFilterInput.cs
new file mode 100644
index 00000000..2026611d
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/CustomerStatusOperationFilterInput.cs
@@ -0,0 +1,50 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+[JsonConverter(typeof(GraphInputConverter<CustomerStatusOperationFilterInput>))]
+public partial class CustomerStatusOperationFilterInput : GraphInputBase
+{
+	[GraphQLMember("eq")]
+	[JsonPropertyName("eq")]
+	public CustomerStatus? Eq 
+	{
+		get => GetValue<CustomerStatus?>("eq");
+    	set => SetValue("eq", value);
+	}
+
+	[GraphQLMember("neq")]
+	[JsonPropertyName("neq")]
+	public CustomerStatus? Neq 
+	{
+		get => GetValue<CustomerStatus?>("neq");
+    	set => SetValue("neq", value);
+	}
+
+	[GraphQLMember("in")]
+	[JsonPropertyName("in")]
+	public List<CustomerStatus> In 
+	{
+		get => GetValue<List<CustomerStatus>>("in");
+    	set => SetValue("in", value);
+	}
+
+	[GraphQLMember("nin")]
+	[JsonPropertyName("nin")]
+	public List<CustomerStatus> Nin 
+	{
+		get => GetValue<List<CustomerStatus>>("nin");
+    	set => SetValue("nin", value);
+	}
+
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/DateTimeOperationFilterInput.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/DateTimeOperationFilterInput.cs
new file mode 100644
index 00000000..08f755d4
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/DateTimeOperationFilterInput.cs
@@ -0,0 +1,114 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+[JsonConverter(typeof(GraphInputConverter<DateTimeOperationFilterInput>))]
+public partial class DateTimeOperationFilterInput : GraphInputBase
+{
+	[GraphQLMember("eq")]
+	[JsonPropertyName("eq")]
+	public DateTimeOffset? Eq 
+	{
+		get => GetValue<DateTimeOffset?>("eq");
+    	set => SetValue("eq", value);
+	}
+
+	[GraphQLMember("neq")]
+	[JsonPropertyName("neq")]
+	public DateTimeOffset? Neq 
+	{
+		get => GetValue<DateTimeOffset?>("neq");
+    	set => SetValue("neq", value);
+	}
+
+	[GraphQLMember("in")]
+	[JsonPropertyName("in")]
+	public List<DateTimeOffset?> In 
+	{
+		get => GetValue<List<DateTimeOffset?>>("in");
+    	set => SetValue("in", value);
+	}
+
+	[GraphQLMember("nin")]
+	[JsonPropertyName("nin")]
+	public List<DateTimeOffset?> Nin 
+	{
+		get => GetValue<List<DateTimeOffset?>>("nin");
+    	set => SetValue("nin", value);
+	}
+
+	[GraphQLMember("gt")]
+	[JsonPropertyName("gt")]
+	public DateTimeOffset? Gt 
+	{
+		get => GetValue<DateTimeOffset?>("gt");
+    	set => SetValue("gt", value);
+	}
+
+	[GraphQLMember("ngt")]
+	[JsonPropertyName("ngt")]
+	public DateTimeOffset? Ngt 
+	{
+		get => GetValue<DateTimeOffset?>("ngt");
+    	set => SetValue("ngt", value);
+	}
+
+	[GraphQLMember("gte")]
+	[JsonPropertyName("gte")]
+	public DateTimeOffset? Gte 
+	{
+		get => GetValue<DateTimeOffset?>("gte");
+    	set => SetValue("gte", value);
+	}
+
+	[GraphQLMember("ngte")]
+	[JsonPropertyName("ngte")]
+	public DateTimeOffset? Ngte 
+	{
+		get => GetValue<DateTimeOffset?>("ngte");
+    	set => SetValue("ngte", value);
+	}
+
+	[GraphQLMember("lt")]
+	[JsonPropertyName("lt")]
+	public DateTimeOffset? Lt 
+	{
+		get => GetValue<DateTimeOffset?>("lt");
+    	set => SetValue("lt", value);
+	}
+
+	[GraphQLMember("nlt")]
+	[JsonPropertyName("nlt")]
+	public DateTimeOffset? Nlt 
+	{
+		get => GetValue<DateTimeOffset?>("nlt");
+    	set => SetValue("nlt", value);
+	}
+
+	[GraphQLMember("lte")]
+	[JsonPropertyName("lte")]
+	public DateTimeOffset? Lte 
+	{
+		get => GetValue<DateTimeOffset?>("lte");
+    	set => SetValue("lte", value);
+	}
+
+	[GraphQLMember("nlte")]
+	[JsonPropertyName("nlte")]
+	public DateTimeOffset? Nlte 
+	{
+		get => GetValue<DateTimeOffset?>("nlte");
+    	set => SetValue("nlte", value);
+	}
+
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/DecimalOperationFilterInput.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/DecimalOperationFilterInput.cs
new file mode 100644
index 00000000..2fae901e
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/DecimalOperationFilterInput.cs
@@ -0,0 +1,114 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+[JsonConverter(typeof(GraphInputConverter<DecimalOperationFilterInput>))]
+public partial class DecimalOperationFilterInput : GraphInputBase
+{
+	[GraphQLMember("eq")]
+	[JsonPropertyName("eq")]
+	public decimal? Eq 
+	{
+		get => GetValue<decimal?>("eq");
+    	set => SetValue("eq", value);
+	}
+
+	[GraphQLMember("neq")]
+	[JsonPropertyName("neq")]
+	public decimal? Neq 
+	{
+		get => GetValue<decimal?>("neq");
+    	set => SetValue("neq", value);
+	}
+
+	[GraphQLMember("in")]
+	[JsonPropertyName("in")]
+	public List<decimal?> In 
+	{
+		get => GetValue<List<decimal?>>("in");
+    	set => SetValue("in", value);
+	}
+
+	[GraphQLMember("nin")]
+	[JsonPropertyName("nin")]
+	public List<decimal?> Nin 
+	{
+		get => GetValue<List<decimal?>>("nin");
+    	set => SetValue("nin", value);
+	}
+
+	[GraphQLMember("gt")]
+	[JsonPropertyName("gt")]
+	public decimal? Gt 
+	{
+		get => GetValue<decimal?>("gt");
+    	set => SetValue("gt", value);
+	}
+
+	[GraphQLMember("ngt")]
+	[JsonPropertyName("ngt")]
+	public decimal? Ngt 
+	{
+		get => GetValue<decimal?>("ngt");
+    	set => SetValue("ngt", value);
+	}
+
+	[GraphQLMember("gte")]
+	[JsonPropertyName("gte")]
+	public decimal? Gte 
+	{
+		get => GetValue<decimal?>("gte");
+    	set => SetValue("gte", value);
+	}
+
+	[GraphQLMember("ngte")]
+	[JsonPropertyName("ngte")]
+	public decimal? Ngte 
+	{
+		get => GetValue<decimal?>("ngte");
+    	set => SetValue("ngte", value);
+	}
+
+	[GraphQLMember("lt")]
+	[JsonPropertyName("lt")]
+	public decimal? Lt 
+	{
+		get => GetValue<decimal?>("lt");
+    	set => SetValue("lt", value);
+	}
+
+	[GraphQLMember("nlt")]
+	[JsonPropertyName("nlt")]
+	public decimal? Nlt 
+	{
+		get => GetValue<decimal?>("nlt");
+    	set => SetValue("nlt", value);
+	}
+
+	[GraphQLMember("lte")]
+	[JsonPropertyName("lte")]
+	public decimal? Lte 
+	{
+		get => GetValue<decimal?>("lte");
+    	set => SetValue("lte", value);
+	}
+
+	[GraphQLMember("nlte")]
+	[JsonPropertyName("nlte")]
+	public decimal? Nlte 
+	{
+		get => GetValue<decimal?>("nlte");
+    	set => SetValue("nlte", value);
+	}
+
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/FloatOperationFilterInput.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/FloatOperationFilterInput.cs
new file mode 100644
index 00000000..bce88ad2
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/FloatOperationFilterInput.cs
@@ -0,0 +1,114 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+[JsonConverter(typeof(GraphInputConverter<FloatOperationFilterInput>))]
+public partial class FloatOperationFilterInput : GraphInputBase
+{
+	[GraphQLMember("eq")]
+	[JsonPropertyName("eq")]
+	public double? Eq 
+	{
+		get => GetValue<double?>("eq");
+    	set => SetValue("eq", value);
+	}
+
+	[GraphQLMember("neq")]
+	[JsonPropertyName("neq")]
+	public double? Neq 
+	{
+		get => GetValue<double?>("neq");
+    	set => SetValue("neq", value);
+	}
+
+	[GraphQLMember("in")]
+	[JsonPropertyName("in")]
+	public List<double?> In 
+	{
+		get => GetValue<List<double?>>("in");
+    	set => SetValue("in", value);
+	}
+
+	[GraphQLMember("nin")]
+	[JsonPropertyName("nin")]
+	public List<double?> Nin 
+	{
+		get => GetValue<List<double?>>("nin");
+    	set => SetValue("nin", value);
+	}
+
+	[GraphQLMember("gt")]
+	[JsonPropertyName("gt")]
+	public double? Gt 
+	{
+		get => GetValue<double?>("gt");
+    	set => SetValue("gt", value);
+	}
+
+	[GraphQLMember("ngt")]
+	[JsonPropertyName("ngt")]
+	public double? Ngt 
+	{
+		get => GetValue<double?>("ngt");
+    	set => SetValue("ngt", value);
+	}
+
+	[GraphQLMember("gte")]
+	[JsonPropertyName("gte")]
+	public double? Gte 
+	{
+		get => GetValue<double?>("gte");
+    	set => SetValue("gte", value);
+	}
+
+	[GraphQLMember("ngte")]
+	[JsonPropertyName("ngte")]
+	public double? Ngte 
+	{
+		get => GetValue<double?>("ngte");
+    	set => SetValue("ngte", value);
+	}
+
+	[GraphQLMember("lt")]
+	[JsonPropertyName("lt")]
+	public double? Lt 
+	{
+		get => GetValue<double?>("lt");
+    	set => SetValue("lt", value);
+	}
+
+	[GraphQLMember("nlt")]
+	[JsonPropertyName("nlt")]
+	public double? Nlt 
+	{
+		get => GetValue<double?>("nlt");
+    	set => SetValue("nlt", value);
+	}
+
+	[GraphQLMember("lte")]
+	[JsonPropertyName("lte")]
+	public double? Lte 
+	{
+		get => GetValue<double?>("lte");
+    	set => SetValue("lte", value);
+	}
+
+	[GraphQLMember("nlte")]
+	[JsonPropertyName("nlte")]
+	public double? Nlte 
+	{
+		get => GetValue<double?>("nlte");
+    	set => SetValue("nlte", value);
+	}
+
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/IAnimalFilterInput.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/IAnimalFilterInput.cs
new file mode 100644
index 00000000..8227219d
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/IAnimalFilterInput.cs
@@ -0,0 +1,50 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+[JsonConverter(typeof(GraphInputConverter<IAnimalFilterInput>))]
+public partial class IAnimalFilterInput : GraphInputBase
+{
+	[GraphQLMember("and")]
+	[JsonPropertyName("and")]
+	public List<IAnimalFilterInput> And 
+	{
+		get => GetValue<List<IAnimalFilterInput>>("and");
+    	set => SetValue("and", value);
+	}
+
+	[GraphQLMember("or")]
+	[JsonPropertyName("or")]
+	public List<IAnimalFilterInput> Or 
+	{
+		get => GetValue<List<IAnimalFilterInput>>("or");
+    	set => SetValue("or", value);
+	}
+
+	[GraphQLMember("name")]
+	[JsonPropertyName("name")]
+	public StringOperationFilterInput Name 
+	{
+		get => GetValue<StringOperationFilterInput>("name");
+    	set => SetValue("name", value);
+	}
+
+	[GraphQLMember("numberOfLegs")]
+	[JsonPropertyName("numberOfLegs")]
+	public IntOperationFilterInput NumberOfLegs 
+	{
+		get => GetValue<IntOperationFilterInput>("numberOfLegs");
+    	set => SetValue("numberOfLegs", value);
+	}
+
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/IAnimalSortInput.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/IAnimalSortInput.cs
new file mode 100644
index 00000000..712fbd08
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/IAnimalSortInput.cs
@@ -0,0 +1,34 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+[JsonConverter(typeof(GraphInputConverter<IAnimalSortInput>))]
+public partial class IAnimalSortInput : GraphInputBase
+{
+	[GraphQLMember("name")]
+	[JsonPropertyName("name")]
+	public SortEnumType? Name 
+	{
+		get => GetValue<SortEnumType?>("name");
+    	set => SetValue("name", value);
+	}
+
+	[GraphQLMember("numberOfLegs")]
+	[JsonPropertyName("numberOfLegs")]
+	public SortEnumType? NumberOfLegs 
+	{
+		get => GetValue<SortEnumType?>("numberOfLegs");
+    	set => SetValue("numberOfLegs", value);
+	}
+
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/InputFactory.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/InputFactory.cs
new file mode 100644
index 00000000..aff3784b
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/InputFactory.cs
@@ -0,0 +1,1847 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+public static class IF 
+{ 
+	public static AddressFilterInput AddressFilter() 
+	{
+		return new AddressFilterInput();
+	}
+	public static AddressInput Address() 
+	{
+		return new AddressInput();
+	}
+	public static AddressSortInput AddressSort() 
+	{
+		return new AddressSortInput();
+	}
+	public static CustomerFilterInput CustomerFilter() 
+	{
+		return new CustomerFilterInput();
+	}
+	public static CustomerInput Customer() 
+	{
+		return new CustomerInput();
+	}
+	public static CustomerSortInput CustomerSort() 
+	{
+		return new CustomerSortInput();
+	}
+	public static CustomerStatusOperationFilterInput CustomerStatusOperationFilter() 
+	{
+		return new CustomerStatusOperationFilterInput();
+	}
+	public static DateTimeOperationFilterInput DateTimeOperationFilter() 
+	{
+		return new DateTimeOperationFilterInput();
+	}
+	public static DecimalOperationFilterInput DecimalOperationFilter() 
+	{
+		return new DecimalOperationFilterInput();
+	}
+	public static FloatOperationFilterInput FloatOperationFilter() 
+	{
+		return new FloatOperationFilterInput();
+	}
+	public static IAnimalFilterInput IAnimalFilter() 
+	{
+		return new IAnimalFilterInput();
+	}
+	public static IAnimalSortInput IAnimalSort() 
+	{
+		return new IAnimalSortInput();
+	}
+	public static IntOperationFilterInput IntOperationFilter() 
+	{
+		return new IntOperationFilterInput();
+	}
+	public static ItemFilterInput ItemFilter() 
+	{
+		return new ItemFilterInput();
+	}
+	public static ItemInput Item() 
+	{
+		return new ItemInput();
+	}
+	public static ListFilterInputTypeOfOrderFilterInput ListFilterInputTypeOfOrderFilter() 
+	{
+		return new ListFilterInputTypeOfOrderFilterInput();
+	}
+	public static ListFilterInputTypeOfOrderLineFilterInput ListFilterInputTypeOfOrderLineFilter() 
+	{
+		return new ListFilterInputTypeOfOrderLineFilterInput();
+	}
+	public static ListUnsignedByteOperationFilterInput ListUnsignedByteOperationFilter() 
+	{
+		return new ListUnsignedByteOperationFilterInput();
+	}
+	public static LocalDateOperationFilterInput LocalDateOperationFilter() 
+	{
+		return new LocalDateOperationFilterInput();
+	}
+	public static LocalTimeOperationFilterInput LocalTimeOperationFilter() 
+	{
+		return new LocalTimeOperationFilterInput();
+	}
+	public static OrderFilterInput OrderFilter() 
+	{
+		return new OrderFilterInput();
+	}
+	public static OrderInput Order() 
+	{
+		return new OrderInput();
+	}
+	public static OrderLineFilterInput OrderLineFilter() 
+	{
+		return new OrderLineFilterInput();
+	}
+	public static OrderLineInput OrderLine() 
+	{
+		return new OrderLineInput();
+	}
+	public static OrderSortInput OrderSort() 
+	{
+		return new OrderSortInput();
+	}
+	public static StringOperationFilterInput StringOperationFilter() 
+	{
+		return new StringOperationFilterInput();
+	}
+	public static UnsignedByteOperationFilterInput UnsignedByteOperationFilter() 
+	{
+		return new UnsignedByteOperationFilterInput();
+	}
+	public static UuidOperationFilterInput UuidOperationFilter() 
+	{
+		return new UuidOperationFilterInput();
+	}
+}
+
+
+
+public static class AddressFilterInputExtensions
+{ 
+	    public static AddressFilterInput And(this AddressFilterInput input, Action<List<AddressFilterInput>> mod)
+    {
+        var filter = new List<AddressFilterInput>();
+        mod ??= _ => { };
+        mod(filter); 
+        input.And = filter;
+        return input;
+    }
+
+    public static AddressFilterInput Or(this AddressFilterInput input, Action<List<AddressFilterInput>> mod)
+    {
+        var filter = new List<AddressFilterInput>();
+        mod ??= _ => { };
+        mod(filter); 
+        input.Or = filter;
+        return input;
+    }
+
+    public static AddressFilterInput Name(this AddressFilterInput input, Action<StringOperationFilterInput> mod)
+    {
+        var filter = new StringOperationFilterInput();
+        mod ??= _ => { };
+        mod(filter); 
+        input.Name = filter;
+        return input;
+    }
+
+    public static AddressFilterInput Street(this AddressFilterInput input, Action<StringOperationFilterInput> mod)
+    {
+        var filter = new StringOperationFilterInput();
+        mod ??= _ => { };
+        mod(filter); 
+        input.Street = filter;
+        return input;
+    }
+
+    public static AddressFilterInput PostalCode(this AddressFilterInput input, Action<StringOperationFilterInput> mod)
+    {
+        var filter = new StringOperationFilterInput();
+        mod ??= _ => { };
+        mod(filter); 
+        input.PostalCode = filter;
+        return input;
+    }
+
+    public static AddressFilterInput CreatedDate(this AddressFilterInput input, Action<LocalDateOperationFilterInput> mod)
+    {
+        var filter = new LocalDateOperationFilterInput();
+        mod ??= _ => { };
+        mod(filter); 
+        input.CreatedDate = filter;
+        return input;
+    }
+
+}
+
+public static class AddressInputExtensions
+{ 
+	
+    public static AddressInput Name(this AddressInput input, string val)
+    {
+         input.Name = val;
+         return input;
+    }
+
+
+    public static AddressInput Street(this AddressInput input, string val)
+    {
+         input.Street = val;
+         return input;
+    }
+
+
+    public static AddressInput PostalCode(this AddressInput input, string val)
+    {
+         input.PostalCode = val;
+         return input;
+    }
+
+
+    public static AddressInput CreatedDate(this AddressInput input, DateOnly val)
+    {
+         input.CreatedDate = val;
+         return input;
+    }
+
+}
+
+public static class AddressSortInputExtensions
+{ 
+	
+    public static AddressSortInput Name(this AddressSortInput input, SortEnumType? val)
+    {
+         input.Name = val;
+         return input;
+    }
+
+
+    public static AddressSortInput Street(this AddressSortInput input, SortEnumType? val)
+    {
+         input.Street = val;
+         return input;
+    }
+
+
+    public static AddressSortInput PostalCode(this AddressSortInput input, SortEnumType? val)
+    {
+         input.PostalCode = val;
+         return input;
+    }
+
+
+    public static AddressSortInput CreatedDate(this AddressSortInput input, SortEnumType? val)
+    {
+         input.CreatedDate = val;
+         return input;
+    }
+
+}
+
+public static class CustomerFilterInputExtensions
+{ 
+	    public static CustomerFilterInput And(this CustomerFilterInput input, Action<List<CustomerFilterInput>> mod)
+    {
+        var filter = new List<CustomerFilterInput>();
+        mod ??= _ => { };
+        mod(filter); 
+        input.And = filter;
+        return input;
+    }
+
+    public static CustomerFilterInput Or(this CustomerFilterInput input, Action<List<CustomerFilterInput>> mod)
+    {
+        var filter = new List<CustomerFilterInput>();
+        mod ??= _ => { };
+        mod(filter); 
+        input.Or = filter;
+        return input;
+    }
+
+    public static CustomerFilterInput CustomerId(this CustomerFilterInput input, Action<UuidOperationFilterInput> mod)
+    {
+        var filter = new UuidOperationFilterInput();
+        mod ??= _ => { };
+        mod(filter); 
+        input.CustomerId = filter;
+        return input;
+    }
+
+    public static CustomerFilterInput CustomerName(this CustomerFilterInput input, Action<StringOperationFilterInput> mod)
+    {
+        var filter = new StringOperationFilterInput();
+        mod ??= _ => { };
+        mod(filter); 
+        input.CustomerName = filter;
+        return input;
+    }
+
+    public static CustomerFilterInput Status(this CustomerFilterInput input, Action<CustomerStatusOperationFilterInput> mod)
+    {
+        var filter = new CustomerStatusOperationFilterInput();
+        mod ??= _ => { };
+        mod(filter); 
+        input.Status = filter;
+        return input;
+    }
+
+    public static CustomerFilterInput Orders(this CustomerFilterInput input, Action<ListFilterInputTypeOfOrderFilterInput> mod)
+    {
+        var filter = new ListFilterInputTypeOfOrderFilterInput();
+        mod ??= _ => { };
+        mod(filter); 
+        input.Orders = filter;
+        return input;
+    }
+
+    public static CustomerFilterInput Address(this CustomerFilterInput input, Action<AddressFilterInput> mod)
+    {
+        var filter = new AddressFilterInput();
+        mod ??= _ => { };
+        mod(filter); 
+        input.Address = filter;
+        return input;
+    }
+
+    public static CustomerFilterInput Created(this CustomerFilterInput input, Action<DateTimeOperationFilterInput> mod)
+    {
+        var filter = new DateTimeOperationFilterInput();
+        mod ??= _ => { };
+        mod(filter); 
+        input.Created = filter;
+        return input;
+    }
+
+}
+
+public static class CustomerInputExtensions
+{ 
+	
+    public static CustomerInput CustomerId(this CustomerInput input, Guid val)
+    {
+         input.CustomerId = val;
+         return input;
+    }
+
+
+    public static CustomerInput CustomerName(this CustomerInput input, string val)
+    {
+         input.CustomerName = val;
+         return input;
+    }
+
+
+    public static CustomerInput Status(this CustomerInput input, CustomerStatus val)
+    {
+         input.Status = val;
+         return input;
+    }
+
+    public static CustomerInput Orders(this CustomerInput input, Action<List<OrderInput>> mod)
+    {
+        var filter = new List<OrderInput>();
+        mod ??= _ => { };
+        mod(filter); 
+        input.Orders = filter;
+        return input;
+    }
+
+    public static CustomerInput Address(this CustomerInput input, Action<AddressInput> mod)
+    {
+        var filter = new AddressInput();
+        mod ??= _ => { };
+        mod(filter); 
+        input.Address = filter;
+        return input;
+    }
+
+
+    public static CustomerInput Created(this CustomerInput input, DateTimeOffset? val)
+    {
+         input.Created = val;
+         return input;
+    }
+
+}
+
+public static class CustomerSortInputExtensions
+{ 
+	
+    public static CustomerSortInput CustomerId(this CustomerSortInput input, SortEnumType? val)
+    {
+         input.CustomerId = val;
+         return input;
+    }
+
+
+    public static CustomerSortInput CustomerName(this CustomerSortInput input, SortEnumType? val)
+    {
+         input.CustomerName = val;
+         return input;
+    }
+
+
+    public static CustomerSortInput Status(this CustomerSortInput input, SortEnumType? val)
+    {
+         input.Status = val;
+         return input;
+    }
+
+    public static CustomerSortInput Address(this CustomerSortInput input, Action<AddressSortInput> mod)
+    {
+        var filter = new AddressSortInput();
+        mod ??= _ => { };
+        mod(filter); 
+        input.Address = filter;
+        return input;
+    }
+
+
+    public static CustomerSortInput Created(this CustomerSortInput input, SortEnumType? val)
+    {
+         input.Created = val;
+         return input;
+    }
+
+}
+
+public static class CustomerStatusOperationFilterInputExtensions
+{ 
+	
+    public static CustomerStatusOperationFilterInput Eq(this CustomerStatusOperationFilterInput input, CustomerStatus? val)
+    {
+         input.Eq = val;
+         return input;
+    }
+
+
+    public static CustomerStatusOperationFilterInput Neq(this CustomerStatusOperationFilterInput input, CustomerStatus? val)
+    {
+         input.Neq = val;
+         return input;
+    }
+
+
+    public static CustomerStatusOperationFilterInput In(this CustomerStatusOperationFilterInput input, List<CustomerStatus> val)
+    {
+         input.In = val;
+         return input;
+    }
+
+
+    public static CustomerStatusOperationFilterInput Nin(this CustomerStatusOperationFilterInput input, List<CustomerStatus> val)
+    {
+         input.Nin = val;
+         return input;
+    }
+
+}
+
+public static class DateTimeOperationFilterInputExtensions
+{ 
+	
+    public static DateTimeOperationFilterInput Eq(this DateTimeOperationFilterInput input, DateTimeOffset? val)
+    {
+         input.Eq = val;
+         return input;
+    }
+
+
+    public static DateTimeOperationFilterInput Neq(this DateTimeOperationFilterInput input, DateTimeOffset? val)
+    {
+         input.Neq = val;
+         return input;
+    }
+
+
+    public static DateTimeOperationFilterInput In(this DateTimeOperationFilterInput input, List<DateTimeOffset?> val)
+    {
+         input.In = val;
+         return input;
+    }
+
+
+    public static DateTimeOperationFilterInput Nin(this DateTimeOperationFilterInput input, List<DateTimeOffset?> val)
+    {
+         input.Nin = val;
+         return input;
+    }
+
+
+    public static DateTimeOperationFilterInput Gt(this DateTimeOperationFilterInput input, DateTimeOffset? val)
+    {
+         input.Gt = val;
+         return input;
+    }
+
+
+    public static DateTimeOperationFilterInput Ngt(this DateTimeOperationFilterInput input, DateTimeOffset? val)
+    {
+         input.Ngt = val;
+         return input;
+    }
+
+
+    public static DateTimeOperationFilterInput Gte(this DateTimeOperationFilterInput input, DateTimeOffset? val)
+    {
+         input.Gte = val;
+         return input;
+    }
+
+
+    public static DateTimeOperationFilterInput Ngte(this DateTimeOperationFilterInput input, DateTimeOffset? val)
+    {
+         input.Ngte = val;
+         return input;
+    }
+
+
+    public static DateTimeOperationFilterInput Lt(this DateTimeOperationFilterInput input, DateTimeOffset? val)
+    {
+         input.Lt = val;
+         return input;
+    }
+
+
+    public static DateTimeOperationFilterInput Nlt(this DateTimeOperationFilterInput input, DateTimeOffset? val)
+    {
+         input.Nlt = val;
+         return input;
+    }
+
+
+    public static DateTimeOperationFilterInput Lte(this DateTimeOperationFilterInput input, DateTimeOffset? val)
+    {
+         input.Lte = val;
+         return input;
+    }
+
+
+    public static DateTimeOperationFilterInput Nlte(this DateTimeOperationFilterInput input, DateTimeOffset? val)
+    {
+         input.Nlte = val;
+         return input;
+    }
+
+}
+
+public static class DecimalOperationFilterInputExtensions
+{ 
+	
+    public static DecimalOperationFilterInput Eq(this DecimalOperationFilterInput input, decimal? val)
+    {
+         input.Eq = val;
+         return input;
+    }
+
+
+    public static DecimalOperationFilterInput Neq(this DecimalOperationFilterInput input, decimal? val)
+    {
+         input.Neq = val;
+         return input;
+    }
+
+
+    public static DecimalOperationFilterInput In(this DecimalOperationFilterInput input, List<decimal?> val)
+    {
+         input.In = val;
+         return input;
+    }
+
+
+    public static DecimalOperationFilterInput Nin(this DecimalOperationFilterInput input, List<decimal?> val)
+    {
+         input.Nin = val;
+         return input;
+    }
+
+
+    public static DecimalOperationFilterInput Gt(this DecimalOperationFilterInput input, decimal? val)
+    {
+         input.Gt = val;
+         return input;
+    }
+
+
+    public static DecimalOperationFilterInput Ngt(this DecimalOperationFilterInput input, decimal? val)
+    {
+         input.Ngt = val;
+         return input;
+    }
+
+
+    public static DecimalOperationFilterInput Gte(this DecimalOperationFilterInput input, decimal? val)
+    {
+         input.Gte = val;
+         return input;
+    }
+
+
+    public static DecimalOperationFilterInput Ngte(this DecimalOperationFilterInput input, decimal? val)
+    {
+         input.Ngte = val;
+         return input;
+    }
+
+
+    public static DecimalOperationFilterInput Lt(this DecimalOperationFilterInput input, decimal? val)
+    {
+         input.Lt = val;
+         return input;
+    }
+
+
+    public static DecimalOperationFilterInput Nlt(this DecimalOperationFilterInput input, decimal? val)
+    {
+         input.Nlt = val;
+         return input;
+    }
+
+
+    public static DecimalOperationFilterInput Lte(this DecimalOperationFilterInput input, decimal? val)
+    {
+         input.Lte = val;
+         return input;
+    }
+
+
+    public static DecimalOperationFilterInput Nlte(this DecimalOperationFilterInput input, decimal? val)
+    {
+         input.Nlte = val;
+         return input;
+    }
+
+}
+
+public static class FloatOperationFilterInputExtensions
+{ 
+	
+    public static FloatOperationFilterInput Eq(this FloatOperationFilterInput input, double? val)
+    {
+         input.Eq = val;
+         return input;
+    }
+
+
+    public static FloatOperationFilterInput Neq(this FloatOperationFilterInput input, double? val)
+    {
+         input.Neq = val;
+         return input;
+    }
+
+
+    public static FloatOperationFilterInput In(this FloatOperationFilterInput input, List<double?> val)
+    {
+         input.In = val;
+         return input;
+    }
+
+
+    public static FloatOperationFilterInput Nin(this FloatOperationFilterInput input, List<double?> val)
+    {
+         input.Nin = val;
+         return input;
+    }
+
+
+    public static FloatOperationFilterInput Gt(this FloatOperationFilterInput input, double? val)
+    {
+         input.Gt = val;
+         return input;
+    }
+
+
+    public static FloatOperationFilterInput Ngt(this FloatOperationFilterInput input, double? val)
+    {
+         input.Ngt = val;
+         return input;
+    }
+
+
+    public static FloatOperationFilterInput Gte(this FloatOperationFilterInput input, double? val)
+    {
+         input.Gte = val;
+         return input;
+    }
+
+
+    public static FloatOperationFilterInput Ngte(this FloatOperationFilterInput input, double? val)
+    {
+         input.Ngte = val;
+         return input;
+    }
+
+
+    public static FloatOperationFilterInput Lt(this FloatOperationFilterInput input, double? val)
+    {
+         input.Lt = val;
+         return input;
+    }
+
+
+    public static FloatOperationFilterInput Nlt(this FloatOperationFilterInput input, double? val)
+    {
+         input.Nlt = val;
+         return input;
+    }
+
+
+    public static FloatOperationFilterInput Lte(this FloatOperationFilterInput input, double? val)
+    {
+         input.Lte = val;
+         return input;
+    }
+
+
+    public static FloatOperationFilterInput Nlte(this FloatOperationFilterInput input, double? val)
+    {
+         input.Nlte = val;
+         return input;
+    }
+
+}
+
+public static class IAnimalFilterInputExtensions
+{ 
+	    public static IAnimalFilterInput And(this IAnimalFilterInput input, Action<List<IAnimalFilterInput>> mod)
+    {
+        var filter = new List<IAnimalFilterInput>();
+        mod ??= _ => { };
+        mod(filter); 
+        input.And = filter;
+        return input;
+    }
+
+    public static IAnimalFilterInput Or(this IAnimalFilterInput input, Action<List<IAnimalFilterInput>> mod)
+    {
+        var filter = new List<IAnimalFilterInput>();
+        mod ??= _ => { };
+        mod(filter); 
+        input.Or = filter;
+        return input;
+    }
+
+    public static IAnimalFilterInput Name(this IAnimalFilterInput input, Action<StringOperationFilterInput> mod)
+    {
+        var filter = new StringOperationFilterInput();
+        mod ??= _ => { };
+        mod(filter); 
+        input.Name = filter;
+        return input;
+    }
+
+    public static IAnimalFilterInput NumberOfLegs(this IAnimalFilterInput input, Action<IntOperationFilterInput> mod)
+    {
+        var filter = new IntOperationFilterInput();
+        mod ??= _ => { };
+        mod(filter); 
+        input.NumberOfLegs = filter;
+        return input;
+    }
+
+}
+
+public static class IAnimalSortInputExtensions
+{ 
+	
+    public static IAnimalSortInput Name(this IAnimalSortInput input, SortEnumType? val)
+    {
+         input.Name = val;
+         return input;
+    }
+
+
+    public static IAnimalSortInput NumberOfLegs(this IAnimalSortInput input, SortEnumType? val)
+    {
+         input.NumberOfLegs = val;
+         return input;
+    }
+
+}
+
+public static class IntOperationFilterInputExtensions
+{ 
+	
+    public static IntOperationFilterInput Eq(this IntOperationFilterInput input, int? val)
+    {
+         input.Eq = val;
+         return input;
+    }
+
+
+    public static IntOperationFilterInput Neq(this IntOperationFilterInput input, int? val)
+    {
+         input.Neq = val;
+         return input;
+    }
+
+
+    public static IntOperationFilterInput In(this IntOperationFilterInput input, List<int?> val)
+    {
+         input.In = val;
+         return input;
+    }
+
+
+    public static IntOperationFilterInput Nin(this IntOperationFilterInput input, List<int?> val)
+    {
+         input.Nin = val;
+         return input;
+    }
+
+
+    public static IntOperationFilterInput Gt(this IntOperationFilterInput input, int? val)
+    {
+         input.Gt = val;
+         return input;
+    }
+
+
+    public static IntOperationFilterInput Ngt(this IntOperationFilterInput input, int? val)
+    {
+         input.Ngt = val;
+         return input;
+    }
+
+
+    public static IntOperationFilterInput Gte(this IntOperationFilterInput input, int? val)
+    {
+         input.Gte = val;
+         return input;
+    }
+
+
+    public static IntOperationFilterInput Ngte(this IntOperationFilterInput input, int? val)
+    {
+         input.Ngte = val;
+         return input;
+    }
+
+
+    public static IntOperationFilterInput Lt(this IntOperationFilterInput input, int? val)
+    {
+         input.Lt = val;
+         return input;
+    }
+
+
+    public static IntOperationFilterInput Nlt(this IntOperationFilterInput input, int? val)
+    {
+         input.Nlt = val;
+         return input;
+    }
+
+
+    public static IntOperationFilterInput Lte(this IntOperationFilterInput input, int? val)
+    {
+         input.Lte = val;
+         return input;
+    }
+
+
+    public static IntOperationFilterInput Nlte(this IntOperationFilterInput input, int? val)
+    {
+         input.Nlte = val;
+         return input;
+    }
+
+}
+
+public static class ItemFilterInputExtensions
+{ 
+	    public static ItemFilterInput And(this ItemFilterInput input, Action<List<ItemFilterInput>> mod)
+    {
+        var filter = new List<ItemFilterInput>();
+        mod ??= _ => { };
+        mod(filter); 
+        input.And = filter;
+        return input;
+    }
+
+    public static ItemFilterInput Or(this ItemFilterInput input, Action<List<ItemFilterInput>> mod)
+    {
+        var filter = new List<ItemFilterInput>();
+        mod ??= _ => { };
+        mod(filter); 
+        input.Or = filter;
+        return input;
+    }
+
+    public static ItemFilterInput ItemId(this ItemFilterInput input, Action<StringOperationFilterInput> mod)
+    {
+        var filter = new StringOperationFilterInput();
+        mod ??= _ => { };
+        mod(filter); 
+        input.ItemId = filter;
+        return input;
+    }
+
+    public static ItemFilterInput ItemName(this ItemFilterInput input, Action<StringOperationFilterInput> mod)
+    {
+        var filter = new StringOperationFilterInput();
+        mod ??= _ => { };
+        mod(filter); 
+        input.ItemName = filter;
+        return input;
+    }
+
+    public static ItemFilterInput Data(this ItemFilterInput input, Action<ListUnsignedByteOperationFilterInput> mod)
+    {
+        var filter = new ListUnsignedByteOperationFilterInput();
+        mod ??= _ => { };
+        mod(filter); 
+        input.Data = filter;
+        return input;
+    }
+
+}
+
+public static class ItemInputExtensions
+{ 
+	
+    public static ItemInput ItemId(this ItemInput input, string val)
+    {
+         input.ItemId = val;
+         return input;
+    }
+
+
+    public static ItemInput ItemName(this ItemInput input, string val)
+    {
+         input.ItemName = val;
+         return input;
+    }
+
+
+    public static ItemInput Data(this ItemInput input, List<byte> val)
+    {
+         input.Data = val;
+         return input;
+    }
+
+}
+
+public static class ListFilterInputTypeOfOrderFilterInputExtensions
+{ 
+	    public static ListFilterInputTypeOfOrderFilterInput All(this ListFilterInputTypeOfOrderFilterInput input, Action<OrderFilterInput> mod)
+    {
+        var filter = new OrderFilterInput();
+        mod ??= _ => { };
+        mod(filter); 
+        input.All = filter;
+        return input;
+    }
+
+    public static ListFilterInputTypeOfOrderFilterInput None(this ListFilterInputTypeOfOrderFilterInput input, Action<OrderFilterInput> mod)
+    {
+        var filter = new OrderFilterInput();
+        mod ??= _ => { };
+        mod(filter); 
+        input.None = filter;
+        return input;
+    }
+
+    public static ListFilterInputTypeOfOrderFilterInput Some(this ListFilterInputTypeOfOrderFilterInput input, Action<OrderFilterInput> mod)
+    {
+        var filter = new OrderFilterInput();
+        mod ??= _ => { };
+        mod(filter); 
+        input.Some = filter;
+        return input;
+    }
+
+
+    public static ListFilterInputTypeOfOrderFilterInput Any(this ListFilterInputTypeOfOrderFilterInput input, bool? val)
+    {
+         input.Any = val;
+         return input;
+    }
+
+}
+
+public static class ListFilterInputTypeOfOrderLineFilterInputExtensions
+{ 
+	    public static ListFilterInputTypeOfOrderLineFilterInput All(this ListFilterInputTypeOfOrderLineFilterInput input, Action<OrderLineFilterInput> mod)
+    {
+        var filter = new OrderLineFilterInput();
+        mod ??= _ => { };
+        mod(filter); 
+        input.All = filter;
+        return input;
+    }
+
+    public static ListFilterInputTypeOfOrderLineFilterInput None(this ListFilterInputTypeOfOrderLineFilterInput input, Action<OrderLineFilterInput> mod)
+    {
+        var filter = new OrderLineFilterInput();
+        mod ??= _ => { };
+        mod(filter); 
+        input.None = filter;
+        return input;
+    }
+
+    public static ListFilterInputTypeOfOrderLineFilterInput Some(this ListFilterInputTypeOfOrderLineFilterInput input, Action<OrderLineFilterInput> mod)
+    {
+        var filter = new OrderLineFilterInput();
+        mod ??= _ => { };
+        mod(filter); 
+        input.Some = filter;
+        return input;
+    }
+
+
+    public static ListFilterInputTypeOfOrderLineFilterInput Any(this ListFilterInputTypeOfOrderLineFilterInput input, bool? val)
+    {
+         input.Any = val;
+         return input;
+    }
+
+}
+
+public static class ListUnsignedByteOperationFilterInputExtensions
+{ 
+	    public static ListUnsignedByteOperationFilterInput All(this ListUnsignedByteOperationFilterInput input, Action<UnsignedByteOperationFilterInput> mod)
+    {
+        var filter = new UnsignedByteOperationFilterInput();
+        mod ??= _ => { };
+        mod(filter); 
+        input.All = filter;
+        return input;
+    }
+
+    public static ListUnsignedByteOperationFilterInput None(this ListUnsignedByteOperationFilterInput input, Action<UnsignedByteOperationFilterInput> mod)
+    {
+        var filter = new UnsignedByteOperationFilterInput();
+        mod ??= _ => { };
+        mod(filter); 
+        input.None = filter;
+        return input;
+    }
+
+    public static ListUnsignedByteOperationFilterInput Some(this ListUnsignedByteOperationFilterInput input, Action<UnsignedByteOperationFilterInput> mod)
+    {
+        var filter = new UnsignedByteOperationFilterInput();
+        mod ??= _ => { };
+        mod(filter); 
+        input.Some = filter;
+        return input;
+    }
+
+
+    public static ListUnsignedByteOperationFilterInput Any(this ListUnsignedByteOperationFilterInput input, bool? val)
+    {
+         input.Any = val;
+         return input;
+    }
+
+}
+
+public static class LocalDateOperationFilterInputExtensions
+{ 
+	
+    public static LocalDateOperationFilterInput Eq(this LocalDateOperationFilterInput input, DateOnly? val)
+    {
+         input.Eq = val;
+         return input;
+    }
+
+
+    public static LocalDateOperationFilterInput Neq(this LocalDateOperationFilterInput input, DateOnly? val)
+    {
+         input.Neq = val;
+         return input;
+    }
+
+
+    public static LocalDateOperationFilterInput In(this LocalDateOperationFilterInput input, List<DateOnly?> val)
+    {
+         input.In = val;
+         return input;
+    }
+
+
+    public static LocalDateOperationFilterInput Nin(this LocalDateOperationFilterInput input, List<DateOnly?> val)
+    {
+         input.Nin = val;
+         return input;
+    }
+
+
+    public static LocalDateOperationFilterInput Gt(this LocalDateOperationFilterInput input, DateOnly? val)
+    {
+         input.Gt = val;
+         return input;
+    }
+
+
+    public static LocalDateOperationFilterInput Ngt(this LocalDateOperationFilterInput input, DateOnly? val)
+    {
+         input.Ngt = val;
+         return input;
+    }
+
+
+    public static LocalDateOperationFilterInput Gte(this LocalDateOperationFilterInput input, DateOnly? val)
+    {
+         input.Gte = val;
+         return input;
+    }
+
+
+    public static LocalDateOperationFilterInput Ngte(this LocalDateOperationFilterInput input, DateOnly? val)
+    {
+         input.Ngte = val;
+         return input;
+    }
+
+
+    public static LocalDateOperationFilterInput Lt(this LocalDateOperationFilterInput input, DateOnly? val)
+    {
+         input.Lt = val;
+         return input;
+    }
+
+
+    public static LocalDateOperationFilterInput Nlt(this LocalDateOperationFilterInput input, DateOnly? val)
+    {
+         input.Nlt = val;
+         return input;
+    }
+
+
+    public static LocalDateOperationFilterInput Lte(this LocalDateOperationFilterInput input, DateOnly? val)
+    {
+         input.Lte = val;
+         return input;
+    }
+
+
+    public static LocalDateOperationFilterInput Nlte(this LocalDateOperationFilterInput input, DateOnly? val)
+    {
+         input.Nlte = val;
+         return input;
+    }
+
+}
+
+public static class LocalTimeOperationFilterInputExtensions
+{ 
+	
+    public static LocalTimeOperationFilterInput Eq(this LocalTimeOperationFilterInput input, TimeOnly? val)
+    {
+         input.Eq = val;
+         return input;
+    }
+
+
+    public static LocalTimeOperationFilterInput Neq(this LocalTimeOperationFilterInput input, TimeOnly? val)
+    {
+         input.Neq = val;
+         return input;
+    }
+
+
+    public static LocalTimeOperationFilterInput In(this LocalTimeOperationFilterInput input, List<TimeOnly?> val)
+    {
+         input.In = val;
+         return input;
+    }
+
+
+    public static LocalTimeOperationFilterInput Nin(this LocalTimeOperationFilterInput input, List<TimeOnly?> val)
+    {
+         input.Nin = val;
+         return input;
+    }
+
+
+    public static LocalTimeOperationFilterInput Gt(this LocalTimeOperationFilterInput input, TimeOnly? val)
+    {
+         input.Gt = val;
+         return input;
+    }
+
+
+    public static LocalTimeOperationFilterInput Ngt(this LocalTimeOperationFilterInput input, TimeOnly? val)
+    {
+         input.Ngt = val;
+         return input;
+    }
+
+
+    public static LocalTimeOperationFilterInput Gte(this LocalTimeOperationFilterInput input, TimeOnly? val)
+    {
+         input.Gte = val;
+         return input;
+    }
+
+
+    public static LocalTimeOperationFilterInput Ngte(this LocalTimeOperationFilterInput input, TimeOnly? val)
+    {
+         input.Ngte = val;
+         return input;
+    }
+
+
+    public static LocalTimeOperationFilterInput Lt(this LocalTimeOperationFilterInput input, TimeOnly? val)
+    {
+         input.Lt = val;
+         return input;
+    }
+
+
+    public static LocalTimeOperationFilterInput Nlt(this LocalTimeOperationFilterInput input, TimeOnly? val)
+    {
+         input.Nlt = val;
+         return input;
+    }
+
+
+    public static LocalTimeOperationFilterInput Lte(this LocalTimeOperationFilterInput input, TimeOnly? val)
+    {
+         input.Lte = val;
+         return input;
+    }
+
+
+    public static LocalTimeOperationFilterInput Nlte(this LocalTimeOperationFilterInput input, TimeOnly? val)
+    {
+         input.Nlte = val;
+         return input;
+    }
+
+}
+
+public static class OrderFilterInputExtensions
+{ 
+	    public static OrderFilterInput And(this OrderFilterInput input, Action<List<OrderFilterInput>> mod)
+    {
+        var filter = new List<OrderFilterInput>();
+        mod ??= _ => { };
+        mod(filter); 
+        input.And = filter;
+        return input;
+    }
+
+    public static OrderFilterInput Or(this OrderFilterInput input, Action<List<OrderFilterInput>> mod)
+    {
+        var filter = new List<OrderFilterInput>();
+        mod ??= _ => { };
+        mod(filter); 
+        input.Or = filter;
+        return input;
+    }
+
+    public static OrderFilterInput OrderId(this OrderFilterInput input, Action<UuidOperationFilterInput> mod)
+    {
+        var filter = new UuidOperationFilterInput();
+        mod ??= _ => { };
+        mod(filter); 
+        input.OrderId = filter;
+        return input;
+    }
+
+    public static OrderFilterInput Customer(this OrderFilterInput input, Action<CustomerFilterInput> mod)
+    {
+        var filter = new CustomerFilterInput();
+        mod ??= _ => { };
+        mod(filter); 
+        input.Customer = filter;
+        return input;
+    }
+
+    public static OrderFilterInput Address(this OrderFilterInput input, Action<AddressFilterInput> mod)
+    {
+        var filter = new AddressFilterInput();
+        mod ??= _ => { };
+        mod(filter); 
+        input.Address = filter;
+        return input;
+    }
+
+    public static OrderFilterInput OrderDate(this OrderFilterInput input, Action<DateTimeOperationFilterInput> mod)
+    {
+        var filter = new DateTimeOperationFilterInput();
+        mod ??= _ => { };
+        mod(filter); 
+        input.OrderDate = filter;
+        return input;
+    }
+
+    public static OrderFilterInput OrderDateTime(this OrderFilterInput input, Action<DateTimeOperationFilterInput> mod)
+    {
+        var filter = new DateTimeOperationFilterInput();
+        mod ??= _ => { };
+        mod(filter); 
+        input.OrderDateTime = filter;
+        return input;
+    }
+
+    public static OrderFilterInput OrderDay(this OrderFilterInput input, Action<LocalDateOperationFilterInput> mod)
+    {
+        var filter = new LocalDateOperationFilterInput();
+        mod ??= _ => { };
+        mod(filter); 
+        input.OrderDay = filter;
+        return input;
+    }
+
+    public static OrderFilterInput Lines(this OrderFilterInput input, Action<ListFilterInputTypeOfOrderLineFilterInput> mod)
+    {
+        var filter = new ListFilterInputTypeOfOrderLineFilterInput();
+        mod ??= _ => { };
+        mod(filter); 
+        input.Lines = filter;
+        return input;
+    }
+
+    public static OrderFilterInput EntryTime(this OrderFilterInput input, Action<LocalTimeOperationFilterInput> mod)
+    {
+        var filter = new LocalTimeOperationFilterInput();
+        mod ??= _ => { };
+        mod(filter); 
+        input.EntryTime = filter;
+        return input;
+    }
+
+    [Obsolete("This propery is obsolete and should not be used!")]
+    public static OrderFilterInput Grade(this OrderFilterInput input, Action<StringOperationFilterInput> mod)
+    {
+        var filter = new StringOperationFilterInput();
+        mod ??= _ => { };
+        mod(filter); 
+        input.Grade = filter;
+        return input;
+    }
+
+}
+
+public static class OrderInputExtensions
+{ 
+	
+    public static OrderInput OrderId(this OrderInput input, Guid val)
+    {
+         input.OrderId = val;
+         return input;
+    }
+
+    public static OrderInput Customer(this OrderInput input, Action<CustomerInput> mod)
+    {
+        var filter = new CustomerInput();
+        mod ??= _ => { };
+        mod(filter); 
+        input.Customer = filter;
+        return input;
+    }
+
+    public static OrderInput Address(this OrderInput input, Action<AddressInput> mod)
+    {
+        var filter = new AddressInput();
+        mod ??= _ => { };
+        mod(filter); 
+        input.Address = filter;
+        return input;
+    }
+
+
+    public static OrderInput OrderDate(this OrderInput input, DateTimeOffset val)
+    {
+         input.OrderDate = val;
+         return input;
+    }
+
+
+    public static OrderInput OrderDateTime(this OrderInput input, DateTimeOffset val)
+    {
+         input.OrderDateTime = val;
+         return input;
+    }
+
+
+    public static OrderInput OrderDay(this OrderInput input, DateOnly val)
+    {
+         input.OrderDay = val;
+         return input;
+    }
+
+    public static OrderInput Lines(this OrderInput input, Action<List<OrderLineInput>> mod)
+    {
+        var filter = new List<OrderLineInput>();
+        mod ??= _ => { };
+        mod(filter); 
+        input.Lines = filter;
+        return input;
+    }
+
+
+    public static OrderInput EntryTime(this OrderInput input, TimeOnly? val)
+    {
+         input.EntryTime = val;
+         return input;
+    }
+
+
+    [Obsolete("This propery is obsolete and should not be used!")]
+    public static OrderInput Grade(this OrderInput input, string val)
+    {
+         input.Grade = val;
+         return input;
+    }
+
+}
+
+public static class OrderLineFilterInputExtensions
+{ 
+	    public static OrderLineFilterInput And(this OrderLineFilterInput input, Action<List<OrderLineFilterInput>> mod)
+    {
+        var filter = new List<OrderLineFilterInput>();
+        mod ??= _ => { };
+        mod(filter); 
+        input.And = filter;
+        return input;
+    }
+
+    public static OrderLineFilterInput Or(this OrderLineFilterInput input, Action<List<OrderLineFilterInput>> mod)
+    {
+        var filter = new List<OrderLineFilterInput>();
+        mod ??= _ => { };
+        mod(filter); 
+        input.Or = filter;
+        return input;
+    }
+
+    public static OrderLineFilterInput LineNumber(this OrderLineFilterInput input, Action<IntOperationFilterInput> mod)
+    {
+        var filter = new IntOperationFilterInput();
+        mod ??= _ => { };
+        mod(filter); 
+        input.LineNumber = filter;
+        return input;
+    }
+
+    public static OrderLineFilterInput Order(this OrderLineFilterInput input, Action<OrderFilterInput> mod)
+    {
+        var filter = new OrderFilterInput();
+        mod ??= _ => { };
+        mod(filter); 
+        input.Order = filter;
+        return input;
+    }
+
+    public static OrderLineFilterInput Item(this OrderLineFilterInput input, Action<ItemFilterInput> mod)
+    {
+        var filter = new ItemFilterInput();
+        mod ??= _ => { };
+        mod(filter); 
+        input.Item = filter;
+        return input;
+    }
+
+    public static OrderLineFilterInput Price(this OrderLineFilterInput input, Action<DecimalOperationFilterInput> mod)
+    {
+        var filter = new DecimalOperationFilterInput();
+        mod ??= _ => { };
+        mod(filter); 
+        input.Price = filter;
+        return input;
+    }
+
+    public static OrderLineFilterInput Quantity(this OrderLineFilterInput input, Action<FloatOperationFilterInput> mod)
+    {
+        var filter = new FloatOperationFilterInput();
+        mod ??= _ => { };
+        mod(filter); 
+        input.Quantity = filter;
+        return input;
+    }
+
+}
+
+public static class OrderLineInputExtensions
+{ 
+	
+    public static OrderLineInput LineNumber(this OrderLineInput input, int val)
+    {
+         input.LineNumber = val;
+         return input;
+    }
+
+    public static OrderLineInput Order(this OrderLineInput input, Action<OrderInput> mod)
+    {
+        var filter = new OrderInput();
+        mod ??= _ => { };
+        mod(filter); 
+        input.Order = filter;
+        return input;
+    }
+
+    public static OrderLineInput Item(this OrderLineInput input, Action<ItemInput> mod)
+    {
+        var filter = new ItemInput();
+        mod ??= _ => { };
+        mod(filter); 
+        input.Item = filter;
+        return input;
+    }
+
+
+    public static OrderLineInput Price(this OrderLineInput input, decimal val)
+    {
+         input.Price = val;
+         return input;
+    }
+
+
+    public static OrderLineInput Quantity(this OrderLineInput input, double val)
+    {
+         input.Quantity = val;
+         return input;
+    }
+
+}
+
+public static class OrderSortInputExtensions
+{ 
+	
+    public static OrderSortInput OrderId(this OrderSortInput input, SortEnumType? val)
+    {
+         input.OrderId = val;
+         return input;
+    }
+
+    public static OrderSortInput Customer(this OrderSortInput input, Action<CustomerSortInput> mod)
+    {
+        var filter = new CustomerSortInput();
+        mod ??= _ => { };
+        mod(filter); 
+        input.Customer = filter;
+        return input;
+    }
+
+    public static OrderSortInput Address(this OrderSortInput input, Action<AddressSortInput> mod)
+    {
+        var filter = new AddressSortInput();
+        mod ??= _ => { };
+        mod(filter); 
+        input.Address = filter;
+        return input;
+    }
+
+
+    public static OrderSortInput OrderDate(this OrderSortInput input, SortEnumType? val)
+    {
+         input.OrderDate = val;
+         return input;
+    }
+
+
+    public static OrderSortInput OrderDateTime(this OrderSortInput input, SortEnumType? val)
+    {
+         input.OrderDateTime = val;
+         return input;
+    }
+
+
+    public static OrderSortInput OrderDay(this OrderSortInput input, SortEnumType? val)
+    {
+         input.OrderDay = val;
+         return input;
+    }
+
+
+    public static OrderSortInput EntryTime(this OrderSortInput input, SortEnumType? val)
+    {
+         input.EntryTime = val;
+         return input;
+    }
+
+
+    [Obsolete("This propery is obsolete and should not be used!")]
+    public static OrderSortInput Grade(this OrderSortInput input, SortEnumType? val)
+    {
+         input.Grade = val;
+         return input;
+    }
+
+}
+
+public static class StringOperationFilterInputExtensions
+{ 
+	    public static StringOperationFilterInput And(this StringOperationFilterInput input, Action<List<StringOperationFilterInput>> mod)
+    {
+        var filter = new List<StringOperationFilterInput>();
+        mod ??= _ => { };
+        mod(filter); 
+        input.And = filter;
+        return input;
+    }
+
+    public static StringOperationFilterInput Or(this StringOperationFilterInput input, Action<List<StringOperationFilterInput>> mod)
+    {
+        var filter = new List<StringOperationFilterInput>();
+        mod ??= _ => { };
+        mod(filter); 
+        input.Or = filter;
+        return input;
+    }
+
+
+    public static StringOperationFilterInput Eq(this StringOperationFilterInput input, string val)
+    {
+         input.Eq = val;
+         return input;
+    }
+
+
+    public static StringOperationFilterInput Neq(this StringOperationFilterInput input, string val)
+    {
+         input.Neq = val;
+         return input;
+    }
+
+
+    public static StringOperationFilterInput Contains(this StringOperationFilterInput input, string val)
+    {
+         input.Contains = val;
+         return input;
+    }
+
+
+    public static StringOperationFilterInput Ncontains(this StringOperationFilterInput input, string val)
+    {
+         input.Ncontains = val;
+         return input;
+    }
+
+
+    public static StringOperationFilterInput In(this StringOperationFilterInput input, List<string> val)
+    {
+         input.In = val;
+         return input;
+    }
+
+
+    public static StringOperationFilterInput Nin(this StringOperationFilterInput input, List<string> val)
+    {
+         input.Nin = val;
+         return input;
+    }
+
+
+    public static StringOperationFilterInput StartsWith(this StringOperationFilterInput input, string val)
+    {
+         input.StartsWith = val;
+         return input;
+    }
+
+
+    public static StringOperationFilterInput NstartsWith(this StringOperationFilterInput input, string val)
+    {
+         input.NstartsWith = val;
+         return input;
+    }
+
+
+    public static StringOperationFilterInput EndsWith(this StringOperationFilterInput input, string val)
+    {
+         input.EndsWith = val;
+         return input;
+    }
+
+
+    public static StringOperationFilterInput NendsWith(this StringOperationFilterInput input, string val)
+    {
+         input.NendsWith = val;
+         return input;
+    }
+
+}
+
+public static class UnsignedByteOperationFilterInputExtensions
+{ 
+	
+    public static UnsignedByteOperationFilterInput Eq(this UnsignedByteOperationFilterInput input, byte? val)
+    {
+         input.Eq = val;
+         return input;
+    }
+
+
+    public static UnsignedByteOperationFilterInput Neq(this UnsignedByteOperationFilterInput input, byte? val)
+    {
+         input.Neq = val;
+         return input;
+    }
+
+
+    public static UnsignedByteOperationFilterInput In(this UnsignedByteOperationFilterInput input, List<byte?> val)
+    {
+         input.In = val;
+         return input;
+    }
+
+
+    public static UnsignedByteOperationFilterInput Nin(this UnsignedByteOperationFilterInput input, List<byte?> val)
+    {
+         input.Nin = val;
+         return input;
+    }
+
+
+    public static UnsignedByteOperationFilterInput Gt(this UnsignedByteOperationFilterInput input, byte? val)
+    {
+         input.Gt = val;
+         return input;
+    }
+
+
+    public static UnsignedByteOperationFilterInput Ngt(this UnsignedByteOperationFilterInput input, byte? val)
+    {
+         input.Ngt = val;
+         return input;
+    }
+
+
+    public static UnsignedByteOperationFilterInput Gte(this UnsignedByteOperationFilterInput input, byte? val)
+    {
+         input.Gte = val;
+         return input;
+    }
+
+
+    public static UnsignedByteOperationFilterInput Ngte(this UnsignedByteOperationFilterInput input, byte? val)
+    {
+         input.Ngte = val;
+         return input;
+    }
+
+
+    public static UnsignedByteOperationFilterInput Lt(this UnsignedByteOperationFilterInput input, byte? val)
+    {
+         input.Lt = val;
+         return input;
+    }
+
+
+    public static UnsignedByteOperationFilterInput Nlt(this UnsignedByteOperationFilterInput input, byte? val)
+    {
+         input.Nlt = val;
+         return input;
+    }
+
+
+    public static UnsignedByteOperationFilterInput Lte(this UnsignedByteOperationFilterInput input, byte? val)
+    {
+         input.Lte = val;
+         return input;
+    }
+
+
+    public static UnsignedByteOperationFilterInput Nlte(this UnsignedByteOperationFilterInput input, byte? val)
+    {
+         input.Nlte = val;
+         return input;
+    }
+
+}
+
+public static class UuidOperationFilterInputExtensions
+{ 
+	
+    public static UuidOperationFilterInput Eq(this UuidOperationFilterInput input, Guid? val)
+    {
+         input.Eq = val;
+         return input;
+    }
+
+
+    public static UuidOperationFilterInput Neq(this UuidOperationFilterInput input, Guid? val)
+    {
+         input.Neq = val;
+         return input;
+    }
+
+
+    public static UuidOperationFilterInput In(this UuidOperationFilterInput input, List<Guid?> val)
+    {
+         input.In = val;
+         return input;
+    }
+
+
+    public static UuidOperationFilterInput Nin(this UuidOperationFilterInput input, List<Guid?> val)
+    {
+         input.Nin = val;
+         return input;
+    }
+
+
+    public static UuidOperationFilterInput Gt(this UuidOperationFilterInput input, Guid? val)
+    {
+         input.Gt = val;
+         return input;
+    }
+
+
+    public static UuidOperationFilterInput Ngt(this UuidOperationFilterInput input, Guid? val)
+    {
+         input.Ngt = val;
+         return input;
+    }
+
+
+    public static UuidOperationFilterInput Gte(this UuidOperationFilterInput input, Guid? val)
+    {
+         input.Gte = val;
+         return input;
+    }
+
+
+    public static UuidOperationFilterInput Ngte(this UuidOperationFilterInput input, Guid? val)
+    {
+         input.Ngte = val;
+         return input;
+    }
+
+
+    public static UuidOperationFilterInput Lt(this UuidOperationFilterInput input, Guid? val)
+    {
+         input.Lt = val;
+         return input;
+    }
+
+
+    public static UuidOperationFilterInput Nlt(this UuidOperationFilterInput input, Guid? val)
+    {
+         input.Nlt = val;
+         return input;
+    }
+
+
+    public static UuidOperationFilterInput Lte(this UuidOperationFilterInput input, Guid? val)
+    {
+         input.Lte = val;
+         return input;
+    }
+
+
+    public static UuidOperationFilterInput Nlte(this UuidOperationFilterInput input, Guid? val)
+    {
+         input.Nlte = val;
+         return input;
+    }
+
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/IntOperationFilterInput.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/IntOperationFilterInput.cs
new file mode 100644
index 00000000..55a1fd51
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/IntOperationFilterInput.cs
@@ -0,0 +1,114 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+[JsonConverter(typeof(GraphInputConverter<IntOperationFilterInput>))]
+public partial class IntOperationFilterInput : GraphInputBase
+{
+	[GraphQLMember("eq")]
+	[JsonPropertyName("eq")]
+	public int? Eq 
+	{
+		get => GetValue<int?>("eq");
+    	set => SetValue("eq", value);
+	}
+
+	[GraphQLMember("neq")]
+	[JsonPropertyName("neq")]
+	public int? Neq 
+	{
+		get => GetValue<int?>("neq");
+    	set => SetValue("neq", value);
+	}
+
+	[GraphQLMember("in")]
+	[JsonPropertyName("in")]
+	public List<int?> In 
+	{
+		get => GetValue<List<int?>>("in");
+    	set => SetValue("in", value);
+	}
+
+	[GraphQLMember("nin")]
+	[JsonPropertyName("nin")]
+	public List<int?> Nin 
+	{
+		get => GetValue<List<int?>>("nin");
+    	set => SetValue("nin", value);
+	}
+
+	[GraphQLMember("gt")]
+	[JsonPropertyName("gt")]
+	public int? Gt 
+	{
+		get => GetValue<int?>("gt");
+    	set => SetValue("gt", value);
+	}
+
+	[GraphQLMember("ngt")]
+	[JsonPropertyName("ngt")]
+	public int? Ngt 
+	{
+		get => GetValue<int?>("ngt");
+    	set => SetValue("ngt", value);
+	}
+
+	[GraphQLMember("gte")]
+	[JsonPropertyName("gte")]
+	public int? Gte 
+	{
+		get => GetValue<int?>("gte");
+    	set => SetValue("gte", value);
+	}
+
+	[GraphQLMember("ngte")]
+	[JsonPropertyName("ngte")]
+	public int? Ngte 
+	{
+		get => GetValue<int?>("ngte");
+    	set => SetValue("ngte", value);
+	}
+
+	[GraphQLMember("lt")]
+	[JsonPropertyName("lt")]
+	public int? Lt 
+	{
+		get => GetValue<int?>("lt");
+    	set => SetValue("lt", value);
+	}
+
+	[GraphQLMember("nlt")]
+	[JsonPropertyName("nlt")]
+	public int? Nlt 
+	{
+		get => GetValue<int?>("nlt");
+    	set => SetValue("nlt", value);
+	}
+
+	[GraphQLMember("lte")]
+	[JsonPropertyName("lte")]
+	public int? Lte 
+	{
+		get => GetValue<int?>("lte");
+    	set => SetValue("lte", value);
+	}
+
+	[GraphQLMember("nlte")]
+	[JsonPropertyName("nlte")]
+	public int? Nlte 
+	{
+		get => GetValue<int?>("nlte");
+    	set => SetValue("nlte", value);
+	}
+
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/ItemFilterInput.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/ItemFilterInput.cs
new file mode 100644
index 00000000..68511b1e
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/ItemFilterInput.cs
@@ -0,0 +1,58 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+[JsonConverter(typeof(GraphInputConverter<ItemFilterInput>))]
+public partial class ItemFilterInput : GraphInputBase
+{
+	[GraphQLMember("and")]
+	[JsonPropertyName("and")]
+	public List<ItemFilterInput> And 
+	{
+		get => GetValue<List<ItemFilterInput>>("and");
+    	set => SetValue("and", value);
+	}
+
+	[GraphQLMember("or")]
+	[JsonPropertyName("or")]
+	public List<ItemFilterInput> Or 
+	{
+		get => GetValue<List<ItemFilterInput>>("or");
+    	set => SetValue("or", value);
+	}
+
+	[GraphQLMember("itemId")]
+	[JsonPropertyName("itemId")]
+	public StringOperationFilterInput ItemId 
+	{
+		get => GetValue<StringOperationFilterInput>("itemId");
+    	set => SetValue("itemId", value);
+	}
+
+	[GraphQLMember("itemName")]
+	[JsonPropertyName("itemName")]
+	public StringOperationFilterInput ItemName 
+	{
+		get => GetValue<StringOperationFilterInput>("itemName");
+    	set => SetValue("itemName", value);
+	}
+
+	[GraphQLMember("data")]
+	[JsonPropertyName("data")]
+	public ListUnsignedByteOperationFilterInput Data 
+	{
+		get => GetValue<ListUnsignedByteOperationFilterInput>("data");
+    	set => SetValue("data", value);
+	}
+
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/ItemInput.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/ItemInput.cs
new file mode 100644
index 00000000..b8aa83f8
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/ItemInput.cs
@@ -0,0 +1,42 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+[JsonConverter(typeof(GraphInputConverter<ItemInput>))]
+public partial class ItemInput : GraphInputBase
+{
+	[GraphQLMember("itemId")]
+	[JsonPropertyName("itemId")]
+	public string ItemId 
+	{
+		get => GetValue<string>("itemId");
+    	set => SetValue("itemId", value);
+	}
+
+	[GraphQLMember("itemName")]
+	[JsonPropertyName("itemName")]
+	public string ItemName 
+	{
+		get => GetValue<string>("itemName");
+    	set => SetValue("itemName", value);
+	}
+
+	[GraphQLMember("data")]
+	[JsonPropertyName("data")]
+	public List<byte> Data 
+	{
+		get => GetValue<List<byte>>("data");
+    	set => SetValue("data", value);
+	}
+
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/ListFilterInputTypeOfOrderFilterInput.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/ListFilterInputTypeOfOrderFilterInput.cs
new file mode 100644
index 00000000..0ef9181c
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/ListFilterInputTypeOfOrderFilterInput.cs
@@ -0,0 +1,50 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+[JsonConverter(typeof(GraphInputConverter<ListFilterInputTypeOfOrderFilterInput>))]
+public partial class ListFilterInputTypeOfOrderFilterInput : GraphInputBase
+{
+	[GraphQLMember("all")]
+	[JsonPropertyName("all")]
+	public OrderFilterInput All 
+	{
+		get => GetValue<OrderFilterInput>("all");
+    	set => SetValue("all", value);
+	}
+
+	[GraphQLMember("none")]
+	[JsonPropertyName("none")]
+	public OrderFilterInput None 
+	{
+		get => GetValue<OrderFilterInput>("none");
+    	set => SetValue("none", value);
+	}
+
+	[GraphQLMember("some")]
+	[JsonPropertyName("some")]
+	public OrderFilterInput Some 
+	{
+		get => GetValue<OrderFilterInput>("some");
+    	set => SetValue("some", value);
+	}
+
+	[GraphQLMember("any")]
+	[JsonPropertyName("any")]
+	public bool? Any 
+	{
+		get => GetValue<bool?>("any");
+    	set => SetValue("any", value);
+	}
+
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/ListFilterInputTypeOfOrderLineFilterInput.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/ListFilterInputTypeOfOrderLineFilterInput.cs
new file mode 100644
index 00000000..8dd56f0a
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/ListFilterInputTypeOfOrderLineFilterInput.cs
@@ -0,0 +1,50 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+[JsonConverter(typeof(GraphInputConverter<ListFilterInputTypeOfOrderLineFilterInput>))]
+public partial class ListFilterInputTypeOfOrderLineFilterInput : GraphInputBase
+{
+	[GraphQLMember("all")]
+	[JsonPropertyName("all")]
+	public OrderLineFilterInput All 
+	{
+		get => GetValue<OrderLineFilterInput>("all");
+    	set => SetValue("all", value);
+	}
+
+	[GraphQLMember("none")]
+	[JsonPropertyName("none")]
+	public OrderLineFilterInput None 
+	{
+		get => GetValue<OrderLineFilterInput>("none");
+    	set => SetValue("none", value);
+	}
+
+	[GraphQLMember("some")]
+	[JsonPropertyName("some")]
+	public OrderLineFilterInput Some 
+	{
+		get => GetValue<OrderLineFilterInput>("some");
+    	set => SetValue("some", value);
+	}
+
+	[GraphQLMember("any")]
+	[JsonPropertyName("any")]
+	public bool? Any 
+	{
+		get => GetValue<bool?>("any");
+    	set => SetValue("any", value);
+	}
+
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/ListUnsignedByteOperationFilterInput.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/ListUnsignedByteOperationFilterInput.cs
new file mode 100644
index 00000000..ecae3b8b
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/ListUnsignedByteOperationFilterInput.cs
@@ -0,0 +1,50 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+[JsonConverter(typeof(GraphInputConverter<ListUnsignedByteOperationFilterInput>))]
+public partial class ListUnsignedByteOperationFilterInput : GraphInputBase
+{
+	[GraphQLMember("all")]
+	[JsonPropertyName("all")]
+	public UnsignedByteOperationFilterInput All 
+	{
+		get => GetValue<UnsignedByteOperationFilterInput>("all");
+    	set => SetValue("all", value);
+	}
+
+	[GraphQLMember("none")]
+	[JsonPropertyName("none")]
+	public UnsignedByteOperationFilterInput None 
+	{
+		get => GetValue<UnsignedByteOperationFilterInput>("none");
+    	set => SetValue("none", value);
+	}
+
+	[GraphQLMember("some")]
+	[JsonPropertyName("some")]
+	public UnsignedByteOperationFilterInput Some 
+	{
+		get => GetValue<UnsignedByteOperationFilterInput>("some");
+    	set => SetValue("some", value);
+	}
+
+	[GraphQLMember("any")]
+	[JsonPropertyName("any")]
+	public bool? Any 
+	{
+		get => GetValue<bool?>("any");
+    	set => SetValue("any", value);
+	}
+
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/LocalDateOperationFilterInput.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/LocalDateOperationFilterInput.cs
new file mode 100644
index 00000000..037699f8
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/LocalDateOperationFilterInput.cs
@@ -0,0 +1,114 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+[JsonConverter(typeof(GraphInputConverter<LocalDateOperationFilterInput>))]
+public partial class LocalDateOperationFilterInput : GraphInputBase
+{
+	[GraphQLMember("eq")]
+	[JsonPropertyName("eq")]
+	public DateOnly? Eq 
+	{
+		get => GetValue<DateOnly?>("eq");
+    	set => SetValue("eq", value);
+	}
+
+	[GraphQLMember("neq")]
+	[JsonPropertyName("neq")]
+	public DateOnly? Neq 
+	{
+		get => GetValue<DateOnly?>("neq");
+    	set => SetValue("neq", value);
+	}
+
+	[GraphQLMember("in")]
+	[JsonPropertyName("in")]
+	public List<DateOnly?> In 
+	{
+		get => GetValue<List<DateOnly?>>("in");
+    	set => SetValue("in", value);
+	}
+
+	[GraphQLMember("nin")]
+	[JsonPropertyName("nin")]
+	public List<DateOnly?> Nin 
+	{
+		get => GetValue<List<DateOnly?>>("nin");
+    	set => SetValue("nin", value);
+	}
+
+	[GraphQLMember("gt")]
+	[JsonPropertyName("gt")]
+	public DateOnly? Gt 
+	{
+		get => GetValue<DateOnly?>("gt");
+    	set => SetValue("gt", value);
+	}
+
+	[GraphQLMember("ngt")]
+	[JsonPropertyName("ngt")]
+	public DateOnly? Ngt 
+	{
+		get => GetValue<DateOnly?>("ngt");
+    	set => SetValue("ngt", value);
+	}
+
+	[GraphQLMember("gte")]
+	[JsonPropertyName("gte")]
+	public DateOnly? Gte 
+	{
+		get => GetValue<DateOnly?>("gte");
+    	set => SetValue("gte", value);
+	}
+
+	[GraphQLMember("ngte")]
+	[JsonPropertyName("ngte")]
+	public DateOnly? Ngte 
+	{
+		get => GetValue<DateOnly?>("ngte");
+    	set => SetValue("ngte", value);
+	}
+
+	[GraphQLMember("lt")]
+	[JsonPropertyName("lt")]
+	public DateOnly? Lt 
+	{
+		get => GetValue<DateOnly?>("lt");
+    	set => SetValue("lt", value);
+	}
+
+	[GraphQLMember("nlt")]
+	[JsonPropertyName("nlt")]
+	public DateOnly? Nlt 
+	{
+		get => GetValue<DateOnly?>("nlt");
+    	set => SetValue("nlt", value);
+	}
+
+	[GraphQLMember("lte")]
+	[JsonPropertyName("lte")]
+	public DateOnly? Lte 
+	{
+		get => GetValue<DateOnly?>("lte");
+    	set => SetValue("lte", value);
+	}
+
+	[GraphQLMember("nlte")]
+	[JsonPropertyName("nlte")]
+	public DateOnly? Nlte 
+	{
+		get => GetValue<DateOnly?>("nlte");
+    	set => SetValue("nlte", value);
+	}
+
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/LocalTimeOperationFilterInput.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/LocalTimeOperationFilterInput.cs
new file mode 100644
index 00000000..72f47b51
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/LocalTimeOperationFilterInput.cs
@@ -0,0 +1,114 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+[JsonConverter(typeof(GraphInputConverter<LocalTimeOperationFilterInput>))]
+public partial class LocalTimeOperationFilterInput : GraphInputBase
+{
+	[GraphQLMember("eq")]
+	[JsonPropertyName("eq")]
+	public TimeOnly? Eq 
+	{
+		get => GetValue<TimeOnly?>("eq");
+    	set => SetValue("eq", value);
+	}
+
+	[GraphQLMember("neq")]
+	[JsonPropertyName("neq")]
+	public TimeOnly? Neq 
+	{
+		get => GetValue<TimeOnly?>("neq");
+    	set => SetValue("neq", value);
+	}
+
+	[GraphQLMember("in")]
+	[JsonPropertyName("in")]
+	public List<TimeOnly?> In 
+	{
+		get => GetValue<List<TimeOnly?>>("in");
+    	set => SetValue("in", value);
+	}
+
+	[GraphQLMember("nin")]
+	[JsonPropertyName("nin")]
+	public List<TimeOnly?> Nin 
+	{
+		get => GetValue<List<TimeOnly?>>("nin");
+    	set => SetValue("nin", value);
+	}
+
+	[GraphQLMember("gt")]
+	[JsonPropertyName("gt")]
+	public TimeOnly? Gt 
+	{
+		get => GetValue<TimeOnly?>("gt");
+    	set => SetValue("gt", value);
+	}
+
+	[GraphQLMember("ngt")]
+	[JsonPropertyName("ngt")]
+	public TimeOnly? Ngt 
+	{
+		get => GetValue<TimeOnly?>("ngt");
+    	set => SetValue("ngt", value);
+	}
+
+	[GraphQLMember("gte")]
+	[JsonPropertyName("gte")]
+	public TimeOnly? Gte 
+	{
+		get => GetValue<TimeOnly?>("gte");
+    	set => SetValue("gte", value);
+	}
+
+	[GraphQLMember("ngte")]
+	[JsonPropertyName("ngte")]
+	public TimeOnly? Ngte 
+	{
+		get => GetValue<TimeOnly?>("ngte");
+    	set => SetValue("ngte", value);
+	}
+
+	[GraphQLMember("lt")]
+	[JsonPropertyName("lt")]
+	public TimeOnly? Lt 
+	{
+		get => GetValue<TimeOnly?>("lt");
+    	set => SetValue("lt", value);
+	}
+
+	[GraphQLMember("nlt")]
+	[JsonPropertyName("nlt")]
+	public TimeOnly? Nlt 
+	{
+		get => GetValue<TimeOnly?>("nlt");
+    	set => SetValue("nlt", value);
+	}
+
+	[GraphQLMember("lte")]
+	[JsonPropertyName("lte")]
+	public TimeOnly? Lte 
+	{
+		get => GetValue<TimeOnly?>("lte");
+    	set => SetValue("lte", value);
+	}
+
+	[GraphQLMember("nlte")]
+	[JsonPropertyName("nlte")]
+	public TimeOnly? Nlte 
+	{
+		get => GetValue<TimeOnly?>("nlte");
+    	set => SetValue("nlte", value);
+	}
+
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/OrderFilterInput.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/OrderFilterInput.cs
new file mode 100644
index 00000000..344fd8b3
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/OrderFilterInput.cs
@@ -0,0 +1,107 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+[JsonConverter(typeof(GraphInputConverter<OrderFilterInput>))]
+public partial class OrderFilterInput : GraphInputBase
+{
+	[GraphQLMember("and")]
+	[JsonPropertyName("and")]
+	public List<OrderFilterInput> And 
+	{
+		get => GetValue<List<OrderFilterInput>>("and");
+    	set => SetValue("and", value);
+	}
+
+	[GraphQLMember("or")]
+	[JsonPropertyName("or")]
+	public List<OrderFilterInput> Or 
+	{
+		get => GetValue<List<OrderFilterInput>>("or");
+    	set => SetValue("or", value);
+	}
+
+	[GraphQLMember("orderId")]
+	[JsonPropertyName("orderId")]
+	public UuidOperationFilterInput OrderId 
+	{
+		get => GetValue<UuidOperationFilterInput>("orderId");
+    	set => SetValue("orderId", value);
+	}
+
+	[GraphQLMember("customer")]
+	[JsonPropertyName("customer")]
+	public CustomerFilterInput Customer 
+	{
+		get => GetValue<CustomerFilterInput>("customer");
+    	set => SetValue("customer", value);
+	}
+
+	[GraphQLMember("address")]
+	[JsonPropertyName("address")]
+	public AddressFilterInput Address 
+	{
+		get => GetValue<AddressFilterInput>("address");
+    	set => SetValue("address", value);
+	}
+
+	[GraphQLMember("orderDate")]
+	[JsonPropertyName("orderDate")]
+	public DateTimeOperationFilterInput OrderDate 
+	{
+		get => GetValue<DateTimeOperationFilterInput>("orderDate");
+    	set => SetValue("orderDate", value);
+	}
+
+	[GraphQLMember("orderDateTime")]
+	[JsonPropertyName("orderDateTime")]
+	public DateTimeOperationFilterInput OrderDateTime 
+	{
+		get => GetValue<DateTimeOperationFilterInput>("orderDateTime");
+    	set => SetValue("orderDateTime", value);
+	}
+
+	[GraphQLMember("orderDay")]
+	[JsonPropertyName("orderDay")]
+	public LocalDateOperationFilterInput OrderDay 
+	{
+		get => GetValue<LocalDateOperationFilterInput>("orderDay");
+    	set => SetValue("orderDay", value);
+	}
+
+	[GraphQLMember("lines")]
+	[JsonPropertyName("lines")]
+	public ListFilterInputTypeOfOrderLineFilterInput Lines 
+	{
+		get => GetValue<ListFilterInputTypeOfOrderLineFilterInput>("lines");
+    	set => SetValue("lines", value);
+	}
+
+	[GraphQLMember("entryTime")]
+	[JsonPropertyName("entryTime")]
+	public LocalTimeOperationFilterInput EntryTime 
+	{
+		get => GetValue<LocalTimeOperationFilterInput>("entryTime");
+    	set => SetValue("entryTime", value);
+	}
+
+    [Obsolete("This propery is obsolete and should not be used!")]
+	[GraphQLMember("grade")]
+	[JsonPropertyName("grade")]
+	public StringOperationFilterInput Grade 
+	{
+		get => GetValue<StringOperationFilterInput>("grade");
+    	set => SetValue("grade", value);
+	}
+
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/OrderInput.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/OrderInput.cs
new file mode 100644
index 00000000..367ca158
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/OrderInput.cs
@@ -0,0 +1,91 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+[JsonConverter(typeof(GraphInputConverter<OrderInput>))]
+public partial class OrderInput : GraphInputBase
+{
+	[GraphQLMember("orderId")]
+	[JsonPropertyName("orderId")]
+	public Guid OrderId 
+	{
+		get => GetValue<Guid>("orderId");
+    	set => SetValue("orderId", value);
+	}
+
+	[GraphQLMember("customer")]
+	[JsonPropertyName("customer")]
+	public CustomerInput Customer 
+	{
+		get => GetValue<CustomerInput>("customer");
+    	set => SetValue("customer", value);
+	}
+
+	[GraphQLMember("address")]
+	[JsonPropertyName("address")]
+	public AddressInput Address 
+	{
+		get => GetValue<AddressInput>("address");
+    	set => SetValue("address", value);
+	}
+
+	[GraphQLMember("orderDate")]
+	[JsonPropertyName("orderDate")]
+	public DateTimeOffset OrderDate 
+	{
+		get => GetValue<DateTimeOffset>("orderDate");
+    	set => SetValue("orderDate", value);
+	}
+
+	[GraphQLMember("orderDateTime")]
+	[JsonPropertyName("orderDateTime")]
+	public DateTimeOffset OrderDateTime 
+	{
+		get => GetValue<DateTimeOffset>("orderDateTime");
+    	set => SetValue("orderDateTime", value);
+	}
+
+	[GraphQLMember("orderDay")]
+	[JsonPropertyName("orderDay")]
+	public DateOnly OrderDay 
+	{
+		get => GetValue<DateOnly>("orderDay");
+    	set => SetValue("orderDay", value);
+	}
+
+	[GraphQLMember("lines")]
+	[JsonPropertyName("lines")]
+	public List<OrderLineInput> Lines 
+	{
+		get => GetValue<List<OrderLineInput>>("lines");
+    	set => SetValue("lines", value);
+	}
+
+	[GraphQLMember("entryTime")]
+	[JsonPropertyName("entryTime")]
+	public TimeOnly? EntryTime 
+	{
+		get => GetValue<TimeOnly?>("entryTime");
+    	set => SetValue("entryTime", value);
+	}
+
+    [Obsolete("This propery is obsolete and should not be used!")]
+	[GraphQLMember("grade")]
+	[JsonPropertyName("grade")]
+	public string Grade 
+	{
+		get => GetValue<string>("grade");
+    	set => SetValue("grade", value);
+	}
+
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/OrderLineFilterInput.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/OrderLineFilterInput.cs
new file mode 100644
index 00000000..a4682277
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/OrderLineFilterInput.cs
@@ -0,0 +1,74 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+[JsonConverter(typeof(GraphInputConverter<OrderLineFilterInput>))]
+public partial class OrderLineFilterInput : GraphInputBase
+{
+	[GraphQLMember("and")]
+	[JsonPropertyName("and")]
+	public List<OrderLineFilterInput> And 
+	{
+		get => GetValue<List<OrderLineFilterInput>>("and");
+    	set => SetValue("and", value);
+	}
+
+	[GraphQLMember("or")]
+	[JsonPropertyName("or")]
+	public List<OrderLineFilterInput> Or 
+	{
+		get => GetValue<List<OrderLineFilterInput>>("or");
+    	set => SetValue("or", value);
+	}
+
+	[GraphQLMember("lineNumber")]
+	[JsonPropertyName("lineNumber")]
+	public IntOperationFilterInput LineNumber 
+	{
+		get => GetValue<IntOperationFilterInput>("lineNumber");
+    	set => SetValue("lineNumber", value);
+	}
+
+	[GraphQLMember("order")]
+	[JsonPropertyName("order")]
+	public OrderFilterInput Order 
+	{
+		get => GetValue<OrderFilterInput>("order");
+    	set => SetValue("order", value);
+	}
+
+	[GraphQLMember("item")]
+	[JsonPropertyName("item")]
+	public ItemFilterInput Item 
+	{
+		get => GetValue<ItemFilterInput>("item");
+    	set => SetValue("item", value);
+	}
+
+	[GraphQLMember("price")]
+	[JsonPropertyName("price")]
+	public DecimalOperationFilterInput Price 
+	{
+		get => GetValue<DecimalOperationFilterInput>("price");
+    	set => SetValue("price", value);
+	}
+
+	[GraphQLMember("quantity")]
+	[JsonPropertyName("quantity")]
+	public FloatOperationFilterInput Quantity 
+	{
+		get => GetValue<FloatOperationFilterInput>("quantity");
+    	set => SetValue("quantity", value);
+	}
+
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/OrderLineInput.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/OrderLineInput.cs
new file mode 100644
index 00000000..10f60393
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/OrderLineInput.cs
@@ -0,0 +1,58 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+[JsonConverter(typeof(GraphInputConverter<OrderLineInput>))]
+public partial class OrderLineInput : GraphInputBase
+{
+	[GraphQLMember("lineNumber")]
+	[JsonPropertyName("lineNumber")]
+	public int LineNumber 
+	{
+		get => GetValue<int>("lineNumber");
+    	set => SetValue("lineNumber", value);
+	}
+
+	[GraphQLMember("order")]
+	[JsonPropertyName("order")]
+	public OrderInput Order 
+	{
+		get => GetValue<OrderInput>("order");
+    	set => SetValue("order", value);
+	}
+
+	[GraphQLMember("item")]
+	[JsonPropertyName("item")]
+	public ItemInput Item 
+	{
+		get => GetValue<ItemInput>("item");
+    	set => SetValue("item", value);
+	}
+
+	[GraphQLMember("price")]
+	[JsonPropertyName("price")]
+	public decimal Price 
+	{
+		get => GetValue<decimal>("price");
+    	set => SetValue("price", value);
+	}
+
+	[GraphQLMember("quantity")]
+	[JsonPropertyName("quantity")]
+	public double Quantity 
+	{
+		get => GetValue<double>("quantity");
+    	set => SetValue("quantity", value);
+	}
+
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/OrderSortInput.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/OrderSortInput.cs
new file mode 100644
index 00000000..16a7024c
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/OrderSortInput.cs
@@ -0,0 +1,83 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+[JsonConverter(typeof(GraphInputConverter<OrderSortInput>))]
+public partial class OrderSortInput : GraphInputBase
+{
+	[GraphQLMember("orderId")]
+	[JsonPropertyName("orderId")]
+	public SortEnumType? OrderId 
+	{
+		get => GetValue<SortEnumType?>("orderId");
+    	set => SetValue("orderId", value);
+	}
+
+	[GraphQLMember("customer")]
+	[JsonPropertyName("customer")]
+	public CustomerSortInput Customer 
+	{
+		get => GetValue<CustomerSortInput>("customer");
+    	set => SetValue("customer", value);
+	}
+
+	[GraphQLMember("address")]
+	[JsonPropertyName("address")]
+	public AddressSortInput Address 
+	{
+		get => GetValue<AddressSortInput>("address");
+    	set => SetValue("address", value);
+	}
+
+	[GraphQLMember("orderDate")]
+	[JsonPropertyName("orderDate")]
+	public SortEnumType? OrderDate 
+	{
+		get => GetValue<SortEnumType?>("orderDate");
+    	set => SetValue("orderDate", value);
+	}
+
+	[GraphQLMember("orderDateTime")]
+	[JsonPropertyName("orderDateTime")]
+	public SortEnumType? OrderDateTime 
+	{
+		get => GetValue<SortEnumType?>("orderDateTime");
+    	set => SetValue("orderDateTime", value);
+	}
+
+	[GraphQLMember("orderDay")]
+	[JsonPropertyName("orderDay")]
+	public SortEnumType? OrderDay 
+	{
+		get => GetValue<SortEnumType?>("orderDay");
+    	set => SetValue("orderDay", value);
+	}
+
+	[GraphQLMember("entryTime")]
+	[JsonPropertyName("entryTime")]
+	public SortEnumType? EntryTime 
+	{
+		get => GetValue<SortEnumType?>("entryTime");
+    	set => SetValue("entryTime", value);
+	}
+
+    [Obsolete("This propery is obsolete and should not be used!")]
+	[GraphQLMember("grade")]
+	[JsonPropertyName("grade")]
+	public SortEnumType? Grade 
+	{
+		get => GetValue<SortEnumType?>("grade");
+    	set => SetValue("grade", value);
+	}
+
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/StringOperationFilterInput.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/StringOperationFilterInput.cs
new file mode 100644
index 00000000..92fc4169
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/StringOperationFilterInput.cs
@@ -0,0 +1,114 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+[JsonConverter(typeof(GraphInputConverter<StringOperationFilterInput>))]
+public partial class StringOperationFilterInput : GraphInputBase
+{
+	[GraphQLMember("and")]
+	[JsonPropertyName("and")]
+	public List<StringOperationFilterInput> And 
+	{
+		get => GetValue<List<StringOperationFilterInput>>("and");
+    	set => SetValue("and", value);
+	}
+
+	[GraphQLMember("or")]
+	[JsonPropertyName("or")]
+	public List<StringOperationFilterInput> Or 
+	{
+		get => GetValue<List<StringOperationFilterInput>>("or");
+    	set => SetValue("or", value);
+	}
+
+	[GraphQLMember("eq")]
+	[JsonPropertyName("eq")]
+	public string Eq 
+	{
+		get => GetValue<string>("eq");
+    	set => SetValue("eq", value);
+	}
+
+	[GraphQLMember("neq")]
+	[JsonPropertyName("neq")]
+	public string Neq 
+	{
+		get => GetValue<string>("neq");
+    	set => SetValue("neq", value);
+	}
+
+	[GraphQLMember("contains")]
+	[JsonPropertyName("contains")]
+	public string Contains 
+	{
+		get => GetValue<string>("contains");
+    	set => SetValue("contains", value);
+	}
+
+	[GraphQLMember("ncontains")]
+	[JsonPropertyName("ncontains")]
+	public string Ncontains 
+	{
+		get => GetValue<string>("ncontains");
+    	set => SetValue("ncontains", value);
+	}
+
+	[GraphQLMember("in")]
+	[JsonPropertyName("in")]
+	public List<string> In 
+	{
+		get => GetValue<List<string>>("in");
+    	set => SetValue("in", value);
+	}
+
+	[GraphQLMember("nin")]
+	[JsonPropertyName("nin")]
+	public List<string> Nin 
+	{
+		get => GetValue<List<string>>("nin");
+    	set => SetValue("nin", value);
+	}
+
+	[GraphQLMember("startsWith")]
+	[JsonPropertyName("startsWith")]
+	public string StartsWith 
+	{
+		get => GetValue<string>("startsWith");
+    	set => SetValue("startsWith", value);
+	}
+
+	[GraphQLMember("nstartsWith")]
+	[JsonPropertyName("nstartsWith")]
+	public string NstartsWith 
+	{
+		get => GetValue<string>("nstartsWith");
+    	set => SetValue("nstartsWith", value);
+	}
+
+	[GraphQLMember("endsWith")]
+	[JsonPropertyName("endsWith")]
+	public string EndsWith 
+	{
+		get => GetValue<string>("endsWith");
+    	set => SetValue("endsWith", value);
+	}
+
+	[GraphQLMember("nendsWith")]
+	[JsonPropertyName("nendsWith")]
+	public string NendsWith 
+	{
+		get => GetValue<string>("nendsWith");
+    	set => SetValue("nendsWith", value);
+	}
+
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/UnsignedByteOperationFilterInput.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/UnsignedByteOperationFilterInput.cs
new file mode 100644
index 00000000..82782521
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/UnsignedByteOperationFilterInput.cs
@@ -0,0 +1,114 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+[JsonConverter(typeof(GraphInputConverter<UnsignedByteOperationFilterInput>))]
+public partial class UnsignedByteOperationFilterInput : GraphInputBase
+{
+	[GraphQLMember("eq")]
+	[JsonPropertyName("eq")]
+	public byte? Eq 
+	{
+		get => GetValue<byte?>("eq");
+    	set => SetValue("eq", value);
+	}
+
+	[GraphQLMember("neq")]
+	[JsonPropertyName("neq")]
+	public byte? Neq 
+	{
+		get => GetValue<byte?>("neq");
+    	set => SetValue("neq", value);
+	}
+
+	[GraphQLMember("in")]
+	[JsonPropertyName("in")]
+	public List<byte?> In 
+	{
+		get => GetValue<List<byte?>>("in");
+    	set => SetValue("in", value);
+	}
+
+	[GraphQLMember("nin")]
+	[JsonPropertyName("nin")]
+	public List<byte?> Nin 
+	{
+		get => GetValue<List<byte?>>("nin");
+    	set => SetValue("nin", value);
+	}
+
+	[GraphQLMember("gt")]
+	[JsonPropertyName("gt")]
+	public byte? Gt 
+	{
+		get => GetValue<byte?>("gt");
+    	set => SetValue("gt", value);
+	}
+
+	[GraphQLMember("ngt")]
+	[JsonPropertyName("ngt")]
+	public byte? Ngt 
+	{
+		get => GetValue<byte?>("ngt");
+    	set => SetValue("ngt", value);
+	}
+
+	[GraphQLMember("gte")]
+	[JsonPropertyName("gte")]
+	public byte? Gte 
+	{
+		get => GetValue<byte?>("gte");
+    	set => SetValue("gte", value);
+	}
+
+	[GraphQLMember("ngte")]
+	[JsonPropertyName("ngte")]
+	public byte? Ngte 
+	{
+		get => GetValue<byte?>("ngte");
+    	set => SetValue("ngte", value);
+	}
+
+	[GraphQLMember("lt")]
+	[JsonPropertyName("lt")]
+	public byte? Lt 
+	{
+		get => GetValue<byte?>("lt");
+    	set => SetValue("lt", value);
+	}
+
+	[GraphQLMember("nlt")]
+	[JsonPropertyName("nlt")]
+	public byte? Nlt 
+	{
+		get => GetValue<byte?>("nlt");
+    	set => SetValue("nlt", value);
+	}
+
+	[GraphQLMember("lte")]
+	[JsonPropertyName("lte")]
+	public byte? Lte 
+	{
+		get => GetValue<byte?>("lte");
+    	set => SetValue("lte", value);
+	}
+
+	[GraphQLMember("nlte")]
+	[JsonPropertyName("nlte")]
+	public byte? Nlte 
+	{
+		get => GetValue<byte?>("nlte");
+    	set => SetValue("nlte", value);
+	}
+
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/UuidOperationFilterInput.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/UuidOperationFilterInput.cs
new file mode 100644
index 00000000..d3ac4551
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Inputs/UuidOperationFilterInput.cs
@@ -0,0 +1,114 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+[JsonConverter(typeof(GraphInputConverter<UuidOperationFilterInput>))]
+public partial class UuidOperationFilterInput : GraphInputBase
+{
+	[GraphQLMember("eq")]
+	[JsonPropertyName("eq")]
+	public Guid? Eq 
+	{
+		get => GetValue<Guid?>("eq");
+    	set => SetValue("eq", value);
+	}
+
+	[GraphQLMember("neq")]
+	[JsonPropertyName("neq")]
+	public Guid? Neq 
+	{
+		get => GetValue<Guid?>("neq");
+    	set => SetValue("neq", value);
+	}
+
+	[GraphQLMember("in")]
+	[JsonPropertyName("in")]
+	public List<Guid?> In 
+	{
+		get => GetValue<List<Guid?>>("in");
+    	set => SetValue("in", value);
+	}
+
+	[GraphQLMember("nin")]
+	[JsonPropertyName("nin")]
+	public List<Guid?> Nin 
+	{
+		get => GetValue<List<Guid?>>("nin");
+    	set => SetValue("nin", value);
+	}
+
+	[GraphQLMember("gt")]
+	[JsonPropertyName("gt")]
+	public Guid? Gt 
+	{
+		get => GetValue<Guid?>("gt");
+    	set => SetValue("gt", value);
+	}
+
+	[GraphQLMember("ngt")]
+	[JsonPropertyName("ngt")]
+	public Guid? Ngt 
+	{
+		get => GetValue<Guid?>("ngt");
+    	set => SetValue("ngt", value);
+	}
+
+	[GraphQLMember("gte")]
+	[JsonPropertyName("gte")]
+	public Guid? Gte 
+	{
+		get => GetValue<Guid?>("gte");
+    	set => SetValue("gte", value);
+	}
+
+	[GraphQLMember("ngte")]
+	[JsonPropertyName("ngte")]
+	public Guid? Ngte 
+	{
+		get => GetValue<Guid?>("ngte");
+    	set => SetValue("ngte", value);
+	}
+
+	[GraphQLMember("lt")]
+	[JsonPropertyName("lt")]
+	public Guid? Lt 
+	{
+		get => GetValue<Guid?>("lt");
+    	set => SetValue("lt", value);
+	}
+
+	[GraphQLMember("nlt")]
+	[JsonPropertyName("nlt")]
+	public Guid? Nlt 
+	{
+		get => GetValue<Guid?>("nlt");
+    	set => SetValue("nlt", value);
+	}
+
+	[GraphQLMember("lte")]
+	[JsonPropertyName("lte")]
+	public Guid? Lte 
+	{
+		get => GetValue<Guid?>("lte");
+    	set => SetValue("lte", value);
+	}
+
+	[GraphQLMember("nlte")]
+	[JsonPropertyName("nlte")]
+	public Guid? Nlte 
+	{
+		get => GetValue<Guid?>("nlte");
+    	set => SetValue("nlte", value);
+	}
+
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Interfaces/IAnimal.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Interfaces/IAnimal.cs
new file mode 100644
index 00000000..27f7b53b
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Interfaces/IAnimal.cs
@@ -0,0 +1,120 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Text.Json;
+using System.Text.Json.Nodes;
+using System.Text.Json.Serialization;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+using Linq2GraphQL.TestClientStandalone.Runtime.Converters;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+/// <summary>
+/// Extension methods for IAnimal interface type casting
+/// </summary>
+public static class IAnimalExtensions
+{
+    /// <summary>
+    /// Casts IAnimal to Pig if the runtime type matches
+    /// </summary>
+    /// <param name="value">The interface value to cast</param>
+    /// <returns>Pig instance or null if type doesn't match</returns>
+    [GraphQLMember("Pig", true)]
+    public static Pig Pig(this IAnimal value)
+    {
+        if (value.__TypeName == "Pig")
+        {
+            return (Pig)value;
+        }
+        return null;
+    }
+
+    /// <summary>
+    /// Casts IAnimal to Spider if the runtime type matches
+    /// </summary>
+    /// <param name="value">The interface value to cast</param>
+    /// <returns>Spider instance or null if type doesn't match</returns>
+    [GraphQLMember("Spider", true)]
+    public static Spider Spider(this IAnimal value)
+    {
+        if (value.__TypeName == "Spider")
+        {
+            return (Spider)value;
+        }
+        return null;
+    }
+
+}
+
+/// <summary>
+/// JSON converter for IAnimal interface deserialization
+/// </summary>
+internal class IAnimalConverter : InterfaceJsonConverter<IAnimal>
+{
+    /// <summary>
+    /// Deserializes JSON to the appropriate concrete type based on __typename
+    /// </summary>
+    /// <param name="typeName">The GraphQL type name from __typename field</param>
+    /// <param name="json">The JSON object to deserialize</param>
+    /// <returns>Deserialized instance of the appropriate concrete type</returns>
+    public override IAnimal Deserialize(string typeName, JsonObject json) => typeName switch
+    {
+        "Pig" => json.Deserialize<Pig>(),
+        "Spider" => json.Deserialize<Spider>(),
+        _ => json.Deserialize<IAnimal__Concrete>()
+    };
+}
+
+/// <summary>
+/// GraphQL interface IAnimal with all common fields
+/// </summary>
+[JsonConverter(typeof(IAnimalConverter))]
+public interface IAnimal 
+{
+    /// <summary>
+    /// name field from GraphQL schema
+    /// </summary>
+    [GraphQLMember("name")]
+    string Name { get; set; }
+
+    /// <summary>
+    /// numberOfLegs field from GraphQL schema
+    /// </summary>
+    [GraphQLMember("numberOfLegs")]
+    int NumberOfLegs { get; set; }
+
+    /// <summary>
+    /// GraphQL __typename field for runtime type resolution
+    /// </summary>
+    [GraphQLMember("__typename")]
+    string __TypeName { get; set; }
+}
+
+/// <summary>
+/// Concrete implementation of IAnimal interface for fallback deserialization
+/// </summary>
+internal class IAnimal__Concrete : IAnimal
+{
+    /// <summary>
+    /// name field from GraphQL schema
+    /// </summary>
+    [GraphQLMember("name")]
+    public string Name { get; set; }
+
+    /// <summary>
+    /// numberOfLegs field from GraphQL schema
+    /// </summary>
+    [GraphQLMember("numberOfLegs")]
+    public int NumberOfLegs { get; set; }
+
+    /// <summary>
+    /// GraphQL __typename field for runtime type resolution
+    /// </summary>
+    [GraphQLMember("__typename")]
+    public string __TypeName { get; set; }
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Interfaces/IMutationMethods.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Interfaces/IMutationMethods.cs
new file mode 100644
index 00000000..c632acad
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Interfaces/IMutationMethods.cs
@@ -0,0 +1,33 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+/// <summary>
+/// Interface for MutationMethods GraphQL operations
+/// </summary>
+public interface IMutationMethods
+{
+    /// <summary>
+    /// Executes setName GraphQL operation
+    /// </summary>
+    /// <param name="setName">The operation parameters</param>
+    /// <returns>GraphQL query result of type GraphQuery<string></returns>
+    GraphQuery<string> SetName(string name = null);
+
+    /// <summary>
+    /// Executes addCustomer GraphQL operation
+    /// </summary>
+    /// <param name="addCustomer">The operation parameters</param>
+    /// <returns>GraphQL query result of type GraphQuery<Customer></returns>
+    GraphQuery<Customer> AddCustomer(CustomerInput customer = null);
+
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Interfaces/IQueryMethods.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Interfaces/IQueryMethods.cs
new file mode 100644
index 00000000..8a385f14
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Interfaces/IQueryMethods.cs
@@ -0,0 +1,89 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+/// <summary>
+/// Interface for QueryMethods GraphQL operations
+/// </summary>
+public interface IQueryMethods
+{
+    /// <summary>
+    /// Executes hello GraphQL operation
+    /// </summary>
+    /// <param name="hello">The operation parameters</param>
+    /// <returns>GraphQL query result of type GraphQuery<string></returns>
+    GraphQuery<string> Hello(string name = null);
+
+    /// <summary>
+    /// Executes raiseError GraphQL operation
+    /// </summary>
+    /// <param name="raiseError">The operation parameters</param>
+    /// <returns>GraphQL query result of type GraphQuery<string></returns>
+    GraphQuery<string> RaiseError(string message = null);
+
+    /// <summary>
+    /// Executes raiseAuthError GraphQL operation
+    /// </summary>
+    /// <param name="raiseAuthError">The operation parameters</param>
+    /// <returns>GraphQL query result of type GraphQuery<string></returns>
+    GraphQuery<string> RaiseAuthError();
+
+    /// <summary>
+    /// Executes customerReturnNull GraphQL operation
+    /// </summary>
+    /// <param name="customerReturnNull">The operation parameters</param>
+    /// <returns>GraphQL query result of type GraphQuery<Customer></returns>
+    GraphQuery<Customer> CustomerReturnNull();
+
+    /// <summary>
+    /// Executes customers GraphQL operation
+    /// </summary>
+    /// <param name="customers">The operation parameters</param>
+    /// <returns>GraphQL query result of type GraphQuery<List<Customer>></returns>
+    GraphQuery<List<Customer>> Customers();
+
+    /// <summary>
+    /// Executes ordersNoBackwardPagination GraphQL operation
+    /// </summary>
+    /// <param name="ordersNoBackwardPagination">The operation parameters</param>
+    /// <returns>GraphQL query result of type GraphQuery<OrdersNoBackwardPaginationConnection></returns>
+    GraphQuery<OrdersNoBackwardPaginationConnection> OrdersNoBackwardPagination([global::System.ComponentModel.Description("Returns the first _n_ elements from the list.")] int? first = null, [global::System.ComponentModel.Description("Returns the elements in the list that come after the specified cursor.")] string after = null, OrderFilterInput where = null, List<OrderSortInput> order = null);
+
+    /// <summary>
+    /// Executes ordersNoTotalCount GraphQL operation
+    /// </summary>
+    /// <param name="ordersNoTotalCount">The operation parameters</param>
+    /// <returns>GraphQL query result of type GraphCursorQuery<OrdersNoTotalCountConnection></returns>
+    GraphCursorQuery<OrdersNoTotalCountConnection> OrdersNoTotalCount([global::System.ComponentModel.Description("Returns the first _n_ elements from the list.")] int? first = null, [global::System.ComponentModel.Description("Returns the elements in the list that come after the specified cursor.")] string after = null, [global::System.ComponentModel.Description("Returns the last _n_ elements from the list.")] int? last = null, [global::System.ComponentModel.Description("Returns the elements in the list that come before the specified cursor.")] string before = null, OrderFilterInput where = null, List<OrderSortInput> order = null);
+
+    /// <summary>
+    /// Executes orders GraphQL operation
+    /// </summary>
+    /// <param name="orders">The operation parameters</param>
+    /// <returns>GraphQL query result of type GraphCursorQuery<OrdersConnection></returns>
+    GraphCursorQuery<OrdersConnection> Orders([global::System.ComponentModel.Description("Returns the first _n_ elements from the list.")] int? first = null, [global::System.ComponentModel.Description("Returns the elements in the list that come after the specified cursor.")] string after = null, [global::System.ComponentModel.Description("Returns the last _n_ elements from the list.")] int? last = null, [global::System.ComponentModel.Description("Returns the elements in the list that come before the specified cursor.")] string before = null, OrderFilterInput where = null, List<OrderSortInput> order = null);
+
+    /// <summary>
+    /// Executes animals GraphQL operation
+    /// </summary>
+    /// <param name="animals">The operation parameters</param>
+    /// <returns>GraphQL query result of type GraphCursorQuery<AnimalsConnection></returns>
+    GraphCursorQuery<AnimalsConnection> Animals([global::System.ComponentModel.Description("Returns the first _n_ elements from the list.")] int? first = null, [global::System.ComponentModel.Description("Returns the elements in the list that come after the specified cursor.")] string after = null, [global::System.ComponentModel.Description("Returns the last _n_ elements from the list.")] int? last = null, [global::System.ComponentModel.Description("Returns the elements in the list that come before the specified cursor.")] string before = null, IAnimalFilterInput where = null, List<IAnimalSortInput> order = null);
+
+    /// <summary>
+    /// Executes ordersOffsetPaging GraphQL operation
+    /// </summary>
+    /// <param name="ordersOffsetPaging">The operation parameters</param>
+    /// <returns>GraphQL query result of type GraphCursorQuery<OrdersOffsetPagingConnection></returns>
+    GraphCursorQuery<OrdersOffsetPagingConnection> OrdersOffsetPaging([global::System.ComponentModel.Description("Returns the first _n_ elements from the list.")] int? first = null, [global::System.ComponentModel.Description("Returns the elements in the list that come after the specified cursor.")] string after = null, [global::System.ComponentModel.Description("Returns the last _n_ elements from the list.")] int? last = null, [global::System.ComponentModel.Description("Returns the elements in the list that come before the specified cursor.")] string before = null, OrderFilterInput where = null, List<OrderSortInput> order = null);
+
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Interfaces/ISampleClient.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Interfaces/ISampleClient.cs
new file mode 100644
index 00000000..9b47543d
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Interfaces/ISampleClient.cs
@@ -0,0 +1,17 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using Linq2GraphQL.TestClientStandalone.Runtime;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+public interface ISampleClient
+{
+    IQueryMethods Query { get; }
+    IMutationMethods Mutation { get; }
+    ISubscriptionMethods Subscription { get; }
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Interfaces/ISubscriptionMethods.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Interfaces/ISubscriptionMethods.cs
new file mode 100644
index 00000000..56f3c878
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Interfaces/ISubscriptionMethods.cs
@@ -0,0 +1,34 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+using Linq2GraphQL.TestClientStandalone.Runtime.Subscriptions;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+/// <summary>
+/// Interface for SubscriptionMethods GraphQL operations
+/// </summary>
+public interface ISubscriptionMethods
+{
+    /// <summary>
+    /// Executes customerAdded GraphQL operation
+    /// </summary>
+    /// <param name="customerAdded">The operation parameters</param>
+    /// <returns>GraphQL query result of type GraphSubscription<Customer></returns>
+    GraphSubscription<Customer> CustomerAdded();
+
+    /// <summary>
+    /// Executes customerNameAdded GraphQL operation
+    /// </summary>
+    /// <param name="customerNameAdded">The operation parameters</param>
+    /// <returns>GraphQL query result of type GraphSubscription<Customer></returns>
+    GraphSubscription<Customer> CustomerNameAdded(string name = null);
+
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/AI/AgentConfigurationException.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/AI/AgentConfigurationException.cs
new file mode 100644
index 00000000..c96dc9bb
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/AI/AgentConfigurationException.cs
@@ -0,0 +1,32 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+namespace Linq2GraphQL.TestClientStandalone.Runtime.AI;
+
+/// <summary>
+/// The agent configuration does not match the schema, for example an allowed operation or an omitted field
+/// that does not exist. Thrown when the agent tools are set up, so mistakes surface at startup rather than
+/// on the agent's first call.
+/// </summary>
+public class AgentConfigurationException : Exception
+{
+    public AgentConfigurationException(string message) : base(message)
+    {
+    }
+
+    public AgentConfigurationException(string message, Exception innerException) : base(message, innerException)
+    {
+    }
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/AI/AgentOptions.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/AI/AgentOptions.cs
new file mode 100644
index 00000000..71e4046a
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/AI/AgentOptions.cs
@@ -0,0 +1,226 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Linq.Expressions;
+using System.Reflection;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime.AI;
+
+/// <summary>
+/// What the agent may use and what it is told: allowed operations, omitted fields, descriptions and
+/// instructions. Everything is referenced through the generated client, so a schema rename breaks the build,
+/// and is checked against the schema when the tools are set up.
+/// </summary>
+public sealed class AgentOptions<TClient>
+{
+    internal List<OperationOptions> AllowedQueries { get; } = [];
+    internal AllowAllQueriesOptions<TClient> AllowAll { get; private set; }
+    internal List<MemberReference> Omitted { get; } = [];
+    internal List<DescriptionOverride> Descriptions { get; } = [];
+    internal List<string> InstructionTexts { get; } = [];
+    internal List<ExampleDefinition<TClient>> Examples { get; } = [];
+    internal List<Action<AgentQueryLog>> QueryLoggers { get; } = [];
+
+    /// <summary>
+    /// The access token for the user or conversation the agent acts for, asked for on every request, for
+    /// example an on-behalf-of token from your token acquisition library. Leave it unset to use the client's
+    /// own configuration.
+    /// </summary>
+    public Func<CancellationToken, ValueTask<string>> AccessToken { get; set; }
+
+    /// <summary>
+    /// An example of a common task, written with the typed client, for example
+    /// <c>o.Example("Recent orders", "A customer's most recent orders", c =&gt; c.Query.Customer(id: "4711").Select(...))</c>.
+    /// It is checked by the compiler, validated against the scope when the tools are set up, and shown to the
+    /// agent as GraphQL. A task that always runs the same way is better as a dedicated tool.
+    /// </summary>
+    public AgentOptions<TClient> Example<T, TResult>(string name, string description,
+        Func<TClient, GraphBaseExecute<T, TResult>> query)
+    {
+        ArgumentException.ThrowIfNullOrWhiteSpace(name);
+        ArgumentException.ThrowIfNullOrWhiteSpace(description);
+        ArgumentNullException.ThrowIfNull(query);
+        Examples.Add(new ExampleDefinition<TClient>(name, description, client => query(client).GetRequest()));
+        return this;
+    }
+
+    /// <summary>
+    /// Called for every query the agent runs or tries to run: the query, its variables, validation errors if it
+    /// was rejected, server errors and duration. Use it to see what the agent actually does; repeated queries
+    /// are candidates for dedicated tools.
+    /// </summary>
+    public AgentOptions<TClient> OnQuery(Action<AgentQueryLog> log)
+    {
+        ArgumentNullException.ThrowIfNull(log);
+        QueryLoggers.Add(log);
+        return this;
+    }
+
+    /// <summary>
+    /// Allows the agent to call a query, for example <c>o.AllowQuery(c =&gt; c.Query.Customers)</c>.
+    /// </summary>
+    public OperationOptions AllowQuery(Expression<Func<TClient, Delegate>> operation)
+    {
+        var options = new OperationOptions(ExpressionReferences.Method(operation));
+        AllowedQueries.Add(options);
+        return options;
+    }
+
+    /// <summary>
+    /// Allows every query in the schema, for the fastest start. Never the default; narrow it with
+    /// <see cref="AllowAllQueriesOptions{TClient}.Except"/>. Rendering, validation, omitted fields and
+    /// descriptions still apply.
+    /// </summary>
+    public AllowAllQueriesOptions<TClient> AllowAllQueries()
+    {
+        AllowAll ??= new AllowAllQueriesOptions<TClient>();
+        return AllowAll;
+    }
+
+    /// <summary>
+    /// Describes a type to the agent, replacing the schema's description unless <paramref name="append"/> is set.
+    /// </summary>
+    public AgentOptions<TClient> Describe<T>(string description, bool append = false)
+    {
+        Descriptions.Add(new DescriptionOverride(new MemberReference(typeof(T), null, null), description, append));
+        return this;
+    }
+
+    /// <summary>
+    /// Describes a field or input field to the agent, for example <c>o.Describe&lt;Customer&gt;(c =&gt; c.Status, "...")</c>.
+    /// </summary>
+    public AgentOptions<TClient> Describe<T>(Expression<Func<T, object>> field, string description, bool append = false)
+    {
+        Descriptions.Add(new DescriptionOverride(ExpressionReferences.Member(field), description, append));
+        return this;
+    }
+
+    /// <summary>
+    /// Describes an enum value to the agent, for example <c>o.Describe(CustomerStatus.Active, "...")</c>.
+    /// </summary>
+    public AgentOptions<TClient> Describe<TEnum>(TEnum value, string description, bool append = false)
+        where TEnum : struct, Enum
+    {
+        Descriptions.Add(new DescriptionOverride(ExpressionReferences.EnumValue(value), description, append));
+        return this;
+    }
+
+    /// <summary>
+    /// Removes a field or input field from the agent's scope: it is neither described nor accepted in queries.
+    /// Use it for noise and for data the agent shouldn't touch or its token can't read. The server and the
+    /// token remain the security boundary for everything else.
+    /// </summary>
+    public AgentOptions<TClient> Omit<T>(Expression<Func<T, object>> field)
+    {
+        Omitted.Add(ExpressionReferences.Member(field));
+        return this;
+    }
+
+    /// <summary>
+    /// General guidance for the agent, for example "All dates are UTC."
+    /// </summary>
+    public AgentOptions<TClient> Instructions(string instructions)
+    {
+        ArgumentException.ThrowIfNullOrWhiteSpace(instructions);
+        InstructionTexts.Add(instructions);
+        return this;
+    }
+}
+
+/// <summary>
+/// Settings for one allowed operation.
+/// </summary>
+public sealed class OperationOptions
+{
+    internal OperationOptions(MethodInfo method)
+    {
+        Method = method;
+    }
+
+    internal MethodInfo Method { get; }
+    internal (string Text, bool Append)? Description { get; private set; }
+    internal List<(string Argument, string Text, bool Append)> ArgumentDescriptions { get; } = [];
+
+    /// <summary>
+    /// Describes the operation to the agent, replacing the schema's description unless <paramref name="append"/> is set.
+    /// </summary>
+    public OperationOptions Describe(string description, bool append = false)
+    {
+        ArgumentException.ThrowIfNullOrWhiteSpace(description);
+        Description = (description, append);
+        return this;
+    }
+
+    /// <summary>
+    /// Describes one of the operation's arguments by its GraphQL name, for example <c>.Argument("first", "Max 50.")</c>.
+    /// </summary>
+    public OperationOptions Argument(string name, string description, bool append = false)
+    {
+        ArgumentException.ThrowIfNullOrWhiteSpace(name);
+        ArgumentException.ThrowIfNullOrWhiteSpace(description);
+        ArgumentDescriptions.Add((name, description, append));
+        return this;
+    }
+}
+
+/// <summary>
+/// Settings for <see cref="AgentOptions{TClient}.AllowAllQueries"/>.
+/// </summary>
+public sealed class AllowAllQueriesOptions<TClient>
+{
+    internal List<MethodInfo> Excluded { get; } = [];
+
+    /// <summary>
+    /// Keeps these queries out of the allow-list, for example <c>.Except(c =&gt; c.Query.AuditLog)</c>.
+    /// </summary>
+    public AllowAllQueriesOptions<TClient> Except(params Expression<Func<TClient, Delegate>>[] operations)
+    {
+        Excluded.AddRange(operations.Select(ExpressionReferences.Method));
+        return this;
+    }
+}
+
+/// <summary>
+/// A reference to a generated type, or one of its members or enum values, resolved against the schema later.
+/// </summary>
+internal sealed record MemberReference(Type ClrType, MemberInfo Member, string EnumValue)
+{
+    public override string ToString() => Member != null ? $"{ClrType.Name}.{Member.Name}"
+        : EnumValue != null ? $"{ClrType.Name}.{EnumValue}"
+        : ClrType.Name;
+}
+
+internal sealed record DescriptionOverride(MemberReference Target, string Text, bool Append);
+
+internal sealed record ExampleDefinition<TClient>(string Name, string Description, Func<TClient, GraphQLRequest> Request);
+
+/// <summary>
+/// One query the agent ran or tried to run, for <see cref="AgentOptions{TClient}.OnQuery"/>.
+/// </summary>
+/// <param name="Query">The GraphQL text the agent wrote.</param>
+/// <param name="Variables">The variables as JSON, or null.</param>
+/// <param name="ValidationErrors">Why the query was rejected before sending; empty when it was sent.</param>
+/// <param name="Errors">GraphQL or request errors from the server; empty when there were none.</param>
+/// <param name="Duration">Time spent validating and, if sent, executing.</param>
+public sealed record AgentQueryLog(
+    string Query,
+    string Variables,
+    IReadOnlyList<string> ValidationErrors,
+    IReadOnlyList<string> Errors,
+    TimeSpan Duration)
+{
+    /// <summary>Whether the query passed validation and was sent.</summary>
+    public bool WasSent => ValidationErrors.Count == 0;
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/AI/AgentToolsExtensions.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/AI/AgentToolsExtensions.cs
new file mode 100644
index 00000000..92a69354
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/AI/AgentToolsExtensions.cs
@@ -0,0 +1,113 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using System.ComponentModel;
+using System.Text.Json;
+using Linq2GraphQL.TestClientStandalone.Runtime.AI.Schema;
+using Linq2GraphQL.TestClientStandalone.Runtime.AI.Tools;
+using Microsoft.Extensions.AI;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime.AI;
+
+/// <summary>
+/// Turns a generated client into agent tools: <c>graphql_query</c>, <c>describe_operation</c>,
+/// <c>describe_type</c> and <c>search_schema</c>, as Microsoft.Extensions.AI <see cref="AIFunction"/>s that
+/// plug into any agent built on it. The agent writes GraphQL; the tools keep it inside the configured scope.
+/// </summary>
+public static class AgentToolsExtensions
+{
+    /// <summary>
+    /// The agent tools for a client generated with <c>--agent</c>, using the schema it was generated from.
+    /// Create them per user or conversation when <see cref="AgentOptions{TClient}.AccessToken"/> is set.
+    /// </summary>
+    /// <exception cref="AgentConfigurationException">The configuration does not match the schema.</exception>
+    public static IList<AIFunction> AsAgentTools<TClient>(this TClient client, Action<AgentOptions<TClient>> configure)
+        where TClient : IGraphClientSource<TClient>, IGraphSchemaSource
+    {
+        return client.AsAgentTools(TClient.Sdl, configure);
+    }
+
+    /// <summary>
+    /// The agent tools for any generated client, with the schema given as SDL, for example a schema file
+    /// exported from the server.
+    /// </summary>
+    /// <exception cref="AgentConfigurationException">The configuration does not match the schema.</exception>
+    public static IList<AIFunction> AsAgentTools<TClient>(this TClient client, string sdl,
+        Action<AgentOptions<TClient>> configure)
+        where TClient : IGraphClientSource<TClient>
+    {
+        ArgumentNullException.ThrowIfNull(client);
+        ArgumentException.ThrowIfNullOrWhiteSpace(sdl);
+        ArgumentNullException.ThrowIfNull(configure);
+
+        var options = new AgentOptions<TClient>();
+        configure(options);
+
+        var schema = ScopedSchema.Create(SdlReader.Read(sdl), options);
+
+        // Everything the agent causes goes through this client, so the user's token applies to raw and
+        // typed queries alike.
+        var agentClient = options.AccessToken == null
+            ? client
+            : client.WithRequestConfiguration(RequestConfigurations.BearerToken(options.AccessToken));
+
+        schema.SetExamples(options.Examples.Select(example =>
+        {
+            var request = example.Request(agentClient);
+            var (query, tidyVariables) = ExampleFormatter.Tidy(request.Query, request.Variables);
+            var variables = tidyVariables is { Count: > 0 }
+                ? JsonSerializer.Serialize(tidyVariables, agentClient.GraphClient.SerializerOptions)
+                : null;
+            return (example.Name, example.Description, query, variables);
+        }));
+
+        var tools = new AgentToolset(schema, agentClient.GraphClient, options.QueryLoggers.ToList());
+        return Create(tools);
+    }
+
+    private static List<AIFunction> Create(AgentToolset tools)
+    {
+        return
+        [
+            AIFunctionFactory.Create(
+                ([Description("A GraphQL query document, for example `query { customers { name } }`. Only queries are allowed.")]
+                    string query,
+                    [Description("Values for the variables the query declares, as a JSON object. Omit when there are none.")]
+                    JsonElement? variables = null,
+                    CancellationToken cancellationToken = default) =>
+                    tools.QueryAsync(query, variables, cancellationToken),
+                "graphql_query",
+                "Runs a read-only GraphQL query and returns the data as JSON. The query is checked first; if it is " +
+                "invalid nothing is sent and the errors say how to fix it. Use describe_operation for an operation's " +
+                "arguments and a starter query, describe_type for a type's fields, and search_schema to find a name.\n\n" +
+                tools.Index),
+            AIFunctionFactory.Create(
+                ([Description("Names of the operations to describe, as listed under Queries.")] string[] names) =>
+                    tools.DescribeOperations(names),
+                "describe_operation",
+                "Describes operations: arguments with filters and sorting, the return type, a starter query to adapt, " +
+                "and examples."),
+            AIFunctionFactory.Create(
+                ([Description("Names of the types to describe.")] string[] names) => tools.DescribeTypes(names),
+                "describe_type",
+                "Describes types in full: fields, arguments and descriptions, plus the types they use."),
+            AIFunctionFactory.Create(
+                ([Description("A word to search for in names and descriptions.")] string text) => tools.Search(text),
+                "search_schema",
+                "Finds operations, examples, types, fields and enum values by name or description, when you don't " +
+                "know what something is called.")
+        ];
+    }
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/AI/ExpressionReferences.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/AI/ExpressionReferences.cs
new file mode 100644
index 00000000..89915576
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/AI/ExpressionReferences.cs
@@ -0,0 +1,83 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Linq.Expressions;
+using System.Reflection;
+using System.Runtime.Serialization;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime.AI;
+
+/// <summary>
+/// Turns the typed expressions of the agent configuration into references to generated members.
+/// </summary>
+internal static class ExpressionReferences
+{
+    /// <summary>
+    /// The operation method behind <c>c =&gt; c.Query.Customers</c>. A method group in an expression tree
+    /// becomes a call to <see cref="MethodInfo.CreateDelegate(Type, object)"/> on a constant MethodInfo.
+    /// </summary>
+    public static MethodInfo Method<TClient>(Expression<Func<TClient, Delegate>> operation)
+    {
+        ArgumentNullException.ThrowIfNull(operation);
+
+        var body = operation.Body is UnaryExpression { NodeType: ExpressionType.Convert } convert
+            ? convert.Operand
+            : operation.Body;
+
+        if (body is MethodCallExpression { Method.Name: nameof(MethodInfo.CreateDelegate) } call)
+        {
+            var method = (call.Object as ConstantExpression ?? call.Arguments.OfType<ConstantExpression>().LastOrDefault())
+                ?.Value as MethodInfo;
+            if (method != null)
+            {
+                return method;
+            }
+        }
+
+        throw new ArgumentException(
+            $"Expected an operation such as c => c.Query.Customers, but got {operation}.", nameof(operation));
+    }
+
+    /// <summary>
+    /// The property behind <c>c =&gt; c.Status</c>.
+    /// </summary>
+    public static MemberReference Member<T>(Expression<Func<T, object>> field)
+    {
+        ArgumentNullException.ThrowIfNull(field);
+
+        var body = field.Body is UnaryExpression { NodeType: ExpressionType.Convert } convert
+            ? convert.Operand
+            : field.Body;
+
+        if (body is MemberExpression { Member: PropertyInfo property } member && member.Expression is ParameterExpression)
+        {
+            return new MemberReference(typeof(T), property, null);
+        }
+
+        throw new ArgumentException(
+            $"Expected a field of {typeof(T).Name} such as c => c.Name, but got {field}.", nameof(field));
+    }
+
+    /// <summary>
+    /// The GraphQL name of a generated enum value, taken from its <see cref="EnumMemberAttribute"/>.
+    /// </summary>
+    public static MemberReference EnumValue<TEnum>(TEnum value) where TEnum : struct, Enum
+    {
+        var name = value.ToString();
+        var member = typeof(TEnum).GetField(name);
+        var graphQLName = member?.GetCustomAttribute<EnumMemberAttribute>()?.Value ?? name;
+        return new MemberReference(typeof(TEnum), null, graphQLName);
+    }
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/AI/Schema/ExampleFormatter.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/AI/Schema/ExampleFormatter.cs
new file mode 100644
index 00000000..57ee7fb9
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/AI/Schema/ExampleFormatter.cs
@@ -0,0 +1,111 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Text;
+using System.Text.RegularExpressions;
+using GraphQLParser;
+using GraphQLParser.AST;
+using GraphQLParser.Visitors;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime.AI.Schema;
+
+/// <summary>
+/// Makes a query built by the typed client read like one a person would write, so the agent can copy and adapt
+/// it: variables lose the client's uniqueness suffixes (<c>$name_1_1</c> becomes <c>$name</c>) where that stays
+/// unambiguous, and the document is re-printed on one line with regular spacing.
+/// </summary>
+internal static partial class ExampleFormatter
+{
+    [GeneratedRegex(@"(_\d+)+$")]
+    private static partial Regex UniquenessSuffix();
+
+    public static (string Query, Dictionary<string, object> Variables) Tidy(string query,
+        IReadOnlyDictionary<string, object> variables)
+    {
+        var document = Parser.Parse(query);
+        var declared = document.Definitions.OfType<GraphQLOperationDefinition>()
+            .SelectMany(e => e.Variables?.Items ?? [])
+            .Select(e => e.Variable.Name.StringValue)
+            .ToList();
+
+        var renames = new Dictionary<string, string>();
+        foreach (var name in declared)
+        {
+            var plain = UniquenessSuffix().Replace(name, "");
+            var clashes = declared.Count(e => UniquenessSuffix().Replace(e, "") == plain) > 1 ||
+                          (plain != name && declared.Contains(plain));
+            if (plain != name && plain.Length > 0 && !clashes)
+            {
+                renames[name] = plain;
+            }
+        }
+
+        foreach (var (from, to) in renames)
+        {
+            query = Regex.Replace(query, $@"\${Regex.Escape(from)}\b", "$" + to);
+        }
+
+        var tidyVariables = variables?.ToDictionary(e => renames.GetValueOrDefault(e.Key, e.Key), e => e.Value);
+        var printed = new SDLPrinter().Print(Parser.Parse(query));
+        return (OneLine(printed), tidyVariables);
+    }
+
+    /// <summary>
+    /// Collapses whitespace to single spaces outside string literals.
+    /// </summary>
+    private static string OneLine(string text)
+    {
+        var result = new StringBuilder();
+        var inString = false;
+        var pendingSpace = false;
+
+        for (var i = 0; i < text.Length; i++)
+        {
+            var c = text[i];
+            if (inString)
+            {
+                result.Append(c);
+                if (c == '\\' && i + 1 < text.Length)
+                {
+                    result.Append(text[++i]);
+                }
+                else if (c == '"')
+                {
+                    inString = false;
+                }
+
+                continue;
+            }
+
+            if (char.IsWhiteSpace(c))
+            {
+                pendingSpace = true;
+                continue;
+            }
+
+            var spaceBefore = c == '{' || pendingSpace && c is not ('(' or ')' or ']' or ':' or ',');
+            if (spaceBefore && result.Length > 0 && result[^1] is not ('(' or '[' or '$' or ' '))
+            {
+                result.Append(' ');
+            }
+
+            result.Append(c);
+            inString = c == '"';
+            pendingSpace = c is ':' or ',';
+        }
+
+        return result.ToString();
+    }
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/AI/Schema/NameSuggestions.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/AI/Schema/NameSuggestions.cs
new file mode 100644
index 00000000..7936d0e6
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/AI/Schema/NameSuggestions.cs
@@ -0,0 +1,87 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+namespace Linq2GraphQL.TestClientStandalone.Runtime.AI.Schema;
+
+/// <summary>
+/// "Did you mean" suggestions and capped name lists, so every message to the agent says what it can use instead.
+/// </summary>
+internal static class NameSuggestions
+{
+    private const int MaxListedNames = 15;
+
+    /// <summary>
+    /// " Did you mean `x`?" for a near miss, followed by the available names.
+    /// </summary>
+    public static string Suggest(string name, IEnumerable<string> candidates)
+    {
+        var list = candidates.ToList();
+        var closest = Closest(name, list);
+        var suggestion = closest == null ? "" : $" Did you mean `{closest}`?";
+        return list.Count == 0 ? suggestion : $"{suggestion} Available: {List(list)}.";
+    }
+
+    /// <summary>
+    /// A near miss by spelling, or else a name that ends with the guessed one as a camelCase word: agents
+    /// often ask for <c>name</c> or <c>id</c> where the schema has <c>customerName</c> or <c>customerId</c>.
+    /// </summary>
+    public static string Closest(string name, IEnumerable<string> candidates)
+    {
+        var list = candidates as IList<string> ?? candidates.ToList();
+        return list
+                   .Select(e => (Name: e, Distance: Distance(name.ToLowerInvariant(), e.ToLowerInvariant())))
+                   .Where(e => e.Distance <= Math.Max(2, name.Length / 3))
+                   .OrderBy(e => e.Distance)
+                   .Select(e => e.Name)
+                   .FirstOrDefault()
+               ?? list
+                   .Where(e => EndsWithWord(e, name))
+                   .OrderBy(e => e.Length)
+                   .FirstOrDefault();
+    }
+
+    private static bool EndsWithWord(string candidate, string word) =>
+        word.Length > 0
+        && candidate.Length > word.Length
+        && candidate.EndsWith(word, StringComparison.OrdinalIgnoreCase)
+        && (char.IsUpper(candidate[^word.Length]) || candidate[^(word.Length + 1)] == '_');
+
+    public static string List(IEnumerable<string> names)
+    {
+        var list = names.ToList();
+        return list.Count <= MaxListedNames
+            ? string.Join(", ", list)
+            : string.Join(", ", list.Take(MaxListedNames)) + $" and {list.Count - MaxListedNames} more";
+    }
+
+    private static int Distance(string a, string b)
+    {
+        var previous = Enumerable.Range(0, b.Length + 1).ToArray();
+        for (var i = 1; i <= a.Length; i++)
+        {
+            var current = new int[b.Length + 1];
+            current[0] = i;
+            for (var j = 1; j <= b.Length; j++)
+            {
+                var cost = a[i - 1] == b[j - 1] ? 0 : 1;
+                current[j] = Math.Min(Math.Min(current[j - 1] + 1, previous[j] + 1), previous[j - 1] + cost);
+            }
+
+            previous = current;
+        }
+
+        return previous[b.Length];
+    }
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/AI/Schema/QueryValidator.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/AI/Schema/QueryValidator.cs
new file mode 100644
index 00000000..1c22b94e
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/AI/Schema/QueryValidator.cs
@@ -0,0 +1,629 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Text.Json;
+using GraphQLParser;
+using GraphQLParser.AST;
+using GraphQLParser.Exceptions;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime.AI.Schema;
+
+/// <summary>
+/// One problem with a query, at a path such as <c>orders(where).customer.status</c>.
+/// </summary>
+internal sealed record ValidationError(string Path, string Message)
+{
+    public override string ToString() => string.IsNullOrEmpty(Path) ? Message : $"{Path}: {Message}";
+}
+
+internal sealed class ValidationResult(IReadOnlyList<ValidationError> errors)
+{
+    public IReadOnlyList<ValidationError> Errors { get; } = errors;
+
+    public bool IsValid => Errors.Count == 0;
+
+    public override string ToString() => string.Join("\n", Errors);
+}
+
+/// <summary>
+/// Checks a query the agent wrote against the scoped schema before it is sent: one query operation, allowed
+/// roots, fields that exist and aren't omitted, arguments, input objects (filters included), enum values and
+/// variables, with fragments followed through their type conditions. Aliases don't matter because the check
+/// uses real field names. Variable values are checked too, so an omitted field cannot be passed in through
+/// variables. All errors are returned at once, each saying where and what to do instead.
+/// </summary>
+internal sealed class QueryValidator(ScopedSchema schema)
+{
+
+
+    private readonly SchemaModel model = schema.Schema;
+    private readonly SchemaShape shape = new(schema.Schema);
+
+    /// <summary>
+    /// The root fields a valid query selects, following fragments at the root.
+    /// </summary>
+    public static IReadOnlyList<string> RootFields(string query)
+    {
+        var document = Parser.Parse(query);
+        var fragments = document.Definitions.OfType<GraphQLFragmentDefinition>()
+            .ToDictionary(e => Name(e.FragmentName.Name));
+        var names = new List<string>();
+
+        void Collect(GraphQLSelectionSet selectionSet, HashSet<string> seen)
+        {
+            foreach (var selection in selectionSet.Selections)
+            {
+                switch (selection)
+                {
+                    case GraphQLField field when Name(field.Name) != "__typename":
+                        names.Add(Name(field.Name));
+                        break;
+                    case GraphQLInlineFragment inline:
+                        Collect(inline.SelectionSet, seen);
+                        break;
+                    case GraphQLFragmentSpread spread when fragments.TryGetValue(Name(spread.FragmentName.Name), out var fragment) &&
+                                                          seen.Add(Name(spread.FragmentName.Name)):
+                        Collect(fragment.SelectionSet, seen);
+                        break;
+                }
+            }
+        }
+
+        Collect(document.Definitions.OfType<GraphQLOperationDefinition>().Single().SelectionSet, []);
+        return names.Distinct().ToList();
+    }
+
+    public ValidationResult Validate(string query, JsonElement? variables = null)
+    {
+        var run = new Run(this);
+        run.Validate(query, variables);
+        return new ValidationResult(run.Errors);
+    }
+
+    private sealed class Run(QueryValidator validator)
+    {
+        private readonly SchemaModel model = validator.model;
+        private readonly SchemaShape shape = validator.shape;
+        private readonly Dictionary<string, GraphQLFragmentDefinition> fragments = new();
+        private readonly Dictionary<string, TypeRef> declaredVariables = new();
+
+        public List<ValidationError> Errors { get; } = [];
+
+        public void Validate(string query, JsonElement? variables)
+        {
+            if (string.IsNullOrWhiteSpace(query))
+            {
+                Error("", "The query is empty.");
+                return;
+            }
+
+            GraphQLDocument document;
+            try
+            {
+                document = Parser.Parse(query);
+            }
+            catch (GraphQLParserException ex)
+            {
+                Error("", $"Syntax error: {ex.Message}");
+                return;
+            }
+
+            foreach (var fragment in document.Definitions.OfType<GraphQLFragmentDefinition>())
+            {
+                fragments[Name(fragment.FragmentName.Name)] = fragment;
+            }
+
+            var operations = document.Definitions.OfType<GraphQLOperationDefinition>().ToList();
+            if (document.Definitions.Any(e => e is not (GraphQLOperationDefinition or GraphQLFragmentDefinition)))
+            {
+                Error("", "Only a query and its fragments can be sent; schema definitions are not allowed.");
+            }
+
+            if (operations.Count != 1)
+            {
+                Error("", operations.Count == 0
+                    ? "The document has no operation. Send one query, for example `query { ... }`."
+                    : "Send one operation per call.");
+                return;
+            }
+
+            var operation = operations[0];
+            if (operation.Operation != GraphQLParser.AST.OperationType.Query)
+            {
+                Error("", $"Only queries are allowed; this is a {operation.Operation.ToString().ToLowerInvariant()}.");
+                return;
+            }
+
+            ValidateVariableDefinitions(operation, variables);
+            ValidateSelections(model.Type(model.QueryType), operation.SelectionSet, "", []);
+        }
+
+        private void ValidateVariableDefinitions(GraphQLOperationDefinition operation, JsonElement? variables)
+        {
+            foreach (var definition in operation.Variables?.Items ?? [])
+            {
+                var name = Name(definition.Variable.Name);
+                var type = TypeRefOf(definition.Type);
+                var path = "$" + name;
+
+                if (model.Type(type.NamedType) is not { } namedType)
+                {
+                    Error(path, $"Type {type.NamedType} is not available.{NameSuggestions.Suggest(type.NamedType, InputTypeNames())}");
+                    continue;
+                }
+
+                if (namedType.Kind is not (SchemaTypeKind.Scalar or SchemaTypeKind.Enum or SchemaTypeKind.InputObject))
+                {
+                    Error(path, $"{namedType.Name} is an output type and cannot be a variable.");
+                    continue;
+                }
+
+                declaredVariables[name] = type;
+
+                if (definition.DefaultValue != null)
+                {
+                    ValidateValue(definition.DefaultValue, type, path);
+                }
+
+                if (variables is { ValueKind: JsonValueKind.Object } values && values.TryGetProperty(name, out var value))
+                {
+                    ValidateJson(value, type, path);
+                }
+                else if (type.IsNonNull && definition.DefaultValue == null)
+                {
+                    Error(path, $"Variable ${name} is required ({type}) but no value was given.");
+                }
+            }
+
+            if (variables is { ValueKind: JsonValueKind.Object } given)
+            {
+                foreach (var property in given.EnumerateObject().Where(e => !declaredVariables.ContainsKey(e.Name)))
+                {
+                    Error("$" + property.Name, $"Variable ${property.Name} is not declared in the query.");
+                }
+            }
+        }
+
+        private void ValidateSelections(SchemaType parent, GraphQLSelectionSet selectionSet, string path,
+            HashSet<string> fragmentsInUse)
+        {
+            foreach (var selection in selectionSet.Selections)
+            {
+                switch (selection)
+                {
+                    case GraphQLField field:
+                        ValidateField(parent, field, path, fragmentsInUse);
+                        break;
+                    case GraphQLFragmentSpread spread:
+                        ValidateFragmentSpread(parent, spread, path, fragmentsInUse);
+                        break;
+                    case GraphQLInlineFragment inline:
+                        ValidateDirectives(inline.Directives, path);
+                        var type = inline.TypeCondition == null
+                            ? parent
+                            : FragmentType(parent, Name(inline.TypeCondition.Type.Name), path);
+                        if (type != null)
+                        {
+                            ValidateSelections(type, inline.SelectionSet, path, fragmentsInUse);
+                        }
+
+                        break;
+                }
+            }
+        }
+
+        private void ValidateFragmentSpread(SchemaType parent, GraphQLFragmentSpread spread, string path,
+            HashSet<string> fragmentsInUse)
+        {
+            ValidateDirectives(spread.Directives, path);
+
+            var name = Name(spread.FragmentName.Name);
+            if (!fragments.TryGetValue(name, out var fragment))
+            {
+                Error(path, $"Fragment {name} is not defined.");
+                return;
+            }
+
+            if (!fragmentsInUse.Add(name))
+            {
+                Error(path, $"Fragment {name} spreads itself.");
+                return;
+            }
+
+            if (FragmentType(parent, Name(fragment.TypeCondition.Type.Name), path) is { } type)
+            {
+                ValidateSelections(type, fragment.SelectionSet, path, fragmentsInUse);
+            }
+
+            fragmentsInUse.Remove(name);
+        }
+
+        /// <summary>
+        /// The type a fragment selects on, if it exists in scope and can apply where it is spread.
+        /// </summary>
+        private SchemaType FragmentType(SchemaType parent, string typeName, string path)
+        {
+            if (model.Type(typeName) is not { } type)
+            {
+                Error(path, $"Type {typeName} is not available.");
+                return null;
+            }
+
+            var applies = type.Name == parent.Name ||
+                          parent.PossibleTypes.Contains(type.Name) ||
+                          type.PossibleTypes.Contains(parent.Name) ||
+                          type.PossibleTypes.Intersect(parent.PossibleTypes).Any();
+            if (!applies && shape.ConnectionOf(parent.Name) is { } connection &&
+                (connection.NodeType == type.Name || model.Type(connection.NodeType)?.PossibleTypes.Contains(type.Name) == true))
+            {
+                var pageField = connection.HasNodes ? "nodes" : "edges { node";
+                var close = connection.HasNodes ? "}" : "} }";
+                Error(path, $"This field is paged; put `... on {type.Name}` inside `{pageField} {{ ... on {type.Name} {{ ... }} {close}`, " +
+                            "for example `{ nodes { __typename ... on " + type.Name + " { ... } } pageInfo { hasNextPage endCursor } }`.");
+                return null;
+            }
+
+            if (!applies)
+            {
+                Error(path, $"A fragment on {type.Name} cannot apply to {parent.Name}.");
+                return null;
+            }
+
+            return type;
+        }
+
+        private void ValidateField(SchemaType parent, GraphQLField field, string parentPath,
+            HashSet<string> fragmentsInUse)
+        {
+            var name = Name(field.Name);
+            var path = Join(parentPath, name);
+            ValidateDirectives(field.Directives, path);
+
+            if (name == "__typename")
+            {
+                return;
+            }
+
+            if (name is "__schema" or "__type")
+            {
+                Error(path, "Introspection is not available. Use describe_operation, describe_type and search_schema to explore the schema.");
+                return;
+            }
+
+            var definition = parent.Field(name);
+            if (definition == null)
+            {
+                Error(path, MissingField(parent, name));
+                return;
+            }
+
+            ValidateArguments(definition, field, path);
+
+            var type = model.Type(definition.Type.NamedType);
+            var isLeaf = type.Kind is SchemaTypeKind.Scalar or SchemaTypeKind.Enum;
+
+            if (isLeaf && field.SelectionSet != null)
+            {
+                Error(path, $"{name} is a {type.Name} and has no fields to select. Remove `{{ ... }}`.");
+            }
+            else if (!isLeaf && field.SelectionSet == null)
+            {
+                Error(path, $"{name} returns {SelectionHint(type)}; select fields, for example `{name} {{ {ExampleFields(type)} }}`.");
+            }
+            else if (!isLeaf)
+            {
+                ValidateSelections(type, field.SelectionSet, path, fragmentsInUse);
+            }
+        }
+
+        private string MissingField(SchemaType parent, string name)
+        {
+            if (parent.Name == model.QueryType)
+            {
+                return $"Query {name} is not available.{NameSuggestions.Suggest(name, parent.Fields.Select(e => e.Name))}";
+            }
+
+            if (shape.ConnectionOf(parent.Name) is { } connection)
+            {
+                var pageField = connection.HasNodes ? "nodes" : "edges { node";
+                var close = connection.HasNodes ? "}" : "} }";
+                return $"This field is paged; select {name} inside `{pageField} {{ {name} {close}`, " +
+                       "for example `{ nodes { ... } pageInfo { hasNextPage endCursor } }`.";
+            }
+
+            return parent.Kind == SchemaTypeKind.Union
+                ? $"{parent.Name} is a union; select fields inside `... on {string.Join(" / ", parent.PossibleTypes)} {{ ... }}`."
+                : $"{parent.Name} has no field {name}.{NameSuggestions.Suggest(name, parent.Fields.Select(e => e.Name))}";
+        }
+
+        private void ValidateArguments(SchemaField definition, GraphQLField field, string path)
+        {
+            var given = field.Arguments?.Items ?? [];
+            foreach (var argument in given)
+            {
+                var name = Name(argument.Name);
+                var argumentPath = $"{path}({name})";
+                var argumentDefinition = definition.Arguments.FirstOrDefault(e => e.Name == name);
+                if (argumentDefinition == null)
+                {
+                    Error(argumentPath, $"{definition.Name} has no argument {name}." +
+                                        NameSuggestions.Suggest(name, definition.Arguments.Select(e => e.Name)));
+                    continue;
+                }
+
+                ValidateValue(argument.Value, argumentDefinition.Type, argumentPath);
+            }
+
+            foreach (var required in definition.Arguments.Where(e =>
+                         e.Type.IsNonNull && e.DefaultValue == null && given.All(g => Name(g.Name) != e.Name)))
+            {
+                Error(path, $"Argument {required.Name} ({required.Type}) is required.");
+            }
+        }
+
+        private void ValidateDirectives(GraphQLDirectives directives, string path)
+        {
+            foreach (var directive in directives?.Items ?? [])
+            {
+                var name = Name(directive.Name);
+                if (name is not ("include" or "skip"))
+                {
+                    Error(path, $"Directive @{name} is not supported; only @include and @skip are.");
+                }
+            }
+        }
+
+        private void ValidateValue(GraphQLValue value, TypeRef expected, string path)
+        {
+            if (value is GraphQLVariable variable)
+            {
+                var name = Name(variable.Name);
+                if (!declaredVariables.TryGetValue(name, out var declared))
+                {
+                    Error(path, $"Variable ${name} is not declared. Declare it, for example `query(${name}: {expected})`.");
+                }
+                else if (declared.NamedType != expected.NamedType)
+                {
+                    Error(path, $"Variable ${name} is declared as {declared} but {expected} is expected here.");
+                }
+
+                return;
+            }
+
+            if (value is GraphQLNullValue)
+            {
+                if (expected.IsNonNull)
+                {
+                    Error(path, $"A value is required ({expected}).");
+                }
+
+                return;
+            }
+
+            if (expected.IsNonNull)
+            {
+                ValidateValue(value, expected.OfType, path);
+                return;
+            }
+
+            if (expected.IsList)
+            {
+                if (value is GraphQLListValue list)
+                {
+                    var index = 0;
+                    foreach (var item in list.Values ?? [])
+                    {
+                        ValidateValue(item, expected.OfType, $"{path}[{index++}]");
+                    }
+                }
+                else
+                {
+                    ValidateValue(value, expected.OfType, path);
+                }
+
+                return;
+            }
+
+            var type = model.Type(expected.Name);
+            switch (type.Kind)
+            {
+                case SchemaTypeKind.InputObject when value is GraphQLObjectValue objectValue:
+                    var fields = objectValue.Fields ?? [];
+                    foreach (var field in fields)
+                    {
+                        ValidateInputField(type, Name(field.Name), path, fieldPath => ValidateValue(field.Value, type.Field(Name(field.Name)).Type, fieldPath));
+                    }
+
+                    RequireInputFields(type, fields.Select(e => Name(e.Name)), path);
+                    break;
+                case SchemaTypeKind.InputObject:
+                    Error(path, $"Expected an object for {type.Name}, for example `{{ {ExampleFields(type)} }}`.");
+                    break;
+                case SchemaTypeKind.Enum when value is GraphQLEnumValue enumValue:
+                    ValidateEnumValue(type, Name(enumValue.Name), path);
+                    break;
+                case SchemaTypeKind.Enum when value is GraphQLStringValue text:
+                    Error(path, $"{type.Name} values are written without quotes, for example `{text.Value.ToString()}`." +
+                                NameSuggestions.Suggest(text.Value.ToString(), type.EnumValues.Select(e => e.Name)));
+                    break;
+                case SchemaTypeKind.Enum:
+                    Error(path, $"Expected a {type.Name} value: {NameSuggestions.List(type.EnumValues.Select(e => e.Name))}.");
+                    break;
+                case SchemaTypeKind.Scalar when !ScalarAccepts(type.Name, value):
+                    Error(path, $"Expected a {type.Name} value.");
+                    break;
+            }
+        }
+
+        private void ValidateJson(JsonElement value, TypeRef expected, string path)
+        {
+            if (value.ValueKind == JsonValueKind.Null)
+            {
+                if (expected.IsNonNull)
+                {
+                    Error(path, $"A value is required ({expected}).");
+                }
+
+                return;
+            }
+
+            if (expected.IsNonNull)
+            {
+                ValidateJson(value, expected.OfType, path);
+                return;
+            }
+
+            if (expected.IsList)
+            {
+                if (value.ValueKind == JsonValueKind.Array)
+                {
+                    var index = 0;
+                    foreach (var item in value.EnumerateArray())
+                    {
+                        ValidateJson(item, expected.OfType, $"{path}[{index++}]");
+                    }
+                }
+                else
+                {
+                    ValidateJson(value, expected.OfType, path);
+                }
+
+                return;
+            }
+
+            var type = model.Type(expected.Name);
+            switch (type.Kind)
+            {
+                case SchemaTypeKind.InputObject when value.ValueKind == JsonValueKind.Object:
+                    var names = new List<string>();
+                    foreach (var property in value.EnumerateObject())
+                    {
+                        names.Add(property.Name);
+                        ValidateInputField(type, property.Name, path, fieldPath => ValidateJson(property.Value, type.Field(property.Name).Type, fieldPath));
+                    }
+
+                    RequireInputFields(type, names, path);
+                    break;
+                case SchemaTypeKind.InputObject:
+                    Error(path, $"Expected an object for {type.Name}.");
+                    break;
+                case SchemaTypeKind.Enum when value.ValueKind == JsonValueKind.String:
+                    ValidateEnumValue(type, value.GetString(), path);
+                    break;
+                case SchemaTypeKind.Enum:
+                    Error(path, $"Expected a {type.Name} value as a string: {NameSuggestions.List(type.EnumValues.Select(e => e.Name))}.");
+                    break;
+                case SchemaTypeKind.Scalar when !ScalarAccepts(type.Name, value.ValueKind):
+                    Error(path, $"Expected a {type.Name} value.");
+                    break;
+            }
+        }
+
+        private void ValidateInputField(SchemaType type, string name, string path, Action<string> validateValue)
+        {
+            var fieldPath = Join(path, name);
+            if (type.Field(name) == null)
+            {
+                Error(fieldPath, $"{type.Name} has no field {name}.{NameSuggestions.Suggest(name, type.Fields.Select(e => e.Name))}");
+                return;
+            }
+
+            validateValue(fieldPath);
+        }
+
+        private void RequireInputFields(SchemaType type, IEnumerable<string> given, string path)
+        {
+            var givenNames = given.ToHashSet();
+            foreach (var required in type.Fields.Where(e =>
+                         e.Type.IsNonNull && e.DefaultValue == null && !givenNames.Contains(e.Name)))
+            {
+                Error(path, $"{type.Name}.{required.Name} ({required.Type}) is required.");
+            }
+        }
+
+        private void ValidateEnumValue(SchemaType type, string value, string path)
+        {
+            if (type.EnumValues.All(e => e.Name != value))
+            {
+                Error(path, $"{type.Name} has no value {value}.{NameSuggestions.Suggest(value, type.EnumValues.Select(e => e.Name))}");
+            }
+        }
+
+        private static bool ScalarAccepts(string scalar, GraphQLValue value) => scalar switch
+        {
+            "Int" => value is GraphQLIntValue,
+            "Float" => value is GraphQLIntValue or GraphQLFloatValue,
+            "Boolean" => value is GraphQLBooleanValue,
+            "String" => value is GraphQLStringValue,
+            "ID" => value is GraphQLStringValue or GraphQLIntValue,
+            _ => value is not (GraphQLObjectValue or GraphQLListValue)
+        };
+
+        private static bool ScalarAccepts(string scalar, JsonValueKind kind) => scalar switch
+        {
+            "Int" or "Float" => kind == JsonValueKind.Number,
+            "Boolean" => kind is JsonValueKind.True or JsonValueKind.False,
+            "String" => kind == JsonValueKind.String,
+            "ID" => kind is JsonValueKind.String or JsonValueKind.Number,
+            _ => kind is not (JsonValueKind.Object or JsonValueKind.Array)
+        };
+
+        private string SelectionHint(SchemaType type) =>
+            shape.ConnectionOf(type.Name) is { } connection ? $"a page of {connection.NodeType}" : type.Name;
+
+        private string ExampleFields(SchemaType type)
+        {
+            if (shape.ConnectionOf(type.Name) is { } connection)
+            {
+                var node = model.Type(connection.NodeType);
+                return connection.HasNodes
+                    ? $"nodes {{ {ExampleFields(node)} }} pageInfo {{ hasNextPage endCursor }}"
+                    : $"edges {{ node {{ {ExampleFields(node)} }} }} pageInfo {{ hasNextPage endCursor }}";
+            }
+
+            if (type.Kind == SchemaTypeKind.Union)
+            {
+                return $"... on {type.PossibleTypes.FirstOrDefault()} {{ ... }}";
+            }
+
+            var leaves = type.Fields
+                .Where(e => e.Arguments.Count == 0 &&
+                            model.Type(e.Type.NamedType).Kind is SchemaTypeKind.Scalar or SchemaTypeKind.Enum)
+                .Take(3)
+                .Select(e => e.Name)
+                .ToList();
+            return leaves.Count > 0 ? string.Join(" ", leaves) : "...";
+        }
+
+        private IEnumerable<string> InputTypeNames() => model.Types.Values
+            .Where(e => e.Kind is SchemaTypeKind.Scalar or SchemaTypeKind.Enum or SchemaTypeKind.InputObject)
+            .Select(e => e.Name);
+
+        private void Error(string path, string message) => Errors.Add(new ValidationError(path, message));
+    }
+
+
+    private static string Join(string path, string name) => string.IsNullOrEmpty(path) ? name : $"{path}.{name}";
+
+    private static string Name(GraphQLName name) => name.StringValue;
+
+    private static TypeRef TypeRefOf(GraphQLType type) => type switch
+    {
+        GraphQLNonNullType e => TypeRef.NonNull(TypeRefOf(e.Type)),
+        GraphQLListType e => TypeRef.List(TypeRefOf(e.Type)),
+        GraphQLNamedType e => TypeRef.Named(Name(e.Name)),
+        _ => TypeRef.Named(type.Kind.ToString())
+    };
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/AI/Schema/SchemaModel.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/AI/Schema/SchemaModel.cs
new file mode 100644
index 00000000..da508ccc
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/AI/Schema/SchemaModel.cs
@@ -0,0 +1,121 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+namespace Linq2GraphQL.TestClientStandalone.Runtime.AI.Schema;
+
+internal enum SchemaTypeKind
+{
+    Object,
+    Interface,
+    Union,
+    Enum,
+    InputObject,
+    Scalar
+}
+
+/// <summary>
+/// A type reference as written in the schema: a named type, possibly wrapped in lists and non-null markers.
+/// </summary>
+internal sealed record TypeRef(string Name, TypeRef OfType, bool IsList, bool IsNonNull)
+{
+    public static TypeRef Named(string name) => new(name, null, false, false);
+    public static TypeRef List(TypeRef ofType) => new(null, ofType, true, false);
+    public static TypeRef NonNull(TypeRef ofType) => new(null, ofType, false, true);
+
+    /// <summary>
+    /// The named type at the bottom of the wrappers.
+    /// </summary>
+    public string NamedType => OfType == null ? Name : OfType.NamedType;
+
+    public override string ToString() =>
+        IsNonNull ? $"{OfType}!" : IsList ? $"[{OfType}]" : Name;
+}
+
+internal sealed class SchemaArgument
+{
+    public required string Name { get; init; }
+    public string Description { get; set; }
+    public required TypeRef Type { get; init; }
+    public string DefaultValue { get; init; }
+}
+
+internal sealed class SchemaField
+{
+    public required string Name { get; init; }
+    public string Description { get; set; }
+    public required TypeRef Type { get; init; }
+    public List<SchemaArgument> Arguments { get; init; } = [];
+    public string DefaultValue { get; init; }
+    public bool IsDeprecated { get; init; }
+
+    public SchemaField Copy() => new()
+    {
+        Name = Name,
+        Description = Description,
+        Type = Type,
+        Arguments = Arguments.Select(e => new SchemaArgument
+        {
+            Name = e.Name, Description = e.Description, Type = e.Type, DefaultValue = e.DefaultValue
+        }).ToList(),
+        DefaultValue = DefaultValue,
+        IsDeprecated = IsDeprecated
+    };
+}
+
+internal sealed class SchemaEnumValue
+{
+    public required string Name { get; init; }
+    public string Description { get; set; }
+    public bool IsDeprecated { get; init; }
+}
+
+internal sealed class SchemaType
+{
+    public required string Name { get; init; }
+    public required SchemaTypeKind Kind { get; init; }
+    public string Description { get; set; }
+
+    /// <summary>
+    /// Output fields of object and interface types, or input fields of input types, in schema order.
+    /// </summary>
+    public List<SchemaField> Fields { get; init; } = [];
+
+    public List<SchemaEnumValue> EnumValues { get; init; } = [];
+    public List<string> Interfaces { get; init; } = [];
+
+    /// <summary>
+    /// Member types of a union, or implementing object types of an interface.
+    /// </summary>
+    public List<string> PossibleTypes { get; init; } = [];
+
+    public SchemaField Field(string name) => Fields.FirstOrDefault(e => e.Name == name);
+}
+
+/// <summary>
+/// An example for a common task, as the agent sees it: GraphQL text, variables as JSON, and the root
+/// operations it uses.
+/// </summary>
+internal sealed record AgentExample(string Name, string Description, string Query, string Variables,
+    IReadOnlyList<string> Operations);
+
+internal sealed class SchemaModel
+{
+    public required Dictionary<string, SchemaType> Types { get; init; }
+    public required string QueryType { get; init; }
+    public string MutationType { get; init; }
+    public string SubscriptionType { get; init; }
+
+    public SchemaType Type(string name) => Types.GetValueOrDefault(name);
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/AI/Schema/SchemaRenderer.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/AI/Schema/SchemaRenderer.cs
new file mode 100644
index 00000000..57f0e17c
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/AI/Schema/SchemaRenderer.cs
@@ -0,0 +1,462 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Text;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime.AI.Schema;
+
+/// <summary>
+/// How much of the scoped schema the agent is shown at once.
+/// </summary>
+internal enum Detail
+{
+    /// <summary>Allowed queries with one-line descriptions, and type names.</summary>
+    Index,
+
+    /// <summary>Adds argument types, every type's fields, and filter and sort summaries.</summary>
+    Outline,
+
+    /// <summary>Adds full descriptions, enum value meanings and argument descriptions.</summary>
+    Full
+}
+
+/// <summary>
+/// Turns the scoped schema into the text the agent reads. It stays close to SDL, because models know it and the
+/// agent writes GraphQL anyway, and is simplified by collapsing plumbing: connections become
+/// <c>[Node] @paged</c> with one shared paging rule, and filter and sort inputs become per-type summaries with
+/// one shared syntax rule. Output is deterministic, so it can be snapshot-tested.
+/// </summary>
+internal static class SchemaRenderer
+{
+    private const string Indent = "  ";
+
+    /// <summary>
+    /// The operator sets HotChocolate generates, named once in the conventions so each filterable field needs
+    /// only the set's name. Any other set is listed in full where it is used.
+    /// </summary>
+    private static readonly (string Name, string[] Operators)[] OperatorSets =
+    [
+        ("text", ["eq", "neq", "contains", "ncontains", "in", "nin", "startsWith", "nstartsWith", "endsWith", "nendsWith"]),
+        ("comparable", ["eq", "neq", "in", "nin", "gt", "ngt", "gte", "ngte", "lt", "nlt", "lte", "nlte"]),
+        ("equality", ["eq", "neq", "in", "nin"])
+    ];
+
+    public static string Render(ScopedSchema schema, Detail detail)
+    {
+        var shape = new SchemaShape(schema.Schema);
+        var text = new StringBuilder();
+
+        RenderInstructions(text, schema);
+        RenderConventions(text, shape, detail == Detail.Index ? [] : UsedOperatorSets(schema.Schema, shape));
+
+        text.AppendLine("Queries:");
+        foreach (var root in schema.QueryType.Fields)
+        {
+            RenderRoot(text, root, shape, detail);
+        }
+
+        if (schema.Examples.Count > 0)
+        {
+            text.AppendLine();
+            text.AppendLine("Examples (describe_operation shows their queries):");
+            foreach (var example in schema.Examples)
+            {
+                text.Append(Indent).AppendLine($"{example.Name}  – {example.Description}");
+            }
+        }
+
+        var types = schema.Schema.Types.Values
+            .Where(e => e.Name != schema.Schema.QueryType && IsListed(e, shape))
+            .OrderBy(e => KindOrder(e.Kind))
+            .ToList();
+
+        if (detail == Detail.Index)
+        {
+            if (types.Count > 0)
+            {
+                text.AppendLine();
+                text.AppendLine("Types: " + string.Join(", ", types.Select(e => e.Name)));
+            }
+
+            return Finish(text);
+        }
+
+        if (types.Count > 0)
+        {
+            text.AppendLine();
+            text.AppendLine("Types:");
+            foreach (var type in types)
+            {
+                RenderType(text, type, shape, detail, Indent);
+            }
+        }
+
+        RenderFilters(text, schema.Schema, shape);
+        RenderSorting(text, schema.Schema, shape);
+
+        return Finish(text);
+    }
+
+    /// <summary>
+    /// The named types at Full detail, for describing them on demand. Plumbing types are explained by the
+    /// conventions instead, and unknown names are skipped.
+    /// </summary>
+    public static string RenderTypes(ScopedSchema schema, IEnumerable<string> typeNames, Detail detail = Detail.Full)
+    {
+        var shape = new SchemaShape(schema.Schema);
+        var text = new StringBuilder();
+
+        foreach (var name in typeNames.Distinct())
+        {
+            if (schema.Schema.Type(name) is { } type && IsListed(type, shape))
+            {
+                RenderType(text, type, shape, detail, "");
+            }
+        }
+
+        return Finish(text);
+    }
+
+    internal static bool IsListed(SchemaType type, SchemaShape shape) =>
+        !shape.IsPlumbing(type.Name) && !IsBuiltInScalar(type);
+
+    /// <summary>
+    /// Types are grouped by kind, each group in schema order: the shapes the agent selects from first,
+    /// scalars last.
+    /// </summary>
+    internal static int KindOrder(SchemaTypeKind kind) => kind switch
+    {
+        SchemaTypeKind.Interface => 0,
+        SchemaTypeKind.Object => 1,
+        SchemaTypeKind.Union => 2,
+        SchemaTypeKind.Enum => 3,
+        SchemaTypeKind.InputObject => 4,
+        _ => 5
+    };
+
+    private static List<(string Name, string[] Operators)> UsedOperatorSets(SchemaModel schema, SchemaShape shape)
+    {
+        var used = schema.Types.Values
+            .Where(e => shape.IsOperatorFilter(e) || shape.IsListFilter(e))
+            .Select(e => shape.IsListFilter(e) ? ListElement(schema, e) : e)
+            .Where(e => e != null && shape.IsOperatorFilter(e))
+            .Select(e => OperatorSetName(Operators(e)))
+            .ToHashSet();
+
+        return OperatorSets.Where(e => used.Contains(e.Name)).ToList();
+    }
+
+    private static string[] Operators(SchemaType operatorFilter) =>
+        operatorFilter.Fields.Where(e => e.Name is not ("and" or "or")).Select(e => e.Name).ToArray();
+
+    private static string OperatorSetName(string[] operators) =>
+        OperatorSets.FirstOrDefault(e => e.Operators.SequenceEqual(operators)).Name;
+
+    private static string OperatorText(SchemaType operatorFilter)
+    {
+        var operators = Operators(operatorFilter);
+        return OperatorSetName(operators) ?? string.Join(" ", operators);
+    }
+
+    /// <summary>
+    /// The filter a list filter applies to each element, through <c>some</c>, <c>all</c> or <c>none</c>.
+    /// </summary>
+    private static SchemaType ListElement(SchemaModel schema, SchemaType listFilter) =>
+        listFilter.Fields.FirstOrDefault(e => e.Name != "any") is { } element ? schema.Type(element.Type.NamedType) : null;
+
+    private static bool IsBuiltInScalar(SchemaType type) =>
+        type.Kind == SchemaTypeKind.Scalar && type.Name is "String" or "Int" or "Float" or "Boolean" or "ID";
+
+    private static void RenderInstructions(StringBuilder text, ScopedSchema schema)
+    {
+        if (schema.Instructions.Count == 0)
+        {
+            return;
+        }
+
+        text.AppendLine("Instructions:");
+        foreach (var instruction in schema.Instructions)
+        {
+            text.AppendLine("- " + instruction);
+        }
+
+        text.AppendLine();
+    }
+
+    private static void RenderConventions(StringBuilder text, SchemaShape shape,
+        List<(string Name, string[] Operators)> operatorSets)
+    {
+        if (!shape.HasConnections && !shape.HasFilters && !shape.HasSorting)
+        {
+            return;
+        }
+
+        text.AppendLine("Conventions:");
+        if (shape.HasConnections)
+        {
+            text.AppendLine("- @paged fields return a page: select `nodes { ... }` and `pageInfo { hasNextPage endCursor }`, " +
+                            "and pass `after: <endCursor>` for the next page. @paged(totalCount) also has `totalCount`. " +
+                            "@paged(edges) has no `nodes`: select `edges { node { ... } }`.");
+        }
+
+        if (shape.HasFilters)
+        {
+            text.AppendLine("- `where` filters: `where: { field: { operator: value } }`, combined with " +
+                            "`and: [ ... ]` and `or: [ ... ]`. A field of a related type nests: `{ customer: { status: { eq: ACTIVE } } }`. " +
+                            "List fields take `some`, `all` or `none: { ... }`, or `any: true`.");
+
+            if (operatorSets.Count > 0)
+            {
+                text.AppendLine("- Operator sets: " +
+                                string.Join("; ", operatorSets.Select(e => $"{e.Name} = {string.Join(" ", e.Operators)}")) + ".");
+            }
+        }
+
+        if (shape.HasSorting)
+        {
+            text.AppendLine("- `order` sorts: `order: [{ field: ASC }]`, or DESC.");
+        }
+
+        text.AppendLine();
+    }
+
+    private static void RenderRoot(StringBuilder text, SchemaField root, SchemaShape shape, Detail detail)
+    {
+        if (detail == Detail.Index)
+        {
+            var arguments = root.Arguments.Count == 0 ? "" : $"({string.Join(", ", root.Arguments.Select(e => e.Name))})";
+            text.Append(Indent).Append(root.Name).Append(arguments).Append(": ").Append(TypeText(root.Type, shape));
+            if (FirstLine(root.Description) is { } summary)
+            {
+                text.Append("  – ").Append(summary);
+            }
+
+            text.AppendLine();
+            return;
+        }
+
+        if (detail == Detail.Full)
+        {
+            RenderDescription(text, root.Description, Indent);
+        }
+
+        RenderField(text, root, shape, detail, Indent);
+    }
+
+    private static void RenderType(StringBuilder text, SchemaType type, SchemaShape shape, Detail detail,
+        string indent)
+    {
+        if (detail == Detail.Full)
+        {
+            RenderDescription(text, type.Description, indent);
+        }
+
+        switch (type.Kind)
+        {
+            case SchemaTypeKind.Scalar:
+                text.Append(indent).AppendLine($"scalar {type.Name}");
+                return;
+            case SchemaTypeKind.Union:
+                text.Append(indent).AppendLine($"union {type.Name} = {string.Join(" | ", type.PossibleTypes)}");
+                return;
+            case SchemaTypeKind.Enum when detail == Detail.Outline:
+                text.Append(indent).AppendLine($"enum {type.Name} {{ {string.Join(" ", type.EnumValues.Select(e => e.Name))} }}");
+                return;
+            case SchemaTypeKind.Enum:
+                text.Append(indent).AppendLine($"enum {type.Name} {{");
+                foreach (var value in type.EnumValues)
+                {
+                    RenderDescription(text, value.Description, indent + Indent);
+                    text.Append(indent).Append(Indent).AppendLine(value.Name);
+                }
+
+                text.Append(indent).AppendLine("}");
+                return;
+        }
+
+        var keyword = type.Kind switch
+        {
+            SchemaTypeKind.Interface => "interface",
+            SchemaTypeKind.InputObject => "input",
+            _ => "type"
+        };
+        var implements = type.Interfaces.Count == 0 ? "" : " implements " + string.Join(" & ", type.Interfaces);
+
+        if (detail == Detail.Outline)
+        {
+            var fields = type.Fields.Select(e => FieldText(e, shape, Detail.Outline));
+            text.Append(indent).AppendLine($"{keyword} {type.Name}{implements} {{ {string.Join("  ", fields)} }}");
+            return;
+        }
+
+        text.Append(indent).AppendLine($"{keyword} {type.Name}{implements} {{");
+        foreach (var field in type.Fields)
+        {
+            RenderDescription(text, field.Description, indent + Indent);
+            RenderField(text, field, shape, detail, indent + Indent);
+        }
+
+        text.Append(indent).AppendLine("}");
+    }
+
+    /// <summary>
+    /// A field on its own line. At Full detail, arguments with descriptions get a line each, like SDL.
+    /// </summary>
+    private static void RenderField(StringBuilder text, SchemaField field, SchemaShape shape, Detail detail,
+        string indent)
+    {
+        if (detail != Detail.Full || field.Arguments.All(e => string.IsNullOrWhiteSpace(e.Description)))
+        {
+            text.Append(indent).AppendLine(FieldText(field, shape, detail));
+            return;
+        }
+
+        text.Append(indent).Append(field.Name).AppendLine("(");
+        foreach (var argument in field.Arguments)
+        {
+            RenderDescription(text, argument.Description, indent + Indent);
+            text.Append(indent).Append(Indent).AppendLine(ArgumentText(argument));
+        }
+
+        text.Append(indent).Append("): ").AppendLine(TypeText(field.Type, shape));
+    }
+
+    private static string FieldText(SchemaField field, SchemaShape shape, Detail detail)
+    {
+        var arguments = field.Arguments.Count == 0
+            ? ""
+            : $"({string.Join(", ", field.Arguments.Select(ArgumentText))})";
+        var defaultValue = field.DefaultValue == null || detail == Detail.Index ? "" : $" = {field.DefaultValue}";
+        return $"{field.Name}{arguments}: {TypeText(field.Type, shape)}{defaultValue}";
+    }
+
+    private static string ArgumentText(SchemaArgument argument) =>
+        argument.DefaultValue == null
+            ? $"{argument.Name}: {argument.Type}"
+            : $"{argument.Name}: {argument.Type} = {argument.DefaultValue}";
+
+    /// <summary>
+    /// The type as the agent should read it: a connection becomes its node type marked @paged.
+    /// </summary>
+    internal static string TypeText(TypeRef type, SchemaShape shape)
+    {
+        if (shape.ConnectionOf(type.NamedType) is not { } connection)
+        {
+            return type.ToString();
+        }
+
+        var marker = connection.HasNodes switch
+        {
+            false => "@paged(edges)",
+            true when connection.HasTotalCount => "@paged(totalCount)",
+            true => "@paged"
+        };
+        return $"[{connection.NodeType}] {marker}";
+    }
+
+    private static void RenderFilters(StringBuilder text, SchemaModel schema, SchemaShape shape)
+    {
+        var filters = schema.Types.Values.Where(shape.IsEntityFilter).ToList();
+        if (filters.Count == 0)
+        {
+            return;
+        }
+
+        text.AppendLine();
+        text.AppendLine("Filters:");
+        foreach (var filter in filters)
+        {
+            text.Append(Indent).AppendLine($"{filter.Name}: {FilterSummary(schema, shape, filter)}");
+        }
+    }
+
+    /// <summary>
+    /// One entity filter as a line, for example <c>customerName (text), orders (list of OrderFilterInput: …)</c>.
+    /// </summary>
+    internal static string FilterSummary(SchemaModel schema, SchemaShape shape, SchemaType filter) =>
+        string.Join(", ", filter.Fields
+            .Where(e => e.Name is not ("and" or "or"))
+            .Select(e => $"{e.Name} {FilterOperatorsOf(schema, shape, e)}"));
+
+    /// <summary>
+    /// One sort input as a line, for example <c>orderId, customer (CustomerSortInput)</c>.
+    /// </summary>
+    internal static string SortSummary(SchemaModel schema, SchemaShape shape, SchemaType sort) =>
+        string.Join(", ", sort.Fields.Select(e => shape.IsSortEnum(schema.Type(e.Type.NamedType))
+            ? e.Name
+            : $"{e.Name} ({e.Type.NamedType})"));
+
+    private static string FilterOperatorsOf(SchemaModel schema, SchemaShape shape, SchemaField field)
+    {
+        var type = schema.Type(field.Type.NamedType);
+        if (shape.IsOperatorFilter(type))
+        {
+            return $"({OperatorText(type)})";
+        }
+
+        if (shape.IsListFilter(type))
+        {
+            return ListElement(schema, type) switch
+            {
+                null => "(list: any)",
+                var element when shape.IsOperatorFilter(element) => $"(list of {OperatorText(element)}: some/all/none, any)",
+                var element => $"(list of {element.Name}: some/all/none, any)"
+            };
+        }
+
+        return $"({type.Name})";
+    }
+
+    private static void RenderSorting(StringBuilder text, SchemaModel schema, SchemaShape shape)
+    {
+        var sorts = schema.Types.Values.Where(shape.IsSortInput).ToList();
+        if (sorts.Count == 0)
+        {
+            return;
+        }
+
+        text.AppendLine();
+        text.AppendLine("Sorting:");
+        foreach (var sort in sorts)
+        {
+            text.Append(Indent).AppendLine($"{sort.Name}: {SortSummary(schema, shape, sort)}");
+        }
+    }
+
+    private static void RenderDescription(StringBuilder text, string description, string indent)
+    {
+        if (string.IsNullOrWhiteSpace(description))
+        {
+            return;
+        }
+
+        var escaped = description.Trim().Replace("\\", "\\\\").Replace("\"", "\\\"").ReplaceLineEndings("\\n");
+        text.Append(indent).Append('"').Append(escaped).AppendLine("\"");
+    }
+
+    internal static string FirstLine(string description)
+    {
+        if (string.IsNullOrWhiteSpace(description))
+        {
+            return null;
+        }
+
+        var trimmed = description.Trim();
+        var end = trimmed.IndexOfAny(['\r', '\n']);
+        return end < 0 ? trimmed : trimmed[..end].TrimEnd();
+    }
+
+    private static string Finish(StringBuilder text) => text.ToString().ReplaceLineEndings("\n").TrimEnd() + "\n";
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/AI/Schema/SchemaShape.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/AI/Schema/SchemaShape.cs
new file mode 100644
index 00000000..fc3dca1c
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/AI/Schema/SchemaShape.cs
@@ -0,0 +1,145 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+namespace Linq2GraphQL.TestClientStandalone.Runtime.AI.Schema;
+
+/// <summary>
+/// Recognises the plumbing types the renderer collapses: cursor connections (connection, edge, PageInfo) and
+/// HotChocolate-style filter and sort inputs. Detection is by shape, not by name alone, so schemas from other
+/// servers that follow the same conventions are collapsed too, and anything that doesn't fit is rendered as is.
+/// </summary>
+internal sealed class SchemaShape
+{
+    private static readonly HashSet<string> FilterOperators =
+    [
+        "eq", "neq", "contains", "ncontains", "in", "nin", "startsWith", "nstartsWith", "endsWith", "nendsWith",
+        "gt", "ngt", "gte", "ngte", "lt", "nlt", "lte", "nlte"
+    ];
+
+    private static readonly HashSet<string> ListFilterOperators = ["all", "none", "some", "any"];
+
+    private readonly SchemaModel schema;
+    private readonly Dictionary<string, Connection> connections = new();
+    private readonly HashSet<string> plumbing = [];
+
+    public SchemaShape(SchemaModel schema)
+    {
+        this.schema = schema;
+
+        foreach (var type in schema.Types.Values.Where(e => e.Kind == SchemaTypeKind.Object))
+        {
+            if (DetectConnection(type) is { } connection)
+            {
+                connections[type.Name] = connection;
+                plumbing.Add(type.Name);
+                if (connection.EdgeType != null)
+                {
+                    plumbing.Add(connection.EdgeType);
+                }
+
+                plumbing.Add("PageInfo");
+            }
+        }
+
+        foreach (var type in schema.Types.Values)
+        {
+            if (IsEntityFilter(type) || IsOperatorFilter(type) || IsListFilter(type) || IsSortInput(type) ||
+                IsSortEnum(type))
+            {
+                plumbing.Add(type.Name);
+            }
+        }
+    }
+
+    public sealed record Connection(string NodeType, string EdgeType, bool HasNodes, bool HasTotalCount);
+
+    public bool HasConnections => connections.Count > 0;
+
+    public bool HasFilters => schema.Types.Values.Any(IsEntityFilter);
+
+    public bool HasSorting => schema.Types.Values.Any(IsSortInput);
+
+    public Connection ConnectionOf(string typeName) => connections.GetValueOrDefault(typeName);
+
+    /// <summary>
+    /// Connection, edge, PageInfo, filter and sort types: described through conventions and summaries, not
+    /// listed as types.
+    /// </summary>
+    public bool IsPlumbing(string typeName) => plumbing.Contains(typeName);
+
+    /// <summary>
+    /// A filter on an entity (<c>OrderFilterInput</c>): <c>and</c>/<c>or</c> lists of itself plus one filter
+    /// per filterable field.
+    /// </summary>
+    public bool IsEntityFilter(SchemaType type) =>
+        type.Kind == SchemaTypeKind.InputObject &&
+        IsSelfList(type, "and") && IsSelfList(type, "or") &&
+        type.Fields.Any(e => e.Name is not ("and" or "or")) &&
+        type.Fields.Where(e => e.Name is not ("and" or "or")).Any(e => !FilterOperators.Contains(e.Name));
+
+    /// <summary>
+    /// A filter on one value (<c>StringOperationFilterInput</c>): only operators such as <c>eq</c> and <c>in</c>.
+    /// </summary>
+    public bool IsOperatorFilter(SchemaType type) =>
+        type.Kind == SchemaTypeKind.InputObject &&
+        type.Fields.Any(e => FilterOperators.Contains(e.Name)) &&
+        type.Fields.All(e => FilterOperators.Contains(e.Name) || e.Name is "and" or "or");
+
+    /// <summary>
+    /// A filter on a list field (<c>ListFilterInputTypeOf…</c>): <c>some</c>, <c>all</c>, <c>none</c>, <c>any</c>.
+    /// </summary>
+    public bool IsListFilter(SchemaType type) =>
+        type.Kind == SchemaTypeKind.InputObject &&
+        type.Fields.Count > 0 &&
+        type.Fields.All(e => ListFilterOperators.Contains(e.Name));
+
+    public bool IsSortEnum(SchemaType type) =>
+        type.Kind == SchemaTypeKind.Enum &&
+        type.EnumValues.Select(e => e.Name).OrderBy(e => e).SequenceEqual(["ASC", "DESC"]);
+
+    /// <summary>
+    /// A sort input (<c>OrderSortInput</c>): every field is the sort enum or another sort input.
+    /// </summary>
+    public bool IsSortInput(SchemaType type) =>
+        type.Kind == SchemaTypeKind.InputObject &&
+        type.Fields.Count > 0 &&
+        type.Fields.All(e => schema.Type(e.Type.NamedType) is { } fieldType &&
+                             (IsSortEnum(fieldType) || fieldType.Kind == SchemaTypeKind.InputObject &&
+                                 fieldType.Name != type.Name && fieldType.Name.EndsWith("SortInput")));
+
+    private bool IsSelfList(SchemaType type, string fieldName) =>
+        type.Field(fieldName) is { Type.OfType: not null } field && field.Type.NamedType == type.Name;
+
+    private Connection DetectConnection(SchemaType type)
+    {
+        if (type.Field("pageInfo")?.Type.NamedType != "PageInfo")
+        {
+            return null;
+        }
+
+        var nodes = type.Field("nodes");
+        var edges = type.Field("edges");
+        var edgeType = edges == null ? null : schema.Type(edges.Type.NamedType);
+        var edgeNode = edgeType?.Field("node");
+
+        var nodeType = nodes?.Type.NamedType ?? edgeNode?.Type.NamedType;
+        if (nodeType == null)
+        {
+            return null;
+        }
+
+        return new Connection(nodeType, edgeType?.Name, nodes != null, type.Field("totalCount") != null);
+    }
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/AI/Schema/ScopedSchema.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/AI/Schema/ScopedSchema.cs
new file mode 100644
index 00000000..c99e6df3
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/AI/Schema/ScopedSchema.cs
@@ -0,0 +1,419 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Reflection;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime.AI.Schema;
+
+/// <summary>
+/// The schema as the agent sees it: only the allowed queries, the types reachable from them, no omitted or
+/// deprecated members, and the configured descriptions applied. The renderer, the validator and the tools all
+/// work from this, never from the full schema. Mutations and subscriptions are left out in this version.
+/// </summary>
+internal sealed class ScopedSchema
+{
+    private ScopedSchema(SchemaModel schema, IReadOnlyList<string> instructions)
+    {
+        Schema = schema;
+        Instructions = instructions;
+    }
+
+    public SchemaModel Schema { get; }
+
+    public SchemaType QueryType => Schema.Type(Schema.QueryType);
+
+    public IReadOnlyList<string> Instructions { get; }
+
+    /// <summary>
+    /// Examples for common tasks, already validated against this schema.
+    /// </summary>
+    public IReadOnlyList<AgentExample> Examples { get; private set; } = [];
+
+    /// <summary>
+    /// Validates the examples against this schema and attaches them. Every problem is reported in one
+    /// exception, so a broken example surfaces when the tools are set up, not when the agent copies it.
+    /// </summary>
+    internal void SetExamples(IEnumerable<(string Name, string Description, string Query, string Variables)> examples)
+    {
+        var validator = new QueryValidator(this);
+        var list = new List<AgentExample>();
+        var errors = new List<string>();
+
+        foreach (var (name, description, query, variables) in examples)
+        {
+            var result = validator.Validate(query,
+                variables == null ? null : System.Text.Json.JsonDocument.Parse(variables).RootElement);
+            if (!result.IsValid)
+            {
+                errors.AddRange(result.Errors.Select(e => $"Example \"{name}\": {e}"));
+                continue;
+            }
+
+            list.Add(new AgentExample(name, description, query, variables, QueryValidator.RootFields(query)));
+        }
+
+        if (errors.Count > 0)
+        {
+            throw new AgentConfigurationException(
+                "An example does not match the agent's scope:" + Environment.NewLine +
+                string.Join(Environment.NewLine, errors.Select(e => "- " + e)));
+        }
+
+        Examples = list;
+    }
+
+    public static ScopedSchema Create<TClient>(string sdl, Action<AgentOptions<TClient>> configure)
+    {
+        ArgumentException.ThrowIfNullOrWhiteSpace(sdl);
+        ArgumentNullException.ThrowIfNull(configure);
+
+        var options = new AgentOptions<TClient>();
+        configure(options);
+        return Create(SdlReader.Read(sdl), options);
+    }
+
+    public static ScopedSchema Create<TClient>(SchemaModel full, AgentOptions<TClient> options)
+    {
+        var resolver = new Resolver(full);
+
+        var allowedRoots = AllowedRoots(full, options, resolver);
+        var omitted = WithFilterAndSortFields(full, options.Omitted
+            .Select(e => resolver.Field(e))
+            .Where(e => e != null)
+            .Select(e => e!.Value)
+            .ToHashSet());
+        var descriptions = Descriptions(full, options, resolver, omitted);
+
+        if (allowedRoots.Count == 0 && resolver.Errors.Count == 0)
+        {
+            resolver.Errors.Add("No queries are allowed. Use AllowQuery, or AllowAllQueries for every query.");
+        }
+
+        if (resolver.Errors.Count > 0)
+        {
+            throw new AgentConfigurationException(
+                "The agent configuration does not match the schema:" + Environment.NewLine +
+                string.Join(Environment.NewLine, resolver.Errors.Select(e => "- " + e)));
+        }
+
+        var reachable = Reachable(full, allowedRoots, omitted);
+        var types = new Dictionary<string, SchemaType>();
+        foreach (var type in full.Types.Values.Where(e => reachable.Contains(e.Name)))
+        {
+            types[type.Name] = Scope(type, full, allowedRoots, omitted, reachable, descriptions);
+        }
+
+        return new ScopedSchema(new SchemaModel { Types = types, QueryType = full.QueryType },
+            options.InstructionTexts.ToList());
+    }
+
+    /// <summary>
+    /// An omitted field must not stay usable through the type's filter or sort input, or the agent could
+    /// still infer its values by filtering or sorting on it. HotChocolate names those inputs after the type.
+    /// </summary>
+    private static HashSet<(string Type, string Field)> WithFilterAndSortFields(SchemaModel full,
+        HashSet<(string Type, string Field)> omitted)
+    {
+        foreach (var (type, field) in omitted.ToList())
+        {
+            foreach (var input in new[] { type + "FilterInput", type + "SortInput" })
+            {
+                if (full.Type(input) is { Kind: SchemaTypeKind.InputObject } inputType && inputType.Field(field) != null)
+                {
+                    omitted.Add((input, field));
+                }
+            }
+        }
+
+        return omitted;
+    }
+
+    private static List<string> AllowedRoots<TClient>(SchemaModel full, AgentOptions<TClient> options,
+        Resolver resolver)
+    {
+        var allowed = new HashSet<string>();
+
+        if (options.AllowAll != null)
+        {
+            var excluded = options.AllowAll.Excluded.Select(resolver.Query).Where(e => e != null).ToHashSet();
+            allowed.UnionWith(full.Type(full.QueryType).Fields.Select(e => e.Name).Where(e => !excluded.Contains(e)));
+        }
+
+        foreach (var operation in options.AllowedQueries)
+        {
+            if (resolver.Query(operation.Method) is { } name)
+            {
+                allowed.Add(name);
+            }
+        }
+
+        // Schema order, not configuration order, so the agent always sees the same layout.
+        return full.Type(full.QueryType).Fields.Select(e => e.Name).Where(allowed.Contains).ToList();
+    }
+
+    private static Dictionary<(string Type, string Member, string Argument), (string Text, bool Append)> Descriptions<TClient>(
+        SchemaModel full, AgentOptions<TClient> options, Resolver resolver, HashSet<(string Type, string Field)> omitted)
+    {
+        var descriptions = new Dictionary<(string, string, string), (string, bool)>();
+
+        foreach (var operation in options.AllowedQueries)
+        {
+            if (resolver.Query(operation.Method) is not { } name)
+            {
+                continue;
+            }
+
+            if (operation.Description is { } description)
+            {
+                descriptions[(full.QueryType, name, null)] = description;
+            }
+
+            var field = full.Type(full.QueryType).Field(name);
+            foreach (var (argument, text, append) in operation.ArgumentDescriptions)
+            {
+                if (field.Arguments.All(e => e.Name != argument))
+                {
+                    resolver.Errors.Add($"Query {name} has no argument {argument}. " +
+                                        $"Arguments: {Names(field.Arguments.Select(e => e.Name))}.");
+                    continue;
+                }
+
+                descriptions[(full.QueryType, name, argument)] = (text, append);
+            }
+        }
+
+        foreach (var (target, text, append) in options.Descriptions)
+        {
+            if (target.Member != null)
+            {
+                if (resolver.Field(target) is not { } field)
+                {
+                    continue;
+                }
+
+                if (omitted.Contains(field))
+                {
+                    resolver.Errors.Add($"{target} is described but also omitted; the agent never sees it.");
+                    continue;
+                }
+
+                if (full.Type(field.Type).Field(field.Field).IsDeprecated)
+                {
+                    resolver.Errors.Add($"{target} is described but deprecated, so it is not in the agent's scope.");
+                    continue;
+                }
+
+                descriptions[(field.Type, field.Field, null)] = (text, append);
+            }
+            else if (target.EnumValue != null)
+            {
+                if (resolver.EnumValue(target) is not { } value)
+                {
+                    continue;
+                }
+
+                descriptions[(value.Type, value.Value, null)] = (text, append);
+            }
+            else if (resolver.Type(target.ClrType) is { } type)
+            {
+                descriptions[(type.Name, null, null)] = (text, append);
+            }
+        }
+
+        return descriptions;
+    }
+
+    /// <summary>
+    /// Every type the agent can reach from the allowed queries, following field types, argument types,
+    /// input fields, union members and interface implementations.
+    /// </summary>
+    private static HashSet<string> Reachable(SchemaModel full, List<string> allowedRoots,
+        HashSet<(string Type, string Field)> omitted)
+    {
+        var reachable = new HashSet<string> { full.QueryType };
+        var pending = new Queue<string>();
+
+        void Visit(string name)
+        {
+            if (reachable.Add(name))
+            {
+                pending.Enqueue(name);
+            }
+        }
+
+        foreach (var root in allowedRoots.Select(e => full.Type(full.QueryType).Field(e)))
+        {
+            Visit(root.Type.NamedType);
+            root.Arguments.ForEach(e => Visit(e.Type.NamedType));
+        }
+
+        while (pending.TryDequeue(out var name))
+        {
+            var type = full.Type(name);
+            foreach (var field in type.Fields.Where(e => !e.IsDeprecated && !omitted.Contains((name, e.Name))))
+            {
+                Visit(field.Type.NamedType);
+                field.Arguments.ForEach(e => Visit(e.Type.NamedType));
+            }
+
+            type.PossibleTypes.ForEach(Visit);
+        }
+
+        return reachable;
+    }
+
+    private static SchemaType Scope(SchemaType type, SchemaModel full, List<string> allowedRoots,
+        HashSet<(string Type, string Field)> omitted, HashSet<string> reachable,
+        Dictionary<(string Type, string Member, string Argument), (string Text, bool Append)> descriptions)
+    {
+        var isQuery = type.Name == full.QueryType;
+        var fields = type.Fields
+            .Where(e => isQuery ? allowedRoots.Contains(e.Name) : !e.IsDeprecated && !omitted.Contains((type.Name, e.Name)))
+            .Select(e =>
+            {
+                var field = e.Copy();
+                field.Description = Apply(field.Description, descriptions, (type.Name, e.Name, null));
+                foreach (var argument in field.Arguments)
+                {
+                    argument.Description = Apply(argument.Description, descriptions, (type.Name, e.Name, argument.Name));
+                }
+
+                return field;
+            })
+            .ToList();
+
+        return new SchemaType
+        {
+            Name = type.Name,
+            Kind = type.Kind,
+            Description = Apply(type.Description, descriptions, (type.Name, null, null)),
+            Fields = fields,
+            EnumValues = type.EnumValues.Where(e => !e.IsDeprecated).Select(e => new SchemaEnumValue
+            {
+                Name = e.Name,
+                Description = Apply(e.Description, descriptions, (type.Name, e.Name, null))
+            }).ToList(),
+            Interfaces = type.Interfaces.Where(reachable.Contains).ToList(),
+            PossibleTypes = type.PossibleTypes.Where(reachable.Contains).ToList()
+        };
+    }
+
+    private static string Apply(string original,
+        Dictionary<(string Type, string Member, string Argument), (string Text, bool Append)> descriptions,
+        (string, string, string) key)
+    {
+        if (!descriptions.TryGetValue(key, out var description))
+        {
+            return original;
+        }
+
+        return description.Append && !string.IsNullOrWhiteSpace(original)
+            ? original + "\n" + description.Text
+            : description.Text;
+    }
+
+    private static string Names(IEnumerable<string> names)
+    {
+        var list = names.ToList();
+        return list.Count == 0 ? "none" : string.Join(", ", list);
+    }
+
+    /// <summary>
+    /// Maps generated CLR members to schema names. Generated types keep their GraphQL names, properties carry
+    /// <see cref="GraphQLMemberAttribute"/>, and other members follow the generator's rule of upper-casing the
+    /// first letter. Problems are collected rather than thrown, so one exception can list them all.
+    /// </summary>
+    private sealed class Resolver(SchemaModel full)
+    {
+        public List<string> Errors { get; } = [];
+
+        public string Query(MethodInfo method)
+        {
+            var name = Match(full.Type(full.QueryType).Fields.Select(e => e.Name), method.Name);
+            if (name != null)
+            {
+                return name;
+            }
+
+            if (full.MutationType != null && Match(full.Type(full.MutationType).Fields.Select(e => e.Name), method.Name) != null)
+            {
+                Errors.Add($"{method.Name} is a mutation. Only queries can be allowed in this version.");
+            }
+            else
+            {
+                Errors.Add($"The schema has no query {method.Name}.");
+            }
+
+            return null;
+        }
+
+        public SchemaType Type(Type clrType)
+        {
+            var type = full.Type(clrType.Name);
+            if (type == null)
+            {
+                Errors.Add($"The schema has no type {clrType.Name}.");
+            }
+
+            return type;
+        }
+
+        public (string Type, string Field)? Field(MemberReference reference)
+        {
+            if (Type(reference.ClrType) is not { } type)
+            {
+                return null;
+            }
+
+            var name = reference.Member.GetCustomAttribute<GraphQLMemberAttribute>()?.GraphQLName
+                       ?? Match(type.Fields.Select(e => e.Name), reference.Member.Name);
+            if (name == null || type.Field(name) == null)
+            {
+                Errors.Add($"Type {type.Name} has no field {name ?? reference.Member.Name}.");
+                return null;
+            }
+
+            return (type.Name, name);
+        }
+
+        public (string Type, string Value)? EnumValue(MemberReference reference)
+        {
+            if (Type(reference.ClrType) is not { } type)
+            {
+                return null;
+            }
+
+            if (type.EnumValues.All(e => e.Name != reference.EnumValue))
+            {
+                Errors.Add($"Enum {type.Name} has no value {reference.EnumValue}.");
+                return null;
+            }
+
+            if (type.EnumValues.First(e => e.Name == reference.EnumValue).IsDeprecated)
+            {
+                Errors.Add($"{type.Name}.{reference.EnumValue} is described but deprecated, so it is not in the agent's scope.");
+                return null;
+            }
+
+            return (type.Name, reference.EnumValue);
+        }
+
+        private static string Match(IEnumerable<string> schemaNames, string clrName) =>
+            schemaNames.FirstOrDefault(e => ToPascalCase(e) == clrName);
+
+        private static string ToPascalCase(string name) =>
+            char.IsUpper(name[0]) ? name : char.ToUpperInvariant(name[0]) + name[1..];
+    }
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/AI/Schema/SdlReader.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/AI/Schema/SdlReader.cs
new file mode 100644
index 00000000..205b88a6
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/AI/Schema/SdlReader.cs
@@ -0,0 +1,215 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using GraphQLParser;
+using GraphQLParser.AST;
+using GraphQLParser.Exceptions;
+using GraphQLParser.Visitors;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime.AI.Schema;
+
+/// <summary>
+/// Reads SDL into the agent package's own schema model. It accepts the SDL the generator emits in agent mode
+/// as well as hand-written or exported schema files, including type extensions.
+/// </summary>
+internal static class SdlReader
+{
+    private static readonly string[] BuiltInScalars = ["String", "Int", "Float", "Boolean", "ID"];
+
+    public static SchemaModel Read(string sdl)
+    {
+        GraphQLDocument document;
+        try
+        {
+            document = Parser.Parse(sdl);
+        }
+        catch (GraphQLParserException ex)
+        {
+            throw new AgentConfigurationException($"The schema is not valid SDL: {ex.Message}", ex);
+        }
+
+        var types = new Dictionary<string, SchemaType>();
+        foreach (var scalar in BuiltInScalars)
+        {
+            types[scalar] = new SchemaType { Name = scalar, Kind = SchemaTypeKind.Scalar };
+        }
+
+        foreach (var definition in document.Definitions)
+        {
+            var type = definition switch
+            {
+                GraphQLObjectTypeDefinition e => NewType(e.Name, SchemaTypeKind.Object, e.Description),
+                GraphQLInterfaceTypeDefinition e => NewType(e.Name, SchemaTypeKind.Interface, e.Description),
+                GraphQLUnionTypeDefinition e => NewType(e.Name, SchemaTypeKind.Union, e.Description),
+                GraphQLEnumTypeDefinition e => NewType(e.Name, SchemaTypeKind.Enum, e.Description),
+                GraphQLInputObjectTypeDefinition e => NewType(e.Name, SchemaTypeKind.InputObject, e.Description),
+                GraphQLScalarTypeDefinition e => NewType(e.Name, SchemaTypeKind.Scalar, e.Description),
+                _ => null
+            };
+
+            if (type != null)
+            {
+                types[type.Name] = type;
+            }
+        }
+
+        foreach (var definition in document.Definitions)
+        {
+            switch (definition)
+            {
+                case GraphQLObjectTypeDefinition e:
+                    AddMembers(types, e.Name, e.Interfaces, e.Fields);
+                    break;
+                case GraphQLObjectTypeExtension e:
+                    AddMembers(types, e.Name, e.Interfaces, e.Fields);
+                    break;
+                case GraphQLInterfaceTypeDefinition e:
+                    AddMembers(types, e.Name, e.Interfaces, e.Fields);
+                    break;
+                case GraphQLInterfaceTypeExtension e:
+                    AddMembers(types, e.Name, e.Interfaces, e.Fields);
+                    break;
+                case GraphQLInputObjectTypeDefinition e:
+                    AddInputFields(types, e.Name, e.Fields);
+                    break;
+                case GraphQLInputObjectTypeExtension e:
+                    AddInputFields(types, e.Name, e.Fields);
+                    break;
+                case GraphQLEnumTypeDefinition e:
+                    AddEnumValues(types, e.Name, e.Values);
+                    break;
+                case GraphQLEnumTypeExtension e:
+                    AddEnumValues(types, e.Name, e.Values);
+                    break;
+                case GraphQLUnionTypeDefinition e:
+                    Existing(types, e.Name).PossibleTypes.AddRange(e.Types?.Items.Select(t => Name(t.Name)) ?? []);
+                    break;
+                case GraphQLUnionTypeExtension e:
+                    Existing(types, e.Name).PossibleTypes.AddRange(e.Types?.Items.Select(t => Name(t.Name)) ?? []);
+                    break;
+            }
+        }
+
+        foreach (var interfaceType in types.Values.Where(e => e.Kind == SchemaTypeKind.Interface))
+        {
+            interfaceType.PossibleTypes.AddRange(types.Values
+                .Where(e => e.Kind == SchemaTypeKind.Object && e.Interfaces.Contains(interfaceType.Name))
+                .Select(e => e.Name));
+        }
+
+        var schemaDefinition = document.Definitions.OfType<GraphQLSchemaDefinition>().FirstOrDefault();
+        var model = new SchemaModel
+        {
+            Types = types,
+            QueryType = RootType(schemaDefinition, types, GraphQLParser.AST.OperationType.Query, "Query")
+                        ?? throw new AgentConfigurationException("The schema has no query type."),
+            MutationType = RootType(schemaDefinition, types, GraphQLParser.AST.OperationType.Mutation, "Mutation"),
+            SubscriptionType = RootType(schemaDefinition, types, GraphQLParser.AST.OperationType.Subscription, "Subscription")
+        };
+
+        var unknown = types.Values
+            .SelectMany(t => t.Fields.SelectMany(f => f.Arguments.Select(a => a.Type).Append(f.Type)))
+            .Select(e => e.NamedType)
+            .FirstOrDefault(e => !types.ContainsKey(e));
+        if (unknown != null)
+        {
+            throw new AgentConfigurationException($"The schema references type {unknown}, which is not defined.");
+        }
+
+        return model;
+    }
+
+    private static SchemaType NewType(GraphQLName name, SchemaTypeKind kind, GraphQLDescription description) =>
+        new() { Name = Name(name), Kind = kind, Description = Text(description) };
+
+    private static SchemaType Existing(Dictionary<string, SchemaType> types, GraphQLName name) =>
+        types.TryGetValue(Name(name), out var type)
+            ? type
+            : throw new AgentConfigurationException($"The schema extends type {Name(name)}, which is not defined.");
+
+    private static void AddMembers(Dictionary<string, SchemaType> types, GraphQLName name,
+        GraphQLImplementsInterfaces interfaces, GraphQLFieldsDefinition fields)
+    {
+        var type = Existing(types, name);
+        type.Interfaces.AddRange(interfaces?.Items.Select(e => Name(e.Name)) ?? []);
+        type.Fields.AddRange((fields?.Items ?? []).Select(field => new SchemaField
+        {
+            Name = Name(field.Name),
+            Description = Text(field.Description),
+            Type = TypeRefOf(field.Type),
+            IsDeprecated = IsDeprecated(field.Directives),
+            Arguments = (field.Arguments?.Items ?? []).Select(e => new SchemaArgument
+            {
+                Name = Name(e.Name),
+                Description = Text(e.Description),
+                Type = TypeRefOf(e.Type),
+                DefaultValue = Print(e.DefaultValue)
+            }).ToList()
+        }));
+    }
+
+    private static void AddInputFields(Dictionary<string, SchemaType> types, GraphQLName name,
+        GraphQLInputFieldsDefinition fields)
+    {
+        Existing(types, name).Fields.AddRange((fields?.Items ?? []).Select(field => new SchemaField
+        {
+            Name = Name(field.Name),
+            Description = Text(field.Description),
+            Type = TypeRefOf(field.Type),
+            DefaultValue = Print(field.DefaultValue),
+            IsDeprecated = IsDeprecated(field.Directives)
+        }));
+    }
+
+    private static void AddEnumValues(Dictionary<string, SchemaType> types, GraphQLName name,
+        GraphQLEnumValuesDefinition values)
+    {
+        Existing(types, name).EnumValues.AddRange((values?.Items ?? []).Select(value => new SchemaEnumValue
+        {
+            Name = Name(value.EnumValue.Name),
+            Description = Text(value.Description),
+            IsDeprecated = IsDeprecated(value.Directives)
+        }));
+    }
+
+    private static string RootType(GraphQLSchemaDefinition schemaDefinition, Dictionary<string, SchemaType> types,
+        GraphQLParser.AST.OperationType operation, string defaultName)
+    {
+        if (schemaDefinition != null)
+        {
+            var root = schemaDefinition.OperationTypes.FirstOrDefault(e => e.Operation == operation);
+            return root == null ? null : Name(root.Type.Name);
+        }
+
+        return types.ContainsKey(defaultName) ? defaultName : null;
+    }
+
+    private static TypeRef TypeRefOf(GraphQLType type) => type switch
+    {
+        GraphQLNonNullType e => TypeRef.NonNull(TypeRefOf(e.Type)),
+        GraphQLListType e => TypeRef.List(TypeRefOf(e.Type)),
+        GraphQLNamedType e => TypeRef.Named(Name(e.Name)),
+        _ => throw new AgentConfigurationException($"Unsupported type reference {type.Kind}.")
+    };
+
+    private static bool IsDeprecated(GraphQLDirectives directives) =>
+        directives?.Items.Any(e => Name(e.Name) == "deprecated") == true;
+
+    private static string Print(GraphQLValue value) => value == null ? null : new SDLPrinter().Print(value);
+
+    private static string Name(GraphQLName name) => name.StringValue;
+
+    private static string Text(GraphQLDescription description) => description?.Value.ToString();
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/AI/Tools/AgentToolset.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/AI/Tools/AgentToolset.cs
new file mode 100644
index 00000000..8e6443c5
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/AI/Tools/AgentToolset.cs
@@ -0,0 +1,449 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Text;
+using System.Text.Json;
+using Linq2GraphQL.TestClientStandalone.Runtime.AI.Schema;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime.AI.Tools;
+
+/// <summary>
+/// The four agent tools as plain methods, with no AI framework dependency: run a query, describe operations,
+/// describe types and search the schema. Everything works from the scoped schema; only <see cref="QueryAsync"/>
+/// talks to the server, and only after the query has passed validation. Results are text, because that is what
+/// a tool hands back to the model.
+/// </summary>
+internal sealed class AgentToolset
+{
+    private const int StarterFieldCount = 6;
+    private const int MaxSearchResults = 20;
+
+    private static readonly JsonSerializerOptions ResultJson = new()
+    {
+        DefaultIgnoreCondition = System.Text.Json.Serialization.JsonIgnoreCondition.WhenWritingNull
+    };
+
+    private readonly ScopedSchema schema;
+    private readonly GraphClient client;
+    private readonly QueryValidator validator;
+    private readonly SchemaShape shape;
+    private readonly SchemaModel model;
+    private readonly IReadOnlyList<Action<AgentQueryLog>> queryLoggers;
+
+    public AgentToolset(ScopedSchema schema, GraphClient client, IReadOnlyList<Action<AgentQueryLog>> queryLoggers = null)
+    {
+        this.schema = schema;
+        this.client = client;
+        this.queryLoggers = queryLoggers ?? [];
+        validator = new QueryValidator(schema);
+        shape = new SchemaShape(schema.Schema);
+        model = schema.Schema;
+        Index = SchemaRenderer.Render(schema, Detail.Index);
+    }
+
+    /// <summary>
+    /// The Index: the allowed operations and type names, for the query tool's description.
+    /// </summary>
+    public string Index { get; }
+
+    /// <summary>
+    /// graphql_query: validates the query and its variables, and only sends a valid query. Returns JSON with
+    /// <c>data</c> and <c>errors</c>, or <c>validationErrors</c> when nothing was sent.
+    /// </summary>
+    public async Task<string> QueryAsync(string query, JsonElement? variables = null,
+        CancellationToken cancellationToken = default)
+    {
+        var started = System.Diagnostics.Stopwatch.StartNew();
+        var validation = validator.Validate(query, variables);
+        if (!validation.IsValid)
+        {
+            var validationErrors = validation.Errors.Select(e => e.ToString()).ToList();
+            Log(query, variables, validationErrors, [], started.Elapsed);
+            return JsonSerializer.Serialize(new
+            {
+                validationErrors,
+                note = "The query was not sent. Fix every error listed and try again."
+            }, ResultJson);
+        }
+
+        try
+        {
+            var result = await client.ExecuteAsync(query, Variables(variables), cancellationToken);
+            Log(query, variables, [], result.Errors?.Select(e => e.Message).ToList() ?? [], started.Elapsed);
+            return JsonSerializer.Serialize(new
+            {
+                data = result.Data.ValueKind == JsonValueKind.Undefined ? (JsonElement?)null : result.Data,
+                errors = result.Errors?.Select(e => new { message = e.Message, path = e.Path, hint = Hint(e) })
+            }, ResultJson);
+        }
+        catch (GraphQueryRequestException ex)
+        {
+            Log(query, variables, [], [ex.Message], started.Elapsed);
+            return JsonSerializer.Serialize(new { requestError = ex.Message }, ResultJson);
+        }
+    }
+
+    /// <summary>
+    /// What to do about a server error the schema cannot predict. The page-size limit is the common one: it is
+    /// not in the SDL, so agents guess a page size and retry with smaller guesses unless told the limit.
+    /// </summary>
+    private static string Hint(GraphQueryError error)
+    {
+        if (error.Extensions?.TryGetValue("code", out var code) != true || code?.ToString() != "HC0051")
+        {
+            return null;
+        }
+
+        var max = error.Extensions.TryGetValue("maxAllowedItems", out var value) ? value?.ToString() : null;
+        var field = error.Extensions.TryGetValue("coordinate", out var coordinate) ? $" for {coordinate}" : "";
+        return max == null
+            ? $"The page size{field} is limited. Leave out first/last to get the server's default page, then page with after: endCursor."
+            : $"At most {max} items per page{field}. Use first: {max} or leave it out, then page with after: endCursor while hasNextPage is true.";
+    }
+
+    /// <summary>
+    /// Reports a query to the OnQuery loggers. A failing logger must not break the agent's call.
+    /// </summary>
+    private void Log(string query, JsonElement? variables, IReadOnlyList<string> validationErrors,
+        IReadOnlyList<string> errors, TimeSpan duration)
+    {
+        if (queryLoggers.Count == 0)
+        {
+            return;
+        }
+
+        var entry = new AgentQueryLog(query, variables?.GetRawText(), validationErrors, errors, duration);
+        foreach (var logger in queryLoggers)
+        {
+            try
+            {
+                logger(entry);
+            }
+            catch (Exception)
+            {
+                // Logging is best effort; the agent's query result matters more.
+            }
+        }
+    }
+
+    /// <summary>
+    /// describe_operation: everything needed to call each named operation, including a starter query.
+    /// </summary>
+    public string DescribeOperations(IEnumerable<string> names)
+    {
+        var text = new StringBuilder();
+        foreach (var name in names.Distinct())
+        {
+            if (text.Length > 0)
+            {
+                text.AppendLine();
+            }
+
+            var operation = schema.QueryType.Field(name);
+            if (operation == null)
+            {
+                text.AppendLine($"Operation {name} is not available." +
+                                NameSuggestions.Suggest(name, schema.QueryType.Fields.Select(e => e.Name)));
+                continue;
+            }
+
+            DescribeOperation(text, operation);
+        }
+
+        return Finish(text);
+    }
+
+    /// <summary>
+    /// describe_type: full detail for each named type, plus the types its fields use at Outline level. Filter
+    /// and sort inputs are described by their summary line.
+    /// </summary>
+    public string DescribeTypes(IEnumerable<string> names)
+    {
+        var requested = names.Distinct().ToList();
+        var text = new StringBuilder();
+        var described = new List<string>();
+
+        foreach (var name in requested)
+        {
+            var type = model.Type(name);
+            if (type == null)
+            {
+                text.AppendLine($"Type {name} is not available." + NameSuggestions.Suggest(name, ListedTypeNames()));
+            }
+            else if (shape.IsEntityFilter(type))
+            {
+                text.AppendLine($"{type.Name} (filter): {SchemaRenderer.FilterSummary(model, shape, type)}");
+            }
+            else if (shape.IsSortInput(type))
+            {
+                text.AppendLine($"{type.Name} (sorting): {SchemaRenderer.SortSummary(model, shape, type)}");
+            }
+            else if (shape.ConnectionOf(type.Name) is { } connection)
+            {
+                text.AppendLine($"{type.Name} is a page of {connection.NodeType}; see the @paged convention. " +
+                                $"Describe {connection.NodeType} for its fields.");
+            }
+            else if (SchemaRenderer.IsListed(type, shape))
+            {
+                described.Add(type.Name);
+                text.Append(SchemaRenderer.RenderTypes(schema, [type.Name]));
+            }
+            else
+            {
+                text.AppendLine($"{type.Name} is a built-in scalar.");
+            }
+        }
+
+        if (described.Count > 0)
+        {
+            var related = described
+                .SelectMany(e => RelatedTypes(model.Type(e)))
+                .Where(e => !described.Contains(e))
+                .Distinct()
+                .ToList();
+            if (related.Count > 0)
+            {
+                text.AppendLine();
+                text.AppendLine("Related types:");
+                text.Append(SchemaRenderer.RenderTypes(schema, related, Detail.Outline));
+            }
+        }
+
+        return Finish(text);
+    }
+
+    /// <summary>
+    /// search_schema: operations, examples, types, fields and enum values matching the text, names before descriptions.
+    /// </summary>
+    public string Search(string text)
+    {
+        if (string.IsNullOrWhiteSpace(text))
+        {
+            return "Give a word to search for, such as a field or type name.\n";
+        }
+
+        var term = text.Trim();
+        var matches = new List<(int Score, int Kind, int Order, string Line)>();
+        var order = 0;
+
+        void Consider(int kind, string name, string description, string line)
+        {
+            var score = name.Equals(term, StringComparison.OrdinalIgnoreCase) ? 0
+                : name.StartsWith(term, StringComparison.OrdinalIgnoreCase) ? 1
+                : name.Contains(term, StringComparison.OrdinalIgnoreCase) ? 2
+                : description?.Contains(term, StringComparison.OrdinalIgnoreCase) == true ? 3
+                : -1;
+            if (score >= 0)
+            {
+                matches.Add((score, kind, order++, line));
+            }
+        }
+
+        foreach (var example in schema.Examples)
+        {
+            Consider(1, example.Name, example.Description, $"example {example.Name}  – {example.Description}");
+        }
+
+        foreach (var operation in schema.QueryType.Fields)
+        {
+            Consider(0, operation.Name, operation.Description,
+                $"operation {operation.Name}: {SchemaRenderer.TypeText(operation.Type, shape)}{Summary(operation.Description)}");
+        }
+
+        foreach (var type in model.Types.Values.Where(e => e.Name != model.QueryType && SchemaRenderer.IsListed(e, shape)))
+        {
+            Consider(2, type.Name, type.Description, $"type {type.Name}{Summary(type.Description)}");
+
+            foreach (var field in type.Fields)
+            {
+                Consider(3, field.Name, field.Description,
+                    $"field {type.Name}.{field.Name}: {SchemaRenderer.TypeText(field.Type, shape)}{Summary(field.Description)}");
+            }
+
+            foreach (var value in type.EnumValues)
+            {
+                Consider(4, value.Name, value.Description, $"value {type.Name}.{value.Name}{Summary(value.Description)}");
+            }
+        }
+
+        if (matches.Count == 0)
+        {
+            return $"No operations, types or fields match \"{term}\". Try a shorter or broader word.\n";
+        }
+
+        var result = new StringBuilder();
+        foreach (var match in matches.OrderBy(e => e.Score).ThenBy(e => e.Kind).ThenBy(e => e.Order).Take(MaxSearchResults))
+        {
+            result.AppendLine(match.Line);
+        }
+
+        if (matches.Count > MaxSearchResults)
+        {
+            result.AppendLine($"… and {matches.Count - MaxSearchResults} more. Use a more specific word.");
+        }
+
+        return Finish(result);
+    }
+
+    private void DescribeOperation(StringBuilder text, SchemaField operation)
+    {
+        text.AppendLine($"{operation.Name}{Summary(operation.Description, full: true)}");
+
+        if (operation.Arguments.Count > 0)
+        {
+            text.AppendLine("Arguments:");
+            foreach (var argument in operation.Arguments)
+            {
+                var line = new StringBuilder($"  {argument.Name}: {argument.Type}");
+                if (argument.DefaultValue != null)
+                {
+                    line.Append($" = {argument.DefaultValue}");
+                }
+
+                if (!string.IsNullOrWhiteSpace(argument.Description))
+                {
+                    line.Append($"  – {argument.Description.Trim().ReplaceLineEndings(" ")}");
+                }
+
+                var argumentType = model.Type(argument.Type.NamedType);
+                if (shape.IsEntityFilter(argumentType))
+                {
+                    line.Append($"  – filterable: {SchemaRenderer.FilterSummary(model, shape, argumentType)}");
+                }
+                else if (shape.IsSortInput(argumentType))
+                {
+                    line.Append($"  – sortable: {SchemaRenderer.SortSummary(model, shape, argumentType)}");
+                }
+
+                text.AppendLine(line.ToString());
+            }
+        }
+
+        text.AppendLine($"Returns: {SchemaRenderer.TypeText(operation.Type, shape)}");
+        var returnType = ReturnedType(operation);
+        if (SchemaRenderer.IsListed(returnType, shape) && returnType.Kind is not (SchemaTypeKind.Scalar or SchemaTypeKind.Enum))
+        {
+            foreach (var line in SchemaRenderer.RenderTypes(schema, [returnType.Name], Detail.Outline).TrimEnd().Split('\n'))
+            {
+                text.AppendLine("  " + line);
+            }
+        }
+
+        text.AppendLine("Starter query:");
+        text.AppendLine("  " + StarterQuery(operation));
+
+        var examples = schema.Examples.Where(e => e.Operations.Contains(operation.Name)).ToList();
+        if (examples.Count > 0)
+        {
+            text.AppendLine("Examples:");
+            foreach (var example in examples)
+            {
+                text.AppendLine($"  {example.Name}  – {example.Description}");
+                text.AppendLine("    " + example.Query.ReplaceLineEndings(" ").Trim());
+                if (example.Variables != null)
+                {
+                    text.AppendLine("    variables: " + example.Variables);
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A valid query to adapt: required arguments as variables and the first few plain fields of the result.
+    /// Paged operations get no page size, because the schema doesn't publish the server's maximum; the server
+    /// then uses its own default.
+    /// </summary>
+    internal string StarterQuery(SchemaField operation)
+    {
+        var required = operation.Arguments.Where(e => e.Type.IsNonNull && e.DefaultValue == null).ToList();
+        var declarations = required.Count == 0 ? "" : $"({string.Join(", ", required.Select(e => $"${e.Name}: {e.Type}"))})";
+        var arguments = required.Select(e => $"{e.Name}: ${e.Name}").ToList();
+
+        var call = arguments.Count == 0 ? operation.Name : $"{operation.Name}({string.Join(", ", arguments)})";
+        return $"query{declarations} {{ {call}{Selection(model.Type(operation.Type.NamedType))} }}";
+    }
+
+    private string Selection(SchemaType type)
+    {
+        if (type.Kind is SchemaTypeKind.Scalar or SchemaTypeKind.Enum)
+        {
+            return "";
+        }
+
+        if (shape.ConnectionOf(type.Name) is { } connection)
+        {
+            var node = Selection(model.Type(connection.NodeType));
+            return connection.HasNodes
+                ? $" {{ nodes{node} pageInfo {{ hasNextPage endCursor }} }}"
+                : $" {{ edges {{ node{node} }} pageInfo {{ hasNextPage endCursor }} }}";
+        }
+
+        if (type.Kind == SchemaTypeKind.Union)
+        {
+            var first = type.PossibleTypes.FirstOrDefault();
+            return first == null ? " { __typename }" : $" {{ __typename ... on {first}{Selection(model.Type(first))} }}";
+        }
+
+        var fields = type.Fields
+            .Where(e => e.Arguments.All(a => !a.Type.IsNonNull || a.DefaultValue != null) &&
+                        model.Type(e.Type.NamedType).Kind is SchemaTypeKind.Scalar or SchemaTypeKind.Enum)
+            .Take(StarterFieldCount)
+            .Select(e => e.Name)
+            .ToList();
+        return $" {{ {(fields.Count == 0 ? "__typename" : string.Join(" ", fields))} }}";
+    }
+
+    private SchemaType ReturnedType(SchemaField operation) =>
+        shape.ConnectionOf(operation.Type.NamedType) is { } connection
+            ? model.Type(connection.NodeType)
+            : model.Type(operation.Type.NamedType);
+
+    /// <summary>
+    /// The listed types a type's fields and arguments use, with connections resolved to their node types.
+    /// </summary>
+    private IEnumerable<string> RelatedTypes(SchemaType type) =>
+        type.Fields
+            .SelectMany(e => e.Arguments.Select(a => a.Type.NamedType).Append(e.Type.NamedType))
+            .Select(e => shape.ConnectionOf(e)?.NodeType ?? e)
+            .Concat(type.PossibleTypes)
+            .Concat(type.Interfaces)
+            .Where(e => model.Type(e) is { } related && SchemaRenderer.IsListed(related, shape) &&
+                        related.Kind != SchemaTypeKind.Scalar);
+
+    private IEnumerable<string> ListedTypeNames() =>
+        model.Types.Values
+            .Where(e => e.Name != model.QueryType && SchemaRenderer.IsListed(e, shape))
+            .OrderBy(e => SchemaRenderer.KindOrder(e.Kind))
+            .Select(e => e.Name);
+
+    private static Dictionary<string, object> Variables(JsonElement? variables) =>
+        variables is { ValueKind: JsonValueKind.Object } values
+            ? values.EnumerateObject().ToDictionary(e => e.Name, e => (object)e.Value.Clone())
+            : null;
+
+    private static string Summary(string description, bool full = false)
+    {
+        if (string.IsNullOrWhiteSpace(description))
+        {
+            return "";
+        }
+
+        return full
+            ? "  – " + description.Trim().ReplaceLineEndings(" ")
+            : "  – " + SchemaRenderer.FirstLine(description);
+    }
+
+    private static string Finish(StringBuilder text) => text.ToString().ReplaceLineEndings("\n").TrimEnd() + "\n";
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/ArgumentValue.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/ArgumentValue.cs
new file mode 100644
index 00000000..8f0584a8
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/ArgumentValue.cs
@@ -0,0 +1,32 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+namespace Linq2GraphQL.TestClientStandalone.Runtime;
+
+public class ArgumentValue
+{
+    public ArgumentValue(string graphName, string graphType, object value)
+    {
+        GraphType = graphType;
+        Value = value;
+        GraphName = graphName;
+        VariableName = graphName;
+    }
+
+    public string GraphName { get; set; }
+    public string GraphType { get; set; }
+    public object Value { get; set; }
+    public string VariableName { get; set; }
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Attributes/GraphArgumentAttribute.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Attributes/GraphArgumentAttribute.cs
new file mode 100644
index 00000000..84e370be
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Attributes/GraphArgumentAttribute.cs
@@ -0,0 +1,27 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+namespace Linq2GraphQL.TestClientStandalone.Runtime;
+
+[AttributeUsage(AttributeTargets.Parameter)]
+public class GraphArgumentAttribute : Attribute
+{
+    public GraphArgumentAttribute(string graphType)
+    {
+        GraphType = graphType;
+    }
+
+    public string GraphType { get; private set; }
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Attributes/GraphInterfaceAttribute.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Attributes/GraphInterfaceAttribute.cs
new file mode 100644
index 00000000..00193535
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Attributes/GraphInterfaceAttribute.cs
@@ -0,0 +1,27 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+namespace Linq2GraphQL.TestClientStandalone.Runtime;
+
+
+/// <summary>
+/// Will be removed in future versions
+/// Only here for backward compatibility
+/// </summary>
+[AttributeUsage(AttributeTargets.Property | AttributeTargets.Method)]
+public class GraphInterfaceAttribute : Attribute
+{
+  
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Attributes/GraphMethodAttribute.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Attributes/GraphMethodAttribute.cs
new file mode 100644
index 00000000..a0d89f83
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Attributes/GraphMethodAttribute.cs
@@ -0,0 +1,27 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+namespace Linq2GraphQL.TestClientStandalone.Runtime;
+
+[AttributeUsage(AttributeTargets.Method)]
+public class GraphMethodAttribute : Attribute
+{
+    public GraphMethodAttribute(string graphName)
+    {
+        GraphName = graphName;
+    }
+
+    public string GraphName { get; private set; }
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Attributes/GraphQLArgumentAttribute.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Attributes/GraphQLArgumentAttribute.cs
new file mode 100644
index 00000000..e3c4f826
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Attributes/GraphQLArgumentAttribute.cs
@@ -0,0 +1,23 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+namespace Linq2GraphQL.TestClientStandalone.Runtime;
+
+[AttributeUsage(AttributeTargets.Parameter)]
+public class GraphQLArgumentAttribute(string graphQLName, string graphQLType) : Attribute
+{
+    public string GraphQLType { get; private set; } = graphQLType;
+    public string GraphQLName { get; private set; } = graphQLName;
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Attributes/GraphQLMemberAttribute.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Attributes/GraphQLMemberAttribute.cs
new file mode 100644
index 00000000..ad03f223
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Attributes/GraphQLMemberAttribute.cs
@@ -0,0 +1,35 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+namespace Linq2GraphQL.TestClientStandalone.Runtime;
+
+[AttributeUsage(AttributeTargets.Property | AttributeTargets.Method)]
+public class GraphQLMemberAttribute : Attribute
+{
+    public GraphQLMemberAttribute(string graphQLName)
+    {
+        GraphQLName = graphQLName;
+    }
+
+    public GraphQLMemberAttribute(string graphQLName, bool interfaceProperty)
+    {
+        GraphQLName = graphQLName;
+        InterfaceProperty = interfaceProperty;
+    }
+
+    public string GraphQLName { get; private set; }
+
+    public bool InterfaceProperty { get; set; }
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Attributes/GraphShadowPropertyAttribute.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Attributes/GraphShadowPropertyAttribute.cs
new file mode 100644
index 00000000..474594b9
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Attributes/GraphShadowPropertyAttribute.cs
@@ -0,0 +1,21 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+namespace Linq2GraphQL.TestClientStandalone.Runtime;
+
+[AttributeUsage(AttributeTargets.Property)]
+public class GraphShadowPropertyAttribute : Attribute
+{
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/ClientBuilder.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/ClientBuilder.cs
new file mode 100644
index 00000000..b5dfcb3e
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/ClientBuilder.cs
@@ -0,0 +1,32 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime;
+
+public class ClientBuilder<T> : IGraphClientBuilder<T> where T : class
+{
+    public ClientBuilder(
+        string clientName,
+        IServiceCollection services)
+    {
+        ClientName = clientName;
+        Services = services;
+    }
+
+    public string ClientName { get; }
+    public IServiceCollection Services { get; }
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Common/ClientJson.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Common/ClientJson.cs
new file mode 100644
index 00000000..a52aa275
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Common/ClientJson.cs
@@ -0,0 +1,41 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime.Common;
+
+/// <summary>
+///     Shared, frozen JsonSerializerOptions for all GraphClient instances.
+///     System.Text.Json caches type metadata per options instance, so a single shared
+///     instance avoids rebuilding converters and property metadata on every request.
+///     Values are identical to the historical per-client configuration.
+/// </summary>
+internal static class ClientJson
+{
+    internal static readonly JsonSerializerOptions Default = CreateDefault();
+
+    private static JsonSerializerOptions CreateDefault()
+    {
+        var options = new JsonSerializerOptions
+        {
+            DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull,
+            Converters = { },
+        };
+        options.MakeReadOnly(populateMissingResolver: true);
+        return options;
+    }
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Common/CustomScalar.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Common/CustomScalar.cs
new file mode 100644
index 00000000..b773d577
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Common/CustomScalar.cs
@@ -0,0 +1,33 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+namespace Linq2GraphQL.TestClientStandalone.Runtime;
+
+public class CustomScalar
+{
+    internal object InternalValue { get; set; }
+
+    public virtual object Value
+    {
+        get => InternalValue;
+
+        set => InternalValue = value;
+    }
+
+    public override string ToString()
+    {
+        return InternalValue?.ToString();
+    }
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Common/GraphEnvelopeReader.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Common/GraphEnvelopeReader.cs
new file mode 100644
index 00000000..b52223f6
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Common/GraphEnvelopeReader.cs
@@ -0,0 +1,154 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Buffers;
+using System.Text.Json;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime.Common;
+
+/// <summary>
+///     The single parser for the GraphQL response envelope (<c>data</c> / <c>errors</c> /
+///     <c>extensions</c>). Reads directly from UTF-8 bytes: only the requested field under
+///     "data" is deserialized; sibling root fields are skipped without materializing a typed
+///     value. No JsonDocument and no UTF-16 round trip. Every response path (typed queries,
+///     raw GraphClient.ExecuteAsync, the public ProcessResponse overloads and subscription
+///     payloads) goes through here, so they cannot drift apart.
+/// </summary>
+internal static class GraphEnvelopeReader
+{
+    /// <summary>
+    ///     Reads the envelope and deserializes only <c>data.{name}</c> as <typeparamref name="T"/>.
+    ///     An empty body yields a result with no data and no errors.
+    /// </summary>
+    internal static GraphResult<T> Read<T>(ReadOnlySpan<byte> utf8, string name, JsonSerializerOptions options)
+    {
+        ArgumentNullException.ThrowIfNull(name);
+        return ReadCore<T>(utf8, name, options, out _);
+    }
+
+    /// <summary>
+    ///     Reads the envelope and returns the whole <c>data</c> value as a standalone
+    ///     <see cref="JsonElement"/> (for queries written as GraphQL text). A JSON <c>null</c>
+    ///     data is returned as a <see cref="JsonValueKind.Null"/> element and a missing one as
+    ///     <c>default</c>. <paramref name="isEnvelope"/> reports whether the body carried a
+    ///     <c>data</c> or <c>errors</c> member, i.e. whether it is a GraphQL response at all.
+    /// </summary>
+    internal static GraphResult<JsonElement> ReadDocument(ReadOnlySpan<byte> utf8, JsonSerializerOptions options,
+        out bool isEnvelope)
+    {
+        return ReadCore<JsonElement>(utf8, null, options, out isEnvelope);
+    }
+
+    /// <param name="name">Root field to read, or <c>null</c> to read the whole <c>data</c> value.</param>
+    private static GraphResult<T> ReadCore<T>(ReadOnlySpan<byte> utf8, string name, JsonSerializerOptions options,
+        out bool isEnvelope)
+    {
+        isEnvelope = false;
+
+        if (utf8.Length == 0)
+        {
+            return new GraphResult<T> { Data = default };
+        }
+
+        var reader = new Utf8JsonReader(utf8, isFinalBlock: true, state: default);
+
+        if (reader.Read() && reader.TokenType == JsonTokenType.StartObject)
+        {
+            List<GraphQueryError> errors = null;
+            Dictionary<string, object> extensions = null;
+            T data = default;
+
+            while (reader.Read())
+            {
+                if (reader.TokenType == JsonTokenType.EndObject)
+                {
+                    break;
+                }
+
+                var propertyName = reader.GetString();
+                reader.Read();
+
+                switch (propertyName)
+                {
+                    case "data":
+                        isEnvelope = true;
+                        data = name == null
+                            ? JsonSerializer.Deserialize<T>(ref reader, options)
+                            : ReadData<T>(ref reader, name, options);
+                        break;
+                    case "errors":
+                        isEnvelope = true;
+                        errors = JsonSerializer.Deserialize<List<GraphQueryError>>(ref reader, options);
+                        break;
+                    case "extensions":
+                        extensions =
+                            JsonSerializer.Deserialize<Dictionary<string, object>>(ref reader, options);
+                        break;
+                    default:
+                        reader.Skip();
+                        break;
+                }
+            }
+
+            return new GraphResult<T> { Data = data, Errors = errors, Extensions = extensions };
+        }
+
+        throw new JsonException("GraphQL response envelope must be a JSON object.");
+    }
+
+    private static TData ReadData<TData>(ref Utf8JsonReader reader, string name, JsonSerializerOptions options)
+    {
+        if (reader.TokenType == JsonTokenType.Null)
+        {
+            return default;
+        }
+
+        if (reader.TokenType != JsonTokenType.StartObject)
+        {
+            throw new JsonException("The 'data' property must be a JSON object or null.");
+        }
+
+        TData result = default;
+        while (reader.Read())
+        {
+            if (reader.TokenType == JsonTokenType.EndObject)
+            {
+                break;
+            }
+
+            var fieldName = reader.GetString();
+            reader.Read();
+
+            if (fieldName == name)
+            {
+                if (reader.TokenType == JsonTokenType.Null)
+                {
+                    result = default;
+                }
+                else
+                {
+                    result = JsonSerializer.Deserialize<TData>(ref reader, options);
+                }
+            }
+            else
+            {
+                // Multi-root query: never materialize fields we were not asked for.
+                reader.Skip();
+            }
+        }
+
+        return result;
+    }
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Common/GraphQLTypeBase.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Common/GraphQLTypeBase.cs
new file mode 100644
index 00000000..35b818c7
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Common/GraphQLTypeBase.cs
@@ -0,0 +1,58 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System.IO;
+using System.Net.Http;
+using System.Threading;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Text.Json.Serialization;
+using System.Text.Json;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime.Common
+{
+    public abstract class GraphQLTypeBase
+    {
+
+        public T GetMethodValue<T>(string methodName, params object[] arguments)
+        {
+            var id = Utilities.GetArgumentsId(arguments);
+
+            if (__AdditionalProperties?.TryGetValue(methodName + id, out var value) != true)
+            {
+                return default;
+            }
+
+            return value.Deserialize<T>(ClientJson.Default);
+        }
+
+        public T GetFirstMethodValue<T>(string methodName)
+        {
+            var keyValue = __AdditionalProperties?.FirstOrDefault(e => e.Key.StartsWith(methodName));
+            if (keyValue == null || keyValue.Value.Key == null)
+            {
+                return default;
+            }
+
+            return keyValue.Value.Value.Deserialize<T>(ClientJson.Default);
+        }
+
+
+
+        /// <summary>
+        ///     Unknown properties captured during deserialization. Null until the serializer
+        ///     actually meets an unknown property — no dictionary is allocated per object.
+        /// </summary>
+        [JsonExtensionData]
+        public Dictionary<string, JsonElement> __AdditionalProperties { get; set; }
+    }
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Common/ICursorPaging.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Common/ICursorPaging.cs
new file mode 100644
index 00000000..d7495469
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Common/ICursorPaging.cs
@@ -0,0 +1,28 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System.IO;
+using System.Net.Http;
+using System.Threading;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Text.Json.Serialization;
+using System.Threading.Tasks;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime.Common
+{
+    public interface ICursorPaging
+    {
+        [GraphQLMember("pageInfo")]
+        [JsonPropertyName("pageInfo")]
+        public PageInfo PageInfo { get; set; }
+      
+    }
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Common/IPageInfo.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Common/IPageInfo.cs
new file mode 100644
index 00000000..21789f4a
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Common/IPageInfo.cs
@@ -0,0 +1,40 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System.IO;
+using System.Net.Http;
+using System.Threading;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Text.Json.Serialization;
+using System.Threading.Tasks;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime.Common
+{
+    public class PageInfo
+    {
+        [GraphQLMember("hasNextPage")]
+        [JsonPropertyName("hasNextPage")]
+        public bool HasNextPage { get; set; }
+
+        [GraphQLMember("hasPreviousPage")]
+        [JsonPropertyName("hasPreviousPage")]
+        public bool HasPreviousPage { get; set; }
+
+        [GraphQLMember("startCursor")]
+        [JsonPropertyName("startCursor")]
+        public string StartCursor { get; set; }
+
+        [GraphQLMember("endCursor")]
+        [JsonPropertyName("endCursor")]
+        public string EndCursor { get; set; }
+
+    }
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Common/LazyProperty.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Common/LazyProperty.cs
new file mode 100644
index 00000000..fe1ec1f5
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Common/LazyProperty.cs
@@ -0,0 +1,35 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System.IO;
+using System.Net.Http;
+using System.Threading;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime.Common
+{
+    public class LazyProperty<T>
+    {
+        bool _initialized = false;
+        T _result;
+
+        public T Value(Func<T> fn)
+        {
+            if (!_initialized)
+            {
+                _result = fn();
+                _initialized = true;
+            }
+            return _result;
+        }
+    }
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Converters/CustomScalarConverter.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Converters/CustomScalarConverter.cs
new file mode 100644
index 00000000..26460c87
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Converters/CustomScalarConverter.cs
@@ -0,0 +1,56 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime;
+
+public class CustomScalarConverter<TScalar> : JsonConverter<TScalar>
+    where TScalar : CustomScalar, new()
+{
+    public override TScalar Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+    {
+        object value = null;
+        switch (reader.TokenType)
+        {
+            case JsonTokenType.Null:
+            case JsonTokenType.None:
+                return null;
+            case JsonTokenType.String:
+                value = reader.GetString();
+                break;
+            case JsonTokenType.Number:
+                value = reader.GetDecimal();
+                break;
+            case JsonTokenType.True:
+                value = true;
+                break;
+            case JsonTokenType.False:
+                value = false;
+                break;
+            default:
+                value = JsonDocument.ParseValue(ref reader);
+                break;
+        }
+
+        return new() { Value = value };
+    }
+
+    public override void Write(Utf8JsonWriter writer, TScalar value, JsonSerializerOptions options)
+    {
+        writer.WriteStringValue(value.InternalValue?.ToString());
+    }
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Converters/EnumConverter.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Converters/EnumConverter.cs
new file mode 100644
index 00000000..f99f6cad
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Converters/EnumConverter.cs
@@ -0,0 +1,359 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Reflection;
+using System.Runtime.Serialization;
+using System.Text;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime;
+
+
+public class JsonStringEnumMemberConverter : JsonConverterFactory
+{
+    private readonly bool _allowIntegerValues;
+    private readonly JsonNamingPolicy _namingPolicy;
+
+    public JsonStringEnumMemberConverter()
+        : this(null, true) { }
+
+    public JsonStringEnumMemberConverter(JsonNamingPolicy namingPolicy = null, bool allowIntegerValues = true)
+    {
+        _namingPolicy = namingPolicy;
+        _allowIntegerValues = allowIntegerValues;
+    }
+
+    public override bool CanConvert(Type typeToConvert)
+    {
+        return typeToConvert.IsEnum;
+    }
+
+    public override JsonConverter CreateConverter(Type typeToConvert, JsonSerializerOptions options)
+    {
+        return (JsonConverter)Activator.CreateInstance(
+            typeof(Converter<>).MakeGenericType(typeToConvert),
+            BindingFlags.Instance | BindingFlags.Public,
+            null,
+            new object[] { _namingPolicy, _allowIntegerValues },
+            null);
+    }
+
+    private class Converter<T> : JsonConverter<T>
+        where T : struct, Enum
+    {
+        private static readonly Type s_enumType = typeof(T);
+        private static readonly TypeCode s_enumTypeCode = Type.GetTypeCode(s_enumType);
+
+        private readonly bool _allowIntegerValues;
+        private readonly bool _isFlags;
+        private readonly Dictionary<ulong, EnumInfo> _rawToTransformed;
+        private readonly Dictionary<string, EnumInfo> _transformedToRaw;
+
+        public Converter(JsonNamingPolicy namingPolicy = null, bool allowIntegerValues = true)
+        {
+            _allowIntegerValues = allowIntegerValues;
+
+            _isFlags = s_enumType.IsDefined(typeof(FlagsAttribute), true);
+
+            var builtInNames = s_enumType.GetEnumNames();
+            var builtInValues = s_enumType.GetEnumValues();
+
+            _rawToTransformed = new Dictionary<ulong, EnumInfo>();
+            _transformedToRaw = new Dictionary<string, EnumInfo>();
+
+            for (var i = 0; i < builtInNames.Length; i++)
+            {
+                var enumValue = (T)builtInValues.GetValue(i);
+                var rawValue = GetEnumValue(enumValue);
+
+                var name = builtInNames[i];
+
+                string transformedName;
+                if (namingPolicy == null)
+                {
+                    var field = s_enumType.GetField(name,
+                        BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Static)!;
+                    var enumMemberAttribute = field.GetCustomAttribute<EnumMemberAttribute>(true);
+                    transformedName = enumMemberAttribute?.Value ?? name;
+                }
+                else
+                {
+                    transformedName = namingPolicy.ConvertName(name) ?? name;
+                }
+
+                _rawToTransformed[rawValue] = new EnumInfo
+                {
+                    Name = transformedName,
+                    EnumValue = enumValue,
+                    RawValue = rawValue
+                };
+                _transformedToRaw[transformedName] = new EnumInfo
+                {
+                    Name = name,
+                    EnumValue = enumValue,
+                    RawValue = rawValue
+                };
+            }
+        }
+
+        private static ulong GetEnumValue(object value)
+        {
+            switch (s_enumTypeCode)
+            {
+                case TypeCode.Int32:
+                    return (ulong)(int)value;
+                case TypeCode.UInt32:
+                    return (uint)value;
+                case TypeCode.UInt64:
+                    return (ulong)value;
+                case TypeCode.Int64:
+                    return (ulong)(long)value;
+
+                case TypeCode.SByte:
+                    return (ulong)(sbyte)value;
+                case TypeCode.Byte:
+                    return (byte)value;
+                case TypeCode.Int16:
+                    return (ulong)(short)value;
+                case TypeCode.UInt16:
+                    return (ushort)value;
+            }
+
+            throw new NotSupportedException();
+        }
+
+        public override T Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+        {
+            var token = reader.TokenType;
+
+            if (token == JsonTokenType.String)
+            {
+                var enumString = reader.GetString();
+
+                // Case sensitive search attempted first.
+                if (_transformedToRaw.TryGetValue(enumString, out var enumInfo))
+                {
+                    return (T)Enum.ToObject(s_enumType, enumInfo.RawValue);
+                }
+
+                if (_isFlags)
+                {
+                    ulong calculatedValue = 0;
+
+                    var flagValues = enumString.Split(", ");
+                    foreach (var flagValue in flagValues)
+                    {
+                        // Case sensitive search attempted first.
+                        if (_transformedToRaw.TryGetValue(flagValue, out enumInfo))
+                        {
+                            calculatedValue |= enumInfo.RawValue;
+                        }
+                        else
+                        {
+                            // Case insensitive search attempted second.
+
+                            var matched = false;
+                            foreach (var enumItem in _transformedToRaw)
+                            {
+                                if (string.Equals(enumItem.Key, flagValue, StringComparison.OrdinalIgnoreCase))
+                                {
+                                    calculatedValue |= enumItem.Value.RawValue;
+                                    matched = true;
+                                    break;
+                                }
+                            }
+
+                            if (!matched)
+                            {
+                                throw new NotSupportedException();
+                            }
+                        }
+                    }
+
+                    return (T)Enum.ToObject(s_enumType, calculatedValue);
+                }
+
+                // Case insensitive search attempted second.
+                foreach (var enumItem in _transformedToRaw)
+                {
+                    if (string.Equals(enumItem.Key, enumString, StringComparison.OrdinalIgnoreCase))
+                    {
+                        return (T)Enum.ToObject(s_enumType, enumItem.Value.RawValue);
+                    }
+                }
+
+                if (_transformedToRaw.TryGetValue("", out var value))
+                {
+                    return value.EnumValue;
+                }
+
+                throw new NotSupportedException();
+            }
+
+            if (token != JsonTokenType.Number || !_allowIntegerValues)
+            {
+                throw new NotSupportedException();
+            }
+
+            switch (s_enumTypeCode)
+            {
+                // Switch cases ordered by expected frequency
+
+                case TypeCode.Int32:
+                    if (reader.TryGetInt32(out var int32))
+                    {
+                        return (T)Enum.ToObject(s_enumType, int32);
+                    }
+
+                    break;
+                case TypeCode.UInt32:
+                    if (reader.TryGetUInt32(out var uint32))
+                    {
+                        return (T)Enum.ToObject(s_enumType, uint32);
+                    }
+
+                    break;
+                case TypeCode.UInt64:
+                    if (reader.TryGetUInt64(out var uint64))
+                    {
+                        return (T)Enum.ToObject(s_enumType, uint64);
+                    }
+
+                    break;
+                case TypeCode.Int64:
+                    if (reader.TryGetInt64(out var int64))
+                    {
+                        return (T)Enum.ToObject(s_enumType, int64);
+                    }
+
+                    break;
+
+                case TypeCode.SByte:
+                    if (reader.TryGetSByte(out var byte8))
+                    {
+                        return (T)Enum.ToObject(s_enumType, byte8);
+                    }
+
+                    break;
+                case TypeCode.Byte:
+                    if (reader.TryGetByte(out var ubyte8))
+                    {
+                        return (T)Enum.ToObject(s_enumType, ubyte8);
+                    }
+
+                    break;
+                case TypeCode.Int16:
+                    if (reader.TryGetInt16(out var int16))
+                    {
+                        return (T)Enum.ToObject(s_enumType, int16);
+                    }
+
+                    break;
+                case TypeCode.UInt16:
+                    if (reader.TryGetUInt16(out var uint16))
+                    {
+                        return (T)Enum.ToObject(s_enumType, uint16);
+                    }
+
+                    break;
+            }
+
+            throw new NotSupportedException();
+        }
+
+        public override void Write(Utf8JsonWriter writer, T value, JsonSerializerOptions options)
+        {
+            var rawValue = GetEnumValue(value);
+
+            if (_rawToTransformed.TryGetValue(rawValue, out var enumInfo))
+            {
+                writer.WriteStringValue(enumInfo.Name);
+                return;
+            }
+
+            if (_isFlags)
+            {
+                ulong calculatedValue = 0;
+
+                var Builder = new StringBuilder();
+                foreach (var enumItem in _rawToTransformed)
+                {
+                    enumInfo = enumItem.Value;
+                    if (!value.HasFlag(enumInfo.EnumValue)
+                        || enumInfo.RawValue == 0) // Definitions with 'None' should hit the cache case.
+                    {
+                        continue;
+                    }
+
+                    // Track the value to make sure all bits are represented.
+                    calculatedValue |= enumInfo.RawValue;
+
+                    if (Builder.Length > 0)
+                        Builder.Append(", ");
+                    Builder.Append(enumInfo.Name);
+                }
+
+                if (calculatedValue == rawValue)
+                {
+                    writer.WriteStringValue(Builder.ToString());
+                    return;
+                }
+            }
+
+            if (!_allowIntegerValues)
+            {
+                throw new NotSupportedException();
+            }
+
+            switch (s_enumTypeCode)
+            {
+                case TypeCode.Int32:
+                    writer.WriteNumberValue((int)rawValue);
+                    break;
+                case TypeCode.UInt32:
+                    writer.WriteNumberValue((uint)rawValue);
+                    break;
+                case TypeCode.UInt64:
+                    writer.WriteNumberValue(rawValue);
+                    break;
+                case TypeCode.Int64:
+                    writer.WriteNumberValue((long)rawValue);
+                    break;
+                case TypeCode.Int16:
+                    writer.WriteNumberValue((short)rawValue);
+                    break;
+                case TypeCode.UInt16:
+                    writer.WriteNumberValue((ushort)rawValue);
+                    break;
+                case TypeCode.Byte:
+                    writer.WriteNumberValue((byte)rawValue);
+                    break;
+                case TypeCode.SByte:
+                    writer.WriteNumberValue((sbyte)rawValue);
+                    break;
+                default:
+                    throw new NotSupportedException();
+            }
+        }
+
+        private class EnumInfo
+        {
+            public T EnumValue;
+            public string Name;
+            public ulong RawValue;
+        }
+    }
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Converters/GraphInputConverter.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Converters/GraphInputConverter.cs
new file mode 100644
index 00000000..d6facca6
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Converters/GraphInputConverter.cs
@@ -0,0 +1,33 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime;
+
+public class GraphInputConverter<ToGraphInputBase> : JsonConverter<ToGraphInputBase>
+    where ToGraphInputBase : GraphInputBase
+{
+    public override ToGraphInputBase Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+    {
+        throw new NotImplementedException();
+    }
+
+    public override void Write(Utf8JsonWriter writer, ToGraphInputBase value, JsonSerializerOptions options)
+    {
+        JsonSerializer.Serialize(writer, value.GetValues(), options);
+    }
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Converters/InterfaceConverter.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Converters/InterfaceConverter.cs
new file mode 100644
index 00000000..6a569161
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Converters/InterfaceConverter.cs
@@ -0,0 +1,76 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Text.Json;
+using System.Text.Json.Nodes;
+using System.Text.Json.Serialization;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime.Converters;
+
+public class InterfaceConverter<TImplementation, TInterface> : JsonConverter<TInterface>
+    where TImplementation : class, TInterface
+{
+    public override TInterface Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+    {
+        return JsonSerializer.Deserialize<TImplementation>(ref reader, options);
+    }
+
+    public override void Write(Utf8JsonWriter writer, TInterface value, JsonSerializerOptions options)
+    {
+    }
+}
+
+public abstract class InterfaceJsonConverter<T> : JsonConverter<T>
+{
+    public override T Read(ref Utf8JsonReader reader,
+        Type typeToConvert,
+        JsonSerializerOptions options)
+    {
+        var json = JsonSerializer.Deserialize<JsonObject>(ref reader);
+        if (json is null)
+        {
+            return default;
+        }
+
+        if (!json.ContainsKey("__typename"))
+        {
+            return default;
+        }
+
+        var type = json["__typename"]!.ToString();
+        var value = Deserialize(type, json);
+        return value;
+    }
+
+    public abstract T Deserialize(string typeName, JsonObject json);
+
+    public override void Write(
+        Utf8JsonWriter writer,
+        T value,
+        JsonSerializerOptions options)
+    {
+        switch (value)
+        {
+            case null:
+                JsonSerializer.Serialize(writer, default!, options);
+                break;
+            default:
+            {
+                JsonSerializer.Serialize(writer, value, value.GetType(), options);
+                break;
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Exceptions/GraphErrorCode.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Exceptions/GraphErrorCode.cs
new file mode 100644
index 00000000..ad72992a
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Exceptions/GraphErrorCode.cs
@@ -0,0 +1,70 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+namespace Linq2GraphQL.TestClientStandalone.Runtime;
+
+public enum GraphErrorCode
+{
+    Unknown,
+    Authentication,
+    Authorization,
+    Forbidden,
+    Validation,
+    BadRequest,
+    NotFound,
+    RateLimited,
+    InternalServerError,
+    Timeout,
+    Conflict,
+    PersistedQueryNotFound,
+    PersistedQueryMismatch
+}
+
+internal static class GraphErrorCodeClassifier
+{
+    private static readonly Dictionary<string, GraphErrorCode> CodeMap = new(StringComparer.OrdinalIgnoreCase)
+    {
+        // Apollo / GraphQL-over-HTTP codes
+        { "UNAUTHENTICATED", GraphErrorCode.Authentication },
+        { "FORBIDDEN", GraphErrorCode.Forbidden },
+        { "BAD_USER_INPUT", GraphErrorCode.BadRequest },
+        { "VALIDATION_FAILED", GraphErrorCode.Validation },
+        { "GRAPHQL_VALIDATION_FAILED", GraphErrorCode.Validation },
+        { "INTERNAL_SERVER_ERROR", GraphErrorCode.InternalServerError },
+        { "PERSISTED_QUERY_NOT_FOUND", GraphErrorCode.PersistedQueryNotFound },
+        { "PERSISTED_QUERY_NOT_SUPPORTED", GraphErrorCode.PersistedQueryMismatch },
+        // Hot Chocolate codes
+        { "AUTH_NOT_AUTHENTICATED", GraphErrorCode.Authentication },
+        { "AUTH_NOT_AUTHORIZED", GraphErrorCode.Authorization },
+        { "HC0018", GraphErrorCode.Validation },
+        { "HC0008", GraphErrorCode.BadRequest },
+        { "HC0012", GraphErrorCode.NotFound },
+        { "HC0001", GraphErrorCode.InternalServerError },
+        // Common patterns
+        { "RATE_LIMITED", GraphErrorCode.RateLimited },
+        { "RATE_LIMIT_EXCEEDED", GraphErrorCode.RateLimited },
+        { "THROTTLED", GraphErrorCode.RateLimited },
+        { "TIMEOUT", GraphErrorCode.Timeout },
+        { "REQUEST_TIMEOUT", GraphErrorCode.Timeout },
+        { "CONFLICT", GraphErrorCode.Conflict },
+        { "NOT_FOUND", GraphErrorCode.NotFound },
+    };
+
+    internal static GraphErrorCode Classify(string code)
+    {
+        if (string.IsNullOrWhiteSpace(code)) return GraphErrorCode.Unknown;
+        return CodeMap.TryGetValue(code, out var errorCode) ? errorCode : GraphErrorCode.Unknown;
+    }
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Exceptions/GraphQueryExecutionException.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Exceptions/GraphQueryExecutionException.cs
new file mode 100644
index 00000000..b8052a3f
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Exceptions/GraphQueryExecutionException.cs
@@ -0,0 +1,65 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Text.Json.Serialization;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime;
+
+public class GraphQueryExecutionException : Exception
+{
+    public GraphQueryExecutionException(string query, Dictionary<string, object> variables) : base(
+        "Unexpected error response received from server.")
+    {
+        GraphQLQuery = query;
+        GraphQLVariables = variables;
+    }
+
+    public GraphQueryExecutionException(IEnumerable<GraphQueryError> errors, string query,
+        Dictionary<string, object> variables)
+        : base($"{errors.FirstOrDefault()?.Message} - Check {nameof(Errors)} property for details")
+    {
+        Errors = errors;
+        GraphQLQuery = query;
+        GraphQLVariables = variables;
+    }
+
+    public string GraphQLQuery { get; private set; }
+    public Dictionary<string, object> GraphQLVariables { get; private set; }
+
+    public IEnumerable<GraphQueryError> Errors { get; private set; }
+}
+
+public class GraphQueryError
+{
+    [JsonPropertyName("message")] public string Message { get; set; }
+
+    [JsonPropertyName("locations")] public ErrorLocation[] Locations { get; set; }
+
+    [JsonPropertyName("path")] public List<object> Path { get; set; }
+
+    [JsonPropertyName("extensions")] public Dictionary<string, object> Extensions { get; set; }
+
+    public GraphErrorCode ErrorCode =>
+        Extensions?.TryGetValue("code", out var codeObj) == true
+            ? GraphErrorCodeClassifier.Classify(codeObj?.ToString())
+            : GraphErrorCode.Unknown;
+}
+
+public class ErrorLocation
+{
+    [JsonPropertyName("line")] public int Line { get; set; }
+
+    [JsonPropertyName("column")] public int Column { get; set; }
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Exceptions/GraphQueryRequestException.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Exceptions/GraphQueryRequestException.cs
new file mode 100644
index 00000000..eb680963
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Exceptions/GraphQueryRequestException.cs
@@ -0,0 +1,29 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+namespace Linq2GraphQL.TestClientStandalone.Runtime;
+
+public class GraphQueryRequestException : Exception
+{
+    public GraphQueryRequestException(string message, string query, Dictionary<string, object> variables) :
+        base(message)
+    {
+        GraphQLQuery = query;
+        GraphQLVariables = variables;
+    }
+
+    public string GraphQLQuery { get; private set; }
+    public Dictionary<string, object> GraphQLVariables { get; private set; }
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Exceptions/GraphQueryTranslationException.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Exceptions/GraphQueryTranslationException.cs
new file mode 100644
index 00000000..27a1409d
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Exceptions/GraphQueryTranslationException.cs
@@ -0,0 +1,50 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Linq.Expressions;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime;
+
+/// <summary>
+///     Thrown when an expression passed to <c>Include</c> or <c>Select</c> cannot be turned into a GraphQL
+///     selection, either because it uses a construct that has no GraphQL equivalent or because it reads
+///     something that is not part of the query.
+/// </summary>
+/// <remarks>
+///     The query text does not exist yet when translation fails, so unlike
+///     <see cref="GraphQueryRequestException" /> and <see cref="GraphQueryExecutionException" /> this
+///     exception carries the offending <see cref="Expression" /> instead.
+///     It derives from <see cref="NotSupportedException" />, which is what the parser threw before this type
+///     existed, so callers that catch that keep working.
+/// </remarks>
+public class GraphQueryTranslationException : NotSupportedException
+{
+    public GraphQueryTranslationException(string message, Expression expression, string memberName = null)
+        : base(message)
+    {
+        Expression = expression;
+        MemberName = memberName;
+    }
+
+    /// <summary>
+    ///     The part of the expression that could not be translated.
+    /// </summary>
+    public Expression Expression { get; }
+
+    /// <summary>
+    ///     The LINQ operator or GraphQL member the failure is about, when it is about a single one.
+    /// </summary>
+    public string MemberName { get; }
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Extensions.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Extensions.cs
new file mode 100644
index 00000000..3291cc34
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Extensions.cs
@@ -0,0 +1,80 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Reflection;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime;
+
+internal static class Extensions
+{
+    internal static bool IsValueTypeOrString(this Type type)
+    {
+        if (type == null)
+        {
+            return false;
+        }
+
+        return type.IsValueType || type == typeof(string) || type.IsSubclassOf(typeof(CustomScalar));
+        ;
+    }
+
+    internal static bool IsListOfPrimitiveTypeOrString(this Type type)
+    {
+        return GetTypeOrListType(type).IsValueTypeOrString();
+    }
+
+    private static bool IsList(this Type type)
+    {
+        return type.IsGenericType && type.GetGenericTypeDefinition() == typeof(List<>);
+    }
+
+    internal static Type GetTypeOrListType(this Type type)
+    {
+        if (type.IsList())
+        {
+            var genericArguments = type.GetGenericArguments();
+
+            return genericArguments[0].GetTypeOrListType();
+        }
+
+        return type;
+    }
+
+    internal static string ToCamelCase(this string input)
+    {
+        if (char.IsLower(input[0]))
+        {
+            return input;
+        }
+
+        return string.Concat(input[..1].ToLower(), input.AsSpan(1));
+    }
+
+    internal static Type GetUnderlyingType(this MemberInfo member)
+    {
+        return member.MemberType switch
+        {
+            MemberTypes.TypeInfo => (Type)member,
+            MemberTypes.Event => ((EventInfo)member).EventHandlerType,
+            MemberTypes.Field => ((FieldInfo)member).FieldType,
+            MemberTypes.Method => ((MethodInfo)member).ReturnType,
+            MemberTypes.Property => ((PropertyInfo)member).PropertyType,
+            _ => throw new ArgumentException
+            (
+                "Input MemberInfo must be if type TypeInfo, EventInfo, FieldInfo, MethodInfo, or PropertyInfo"
+            )
+        };
+    }
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/GraphBase.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/GraphBase.cs
new file mode 100644
index 00000000..4b8b6c77
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/GraphBase.cs
@@ -0,0 +1,55 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Linq.Expressions;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime;
+
+public abstract class GraphBase<T, TGraph>
+{
+    protected readonly GraphClient client;
+    protected readonly OperationType operationType;
+
+    public GraphBase(GraphClient client, string name, OperationType operationType, List<ArgumentValue> arguments)
+    {
+        this.client = client;
+        this.operationType = operationType;
+        QueryNode = new(typeof(T), name, arguments, null, true);
+    }
+
+    public QueryNode QueryNode { get; }
+
+
+    /// <summary>
+    ///     Include top node
+    /// </summary>
+    /// <returns></returns>
+    public TGraph Include()
+    {
+        QueryNode.IncludePrimitive = true;
+        return (TGraph)(object)this;
+    }
+
+    public TGraph Include<TProperty>(Expression<Func<T, TProperty>> path)
+    {
+        Utilities.ParseExpression(path, QueryNode);
+        return (TGraph)(object)this;
+    }
+
+    public void ParseExpression(Expression body)
+    {
+        Utilities.ParseExpression(body, QueryNode);
+    }
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/GraphBaseExecute.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/GraphBaseExecute.cs
new file mode 100644
index 00000000..3ec6e302
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/GraphBaseExecute.cs
@@ -0,0 +1,212 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using Linq2GraphQL.TestClientStandalone.Runtime.Schema;
+using System.Collections.Generic;
+using System.Linq.Expressions;
+using System.Text;
+using System.Text.Json;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime;
+
+public abstract class GraphBaseExecute<T, TResult>
+{
+    protected readonly GraphClient client;
+    protected readonly OperationType operationType;
+    protected readonly QueryExecutor<T> queryExecutor;
+    public readonly QueryNode QueryNode;
+    protected readonly Func<T, TResult> mapper;
+    protected readonly Expression<Func<T, TResult>> selector;
+
+    private readonly SemaphoreSlim _lock = new(1, 1);
+    private volatile bool intialized;
+    private GraphQLSchema schema;
+
+    public GraphBaseExecute(GraphClient client, OperationType operationType, QueryNode queryNode,
+        Expression<Func<T, TResult>> selector)
+    {
+        this.client = client;
+        this.operationType = operationType;
+        this.QueryNode = queryNode;
+        // Identity selector (r => r) is the common case — skip the expression compilation;
+        // ConvertResult already handles a null mapper as identity.
+        this.mapper = selector == null || selector.Body == selector.Parameters[0] ? null : selector.Compile();
+        this.selector = selector;
+        queryExecutor = new QueryExecutor<T>(client);
+    }
+
+    private async Task InitQueryAsync(CancellationToken cancellationToken)
+    {
+        // Fast path: initialization is one-shot; skip the semaphore once done.
+        if (intialized)
+        {
+            return;
+        }
+
+        // Outside the try: a cancelled wait never acquired the lock, so it must not release it.
+        await _lock.WaitAsync(cancellationToken);
+        try
+        {
+            if (!intialized)
+            {
+                // A cancelled schema fetch throws before intialized is set, so the next caller retries.
+                schema = await client.GetSchemaForSafeModeAsync(cancellationToken);
+                QueryNode.SetAllUniqueVariableNames();
+                QueryNode.AddPrimitiveChildren(true, schema);
+                intialized = true;
+            }
+
+        }
+        finally
+        {
+            _lock.Release();
+        }
+    }
+
+    public GraphQLSchema Schema => schema;
+
+    private string GetQueryVariablesString(IReadOnlyList<ArgumentValue> args)
+    {
+        if (args.Count == 0)
+        {
+            return "";
+        }
+
+        var text = new StringBuilder(args.Count * 32);
+        foreach (var argument in args)
+        {
+            text.Append('$').Append(argument.VariableName).Append(": ").Append(argument.GraphType).Append(' ');
+        }
+
+        return $"({text})";
+    }
+
+    public Task<string> GetRequestAsJsonAsync()
+    {
+        return GetRequestAsJsonAsync(CancellationToken.None);
+    }
+
+    /// <summary>
+    /// Like <see cref="GetRequestAsJsonAsync()"/>, but the one-time safe-mode setup (waiting for
+    /// initialization and the schema query) stops when <paramref name="cancellationToken"/> is cancelled.
+    /// </summary>
+    public async Task<string> GetRequestAsJsonAsync(CancellationToken cancellationToken)
+    {
+        var request = await GetRequestAsync(cancellationToken);
+
+
+        var result = request.Query;
+
+        result += Environment.NewLine;
+        result += Environment.NewLine;
+        result += JsonSerializer.Serialize(request.Variables, client.SerializerOptions);
+
+        return result;
+    }
+
+
+    /// <summary>
+    /// The request this query would send, built without contacting the server: safe mode's schema check is
+    /// skipped, so automatically included fields are not validated against the live schema. Use it to show or
+    /// log a query; <see cref="GetRequestAsync"/> builds the request the query actually sends.
+    /// </summary>
+    public GraphQLRequest GetRequest()
+    {
+        _lock.Wait();
+        try
+        {
+            if (!intialized)
+            {
+                QueryNode.SetAllUniqueVariableNames();
+                QueryNode.AddPrimitiveChildren(true, null);
+                intialized = true;
+            }
+        }
+        finally
+        {
+            _lock.Release();
+        }
+
+        var args = QueryNode.GetAllActiveArguments();
+
+        return new GraphQLRequest
+        {
+            Query = GetGraphQLQuery(args),
+            Variables = args.ToDictionary(x => x.VariableName, e => e.Value)
+        };
+    }
+
+    public Task<GraphQLRequest> GetRequestAsync()
+    {
+        return GetRequestAsync(CancellationToken.None);
+    }
+
+    /// <summary>
+    /// Builds the request this query sends. The first call does one-time setup: with
+    /// <see cref="GraphClientOptions.UseSafeMode"/> on, that includes the schema query (unless the schema is
+    /// already cached). Cancelling <paramref name="cancellationToken"/> stops waiting for that setup and cancels
+    /// this caller's schema query; nothing is cached, so a later call starts the setup again.
+    /// </summary>
+    public async Task<GraphQLRequest> GetRequestAsync(CancellationToken cancellationToken)
+    {
+        await InitQueryAsync(cancellationToken);
+
+        // Compute active arguments once for both the query string and the variables.
+        var args = QueryNode.GetAllActiveArguments();
+
+        return new GraphQLRequest
+        {
+            Query = GetGraphQLQuery(args),
+            Variables = args.ToDictionary(x => x.VariableName, e => e.Value)
+        };
+    }
+
+    private string GetGraphQLQuery(IReadOnlyList<ArgumentValue> args)
+    {
+        return GetOperationType() + GetQueryVariablesString(args) + "{ " + Environment.NewLine +
+               QueryNode.GetQueryString() + Environment.NewLine + "}";
+    }
+
+    private string GetOperationType()
+    {
+        return operationType.ToString().ToLower();
+    }
+
+    public TResult ConvertResult(T result)
+    {
+        if (Equals(result, default(T)))
+        {
+            return default;
+        }
+
+        if (mapper == null)
+        {
+            return (TResult)(object)result;
+        }
+        else
+        {
+            return mapper.Invoke(result);
+        }
+    }
+
+    public GraphResult<TResult> ConvertResultFull(GraphResult<T> result)
+    {
+        return new GraphResult<TResult>
+        {
+            Data = ConvertResult(result.Data),
+            Errors = result.Errors,
+            Extensions = result.Extensions
+        };
+    }
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/GraphClient.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/GraphClient.cs
new file mode 100644
index 00000000..7c3c75f2
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/GraphClient.cs
@@ -0,0 +1,226 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Text.Json;
+using Linq2GraphQL.TestClientStandalone.Runtime.Converters;
+using Linq2GraphQL.TestClientStandalone.Runtime.Schema;
+using Microsoft.Extensions.Caching.Memory;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Options;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime;
+
+public class GraphClient
+{
+    private readonly IMemoryCache cache;
+    private readonly IOptions<GraphClientOptions> options;
+    private readonly bool includeDeprecated;
+
+    /// <summary>
+    /// Constructor for backward compatibility with code compiled against 0.13.83 and earlier.
+    /// This constructor calls the 4-parameter constructor with includeDeprecated = false.
+    /// </summary>
+    public GraphClient(HttpClient httpClient, IOptions<GraphClientOptions> options, IServiceProvider provider)
+        : this(httpClient, options, provider, false)
+    {
+    }
+
+    /// <summary>
+    /// Constructor with optional includeDeprecated parameter.
+    /// </summary>
+    public GraphClient(HttpClient httpClient, IOptions<GraphClientOptions> options, IServiceProvider provider,
+        bool includeDeprecated = false)
+    {
+        this.options = options;
+        this.includeDeprecated = includeDeprecated;
+        if (options.Value.UseSafeMode)
+        {
+            cache = provider.GetRequiredService<IMemoryCache>();
+        }
+
+        HttpClient = httpClient;
+
+        // Shared frozen options: one metadata cache for all clients instead of one per request.
+        SerializerOptions = Common.ClientJson.Default;
+
+        SubscriptionUrl = GetSubscriptionUrl();
+    }
+
+    private GraphClient(GraphClient source, Func<HttpRequestMessage, CancellationToken, ValueTask> configureRequest)
+    {
+        options = source.options;
+        includeDeprecated = source.includeDeprecated;
+        cache = source.cache;
+        HttpClient = source.HttpClient;
+        SerializerOptions = source.SerializerOptions;
+        SubscriptionUrl = source.SubscriptionUrl;
+        requestConfigurations = [..source.requestConfigurations, configureRequest];
+    }
+
+    /// <summary>
+    /// Hooks added with <see cref="WithRequestConfiguration"/>, run in order after
+    /// <see cref="GraphClientOptions.ConfigureRequest"/>.
+    /// </summary>
+    private readonly Func<HttpRequestMessage, CancellationToken, ValueTask>[] requestConfigurations = [];
+
+    /// <summary>
+    /// A client that shares this client's HttpClient, options, schema cache and serializer settings, and also
+    /// runs <paramref name="configureRequest"/> on every request it sends, after the hooks already in place.
+    /// Use it for per-user or per-conversation headers such as an access token. Creating one is cheap, and
+    /// this client is not changed.
+    /// </summary>
+    public GraphClient WithRequestConfiguration(Func<HttpRequestMessage, CancellationToken, ValueTask> configureRequest)
+    {
+        ArgumentNullException.ThrowIfNull(configureRequest);
+        return new GraphClient(this, configureRequest);
+    }
+
+    /// <summary>
+    /// Executes a query written as GraphQL text and returns the whole <c>data</c> object as JSON, together
+    /// with any errors and extensions. GraphQL errors, including a server rejecting the document, are
+    /// returned in the result rather than thrown; only transport failures throw
+    /// <see cref="GraphQueryRequestException"/>. The request goes through the same hooks as typed queries.
+    /// </summary>
+    public Task<GraphResult<JsonElement>> ExecuteAsync(string query, IDictionary<string, object> variables = null,
+        CancellationToken cancellationToken = default)
+    {
+        ArgumentException.ThrowIfNullOrWhiteSpace(query);
+
+        var request = new GraphQLRequest
+        {
+            Query = query,
+            Variables = variables == null ? null : new Dictionary<string, object>(variables)
+        };
+        return new QueryExecutor<JsonElement>(this).ExecuteDocumentAsync(request, cancellationToken);
+    }
+
+    public string SubscriptionUrl { get; }
+    public SubscriptionProtocol SubscriptionProtocol => options.Value.SubscriptionProtocol;
+    public HttpClient HttpClient { get; }
+    public JsonSerializerOptions SerializerOptions { get; }
+
+    internal GraphClientOptions ClientOptions => options.Value;
+
+
+    /// <summary>
+    ///     The <c>connection_init</c> payload delegate from <see cref="GraphClientOptions.ConnectionInitPayload"/>,
+    ///     exposed for callers that build transports by hand. The obsolete
+    ///     <see cref="WSConnectionInitPayload"/> is the fallback when this is null.
+    /// </summary>
+    public Func<GraphClient, CancellationToken, ValueTask<object>> ConnectionInitPayload =>
+        options.Value.ConnectionInitPayload;
+
+    [Obsolete("Use ConnectionInitPayload instead: it can return any JSON object (an authorization payload, "
+              + "for example), not just a GraphQLRequest.")]
+    public Func<GraphClient, Task<GraphQLRequest>> WSConnectionInitPayload => options.Value.WSConnectionInitPayload;
+
+    internal async ValueTask<object> GetConnectionInitPayloadAsync(CancellationToken cancellationToken)
+    {
+        if (options.Value.ConnectionInitPayload is { } payload)
+        {
+            return await payload(this, cancellationToken).ConfigureAwait(false);
+        }
+
+#pragma warning disable CS0618 // WSConnectionInitPayload is the legacy shape, kept for source compatibility.
+        if (options.Value.WSConnectionInitPayload is { } legacy)
+        {
+            return await legacy(this).ConfigureAwait(false);
+        }
+#pragma warning restore CS0618
+
+        return null;
+    }
+
+    internal async ValueTask ConfigureRequestAsync(HttpRequestMessage request, CancellationToken cancellationToken)
+    {
+        if (options.Value.ConfigureRequest is { } configureRequest)
+        {
+            await configureRequest(request, cancellationToken);
+        }
+
+        foreach (var requestConfiguration in requestConfigurations)
+        {
+            await requestConfiguration(request, cancellationToken);
+        }
+    }
+
+    private string GetSubscriptionUrl()
+    {
+        var baseUrl = HttpClient?.BaseAddress.ToString();
+        if (string.IsNullOrWhiteSpace(baseUrl))
+        {
+            throw new ArgumentNullException("HttpClient BaseAddress must be set");
+        }
+
+        if (SubscriptionProtocol == SubscriptionProtocol.ServerSentEvents)
+        {
+            return baseUrl;
+        }
+
+        return HttpClient.BaseAddress.Scheme switch
+        {
+            "http" => new UriBuilder(HttpClient.BaseAddress) { Scheme = "ws" }.Uri.ToString(),
+            "https" => new UriBuilder(HttpClient.BaseAddress) { Scheme = "wss" }.Uri.ToString(),
+            _ => throw new Exception($"BaseAddress Scheme {HttpClient.BaseAddress.Scheme} is unknown")
+        };
+    }
+
+    public Task<GraphQLSchema> GetSchemaForSafeModeAsync()
+    {
+        return GetSchemaForSafeModeAsync(CancellationToken.None);
+    }
+
+    /// <summary>
+    /// The schema safe mode validates against, fetched once and cached per base address, deprecated-fields
+    /// flag and schema cache key. Returns null when <see cref="GraphClientOptions.UseSafeMode"/> is off.
+    /// </summary>
+    /// <remarks>
+    /// <paramref name="cancellationToken"/> cancels only this caller's schema query. That is safe with
+    /// <c>IMemoryCache.GetOrCreateAsync</c>: it does not share one in-flight fetch between callers (each
+    /// cache miss runs its own factory), and a factory that throws, including on cancellation, stores
+    /// nothing, so a cancelled fetch is never cached. If the fetch is ever made shared (single-flight),
+    /// it must not run on one caller's token; each caller would then stop waiting with
+    /// <c>Task.WaitAsync(cancellationToken)</c> instead.
+    /// </remarks>
+    public async Task<GraphQLSchema> GetSchemaForSafeModeAsync(CancellationToken cancellationToken)
+    {
+        if (!options.Value.UseSafeMode)
+        {
+            return null;
+        }
+
+        // The schema type is part of the key: clients that carry their own copy of the runtime
+        // share the app's IMemoryCache but cannot read each other's GraphQLSchema.
+        var cacheKey = $"Linq2GraphQL_Schema:{typeof(GraphQLSchema).AssemblyQualifiedName}:{HttpClient.BaseAddress}:{includeDeprecated}:{options.Value.SchemaCacheKey}";
+
+        return await cache.GetOrCreateAsync(cacheKey, async entry =>
+        {
+            var executor = new QueryExecutor<GraphQLSchema>(this);
+
+            string query;
+            if (includeDeprecated)
+            {
+                query = Helpers.SchemaQueryIncludeDeprecated;
+            }
+            else
+            {
+                query = Helpers.SchemaQuery;
+            }
+
+            var graphRequest = new GraphQLRequest { Query = query };
+            return await executor.ExecuteRequestAsync("__schema", graphRequest, cancellationToken);
+        });
+    }
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/GraphClientOptions.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/GraphClientOptions.cs
new file mode 100644
index 00000000..41246f1c
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/GraphClientOptions.cs
@@ -0,0 +1,115 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+namespace Linq2GraphQL.TestClientStandalone.Runtime;
+
+/// <summary>
+///     What happens when the subscription event buffer (SubscriptionMaxBufferedEvents)
+///     overflows because the observer cannot keep up.
+/// </summary>
+public enum SubscriptionOverflowPolicy
+{
+    /// <summary>Fault the subscription with an InvalidOperationException (default - never drops events silently).</summary>
+    Fault = 0,
+
+    /// <summary>Drop the oldest queued events to make room; the newest events are always delivered.</summary>
+    DropOldest,
+
+    /// <summary>Keep only the most recent event; observers that only need the latest value.</summary>
+    KeepLatest,
+}
+
+public class GraphClientOptions
+{
+    public bool UseSafeMode { get; set; } = false;
+    public SubscriptionProtocol SubscriptionProtocol { get; set; } = default;
+
+    /// <summary>
+    /// Sets the <c>connection_init</c> payload of the WebSocket subscription transports. Return any
+    /// JSON object the server expects as connection parameters, for example
+    /// <c>new Dictionary&lt;string, object&gt; { ["Authorization"] = $"Bearer {token}" }</c> (the
+    /// graphql-ws and Apollo convention) or <c>{ { "token", token } }</c>. Called before every
+    /// (re)connect, before the socket opens, so a refreshed token is picked up and a slow token
+    /// fetch cannot run into the server's <c>connection_init</c> wait; it counts within the connect
+    /// timeout (30 s) together with the request hooks. Overrides the obsolete
+    /// <see cref="WSConnectionInitPayload"/> when set. When
+    /// <see cref="SendAuthorizationInConnectionInit"/> is enabled the payload must serialize to a
+    /// JSON object (a dictionary, an anonymous object, a POCO, a <c>JsonObject</c>...) so the
+    /// <c>Authorization</c> parameter can be merged.
+    /// </summary>
+    public Func<GraphClient, CancellationToken, ValueTask<object>> ConnectionInitPayload { get; set; }
+
+    [Obsolete("Use ConnectionInitPayload instead: it can return any JSON object (an authorization payload, "
+              + "for example), not just a GraphQLRequest. Superseded when ConnectionInitPayload is set.")]
+    public Func<GraphClient, Task<GraphQLRequest>> WSConnectionInitPayload { get; set; } =
+        _ => Task.FromResult<GraphQLRequest>(null!);
+
+    /// <summary>
+    /// Copies the <c>Authorization</c> header produced by <see cref="ConfigureRequest"/> and
+    /// derived clients (<c>WithAccessToken</c> on a generated client) into the <c>connection_init</c>
+    /// payload. This is how a per-user token reaches the server on Blazor WebAssembly, where the
+    /// browser does not allow headers on the WebSocket upgrade request. An <c>Authorization</c> in
+    /// <see cref="HttpClient.DefaultRequestHeaders"/> is used when no hook sets one. The header is
+    /// merged into the JSON object from <see cref="ConnectionInitPayload"/> and wins on key conflicts. Like
+    /// any <c>connection_init</c> payload, the token is only as protected as the transport: prefer
+    /// <c>wss://</c> so it is not sent in clear text.
+    /// </summary>
+    public bool SendAuthorizationInConnectionInit { get; set; }
+
+    /// <summary>
+    /// Called for every request the client sends (queries, mutations, the safe-mode schema query,
+    /// server-sent-event subscriptions and the WebSocket subscription upgrade) just before it is
+    /// sent. On the WebSocket upgrade the hook's headers, together with the
+    /// <see cref="HttpClient.DefaultRequestHeaders"/> (a hook header wins on a name conflict), are
+    /// copied to the upgrade request. Use it
+    /// to set per-request headers, such as an access token, without a
+    /// <see cref="DelegatingHandler"/>. On Blazor WebAssembly the browser ignores headers on
+    /// WebSocket requests; set <see cref="SendAuthorizationInConnectionInit"/> to send the token
+    /// in the <c>connection_init</c> payload instead.
+    /// </summary>
+    public Func<HttpRequestMessage, CancellationToken, ValueTask> ConfigureRequest { get; set; }
+
+    /// <summary>
+    /// Separates the safe-mode schema cache entry of this client from other clients that use the same base
+    /// address. Set it when such clients see different schemas, for example because they use different
+    /// credentials.
+    /// </summary>
+    public string SchemaCacheKey { get; set; }
+
+    /// <summary>
+    ///     Maximum number of subscription events buffered between the transport and the
+    ///     observer. Overflow behavior is controlled by SubscriptionOverflowPolicy.
+    /// </summary>
+    public int SubscriptionMaxBufferedEvents { get; set; } = 128;
+
+    /// <summary>Behavior when the subscription event buffer overflows.</summary>
+    public SubscriptionOverflowPolicy SubscriptionOverflowPolicy { get; set; } = SubscriptionOverflowPolicy.Fault;
+
+    /// <summary>
+    ///     Optional idle timeout for SSE subscriptions. If no bytes (including keep-alive
+    ///     comments) arrive within this window, the subscription fails. The window is measured
+    ///     per read while waiting for data, so time spent handling an event never counts as idle.
+    ///     Null disables it.
+    /// </summary>
+    public TimeSpan? SubscriptionIdleTimeout { get; set; }
+
+    /// <summary>
+    ///     Maximum number of WebSocket reconnect attempts after a dropped connection before
+    ///     the subscription fails with an error. Attempts use exponential backoff with jitter
+    ///     (graphql-ws default: 2^n seconds plus 300-3000 ms). A successful connection resets
+    ///     the count. Fatal close codes never retry. Default 5; 0 disables reconnection.
+    /// </summary>
+    public int SubscriptionRetryAttempts { get; set; } = 5;
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/GraphCursorPager.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/GraphCursorPager.cs
new file mode 100644
index 00000000..300848ca
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/GraphCursorPager.cs
@@ -0,0 +1,179 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using Linq2GraphQL.TestClientStandalone.Runtime.Common;
+using System.Linq.Expressions;
+using System.Runtime.CompilerServices;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime;
+
+public class GraphCursorPager<T, TResult> where T : ICursorPaging
+{
+    private GraphCursorQueryExecute<T, TResult> query;
+
+    // The page size the query was built with. Moving forward pages with `first`, moving
+    // back with `last`; a server only counts back from `before` when `last` is set.
+    private readonly object pageSize;
+
+    public GraphCursorPager(GraphCursorQueryExecute<T, TResult> graphCursorQueryExecute)
+    {
+        this.query = graphCursorQueryExecute;
+        pageSize = GetArgumentValue("first") ?? GetArgumentValue("last");
+        IncludeT(e => e.PageInfo);
+    }
+
+    public T PagerResult => query.BaseResult;
+
+    private GraphCursorPager<T, TResult> IncludeT<TProperty>(Expression<Func<T, TProperty>> path)
+    {
+        Utilities.ParseExpression(path, query.QueryNode);
+        return this;
+    }
+
+    private async Task<TResult> ExecutePagerAsync(CancellationToken cancellationToken = default)
+    {
+        var baseType = await query.ExecuteBaseAsync(cancellationToken);
+        return query.ConvertResult(baseType);
+    }
+
+    private async Task<GraphResult<TResult>> ExecutePagerWithResultAsync(CancellationToken cancellationToken = default)
+    {
+        var result = await query.ExecuteBaseWithResultAsync(cancellationToken);
+        return query.ConvertResultFull(result);
+    }
+
+    private object GetArgumentValue(string graphName)
+    {
+        return query.QueryNode.Arguments.FirstOrDefault(e => e.GraphName == graphName)?.Value;
+    }
+
+    private void SetNextPageArguments()
+    {
+        query.QueryNode.SetArgumentValue("first", pageSize);
+        query.QueryNode.SetArgumentValue("after", query.BaseResult?.PageInfo?.EndCursor);
+        query.QueryNode.SetArgumentValue("last", null);
+        query.QueryNode.SetArgumentValue("before", null);
+    }
+
+    private void SetPreviousPageArguments()
+    {
+        query.QueryNode.SetArgumentValue("first", null);
+        query.QueryNode.SetArgumentValue("after", null);
+        query.QueryNode.SetArgumentValue("last", pageSize);
+        query.QueryNode.SetArgumentValue("before", query.BaseResult?.PageInfo?.StartCursor);
+    }
+
+    public async Task<TResult> NextPageAsync(CancellationToken cancellationToken = default)
+    {
+        SetNextPageArguments();
+        return await ExecutePagerAsync(cancellationToken);
+    }
+
+    public async Task<GraphResult<TResult>> NextPageWithResultAsync(CancellationToken cancellationToken = default)
+    {
+        SetNextPageArguments();
+        return await ExecutePagerWithResultAsync(cancellationToken);
+    }
+
+    public async Task<TResult> PreviousPageAsync(CancellationToken cancellationToken = default)
+    {
+        SetPreviousPageArguments();
+        return await ExecutePagerAsync(cancellationToken);
+    }
+
+    public async Task<GraphResult<TResult>> PreviousPageWithResultAsync(CancellationToken cancellationToken = default)
+    {
+        SetPreviousPageArguments();
+        return await ExecutePagerWithResultAsync(cancellationToken);
+    }
+
+    /// <summary>
+    /// Pages forward from the first page until the server reports no next page, yielding one result per page.
+    /// Each page is requested only when the caller asks for it, so breaking out of the loop stops paging;
+    /// the pager is then left on the last page that was read.
+    /// </summary>
+    /// <param name="maxPages">Stop after this many pages even if the server reports more.</param>
+    /// <exception cref="ArgumentOutOfRangeException"><paramref name="maxPages"/> is less than 1.</exception>
+    public async IAsyncEnumerable<TResult> GetAllPagesAsync(int? maxPages = null,
+        [EnumeratorCancellation] CancellationToken cancellationToken = default)
+    {
+        ValidateMaxPages(maxPages);
+        SetFirstPageArguments();
+
+        for (var pageCount = 1; ; pageCount++)
+        {
+            var previousEndCursor = query.BaseResult?.PageInfo?.EndCursor;
+            yield return await ExecutePagerAsync(cancellationToken);
+
+            if (!HasMorePages(previousEndCursor, pageCount, maxPages))
+            {
+                yield break;
+            }
+
+            SetNextPageArguments();
+        }
+    }
+
+    /// <summary>
+    /// Like <see cref="GetAllPagesAsync"/>, but yields each page's <see cref="GraphResult{T}"/> so errors and
+    /// extensions are kept. Paging stops after the first page that has errors or no data.
+    /// </summary>
+    /// <param name="maxPages">Stop after this many pages even if the server reports more.</param>
+    /// <exception cref="ArgumentOutOfRangeException"><paramref name="maxPages"/> is less than 1.</exception>
+    public async IAsyncEnumerable<GraphResult<TResult>> GetAllPagesWithResultAsync(int? maxPages = null,
+        [EnumeratorCancellation] CancellationToken cancellationToken = default)
+    {
+        ValidateMaxPages(maxPages);
+        SetFirstPageArguments();
+
+        for (var pageCount = 1; ; pageCount++)
+        {
+            var previousEndCursor = query.BaseResult?.PageInfo?.EndCursor;
+            var result = await ExecutePagerWithResultAsync(cancellationToken);
+            yield return result;
+
+            if (result.HasErrors || !result.HasData || !HasMorePages(previousEndCursor, pageCount, maxPages))
+            {
+                yield break;
+            }
+
+            SetNextPageArguments();
+        }
+    }
+
+    private void SetFirstPageArguments()
+    {
+        query.BaseResult = default;
+        SetNextPageArguments();
+    }
+
+    // Also stops when the end cursor does not move, so a server that keeps reporting a next page
+    // without advancing cannot keep the loop going forever.
+    private bool HasMorePages(string previousEndCursor, int pageCount, int? maxPages)
+    {
+        var pageInfo = query.BaseResult?.PageInfo;
+        return pageInfo is { HasNextPage: true, EndCursor: not null }
+               && pageInfo.EndCursor != previousEndCursor
+               && (maxPages == null || pageCount < maxPages);
+    }
+
+    private static void ValidateMaxPages(int? maxPages)
+    {
+        if (maxPages < 1)
+        {
+            throw new ArgumentOutOfRangeException(nameof(maxPages), maxPages, "Must be at least 1.");
+        }
+    }
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/GraphCursorQuery.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/GraphCursorQuery.cs
new file mode 100644
index 00000000..7a65efff
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/GraphCursorQuery.cs
@@ -0,0 +1,39 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Linq.Expressions;
+using Linq2GraphQL.TestClientStandalone.Runtime.Common;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime;
+
+public class GraphCursorQuery<T> : GraphBase<T, GraphCursorQuery<T>> where T : ICursorPaging
+{
+    public GraphCursorQuery(GraphClient client, string name, OperationType operationType, List<ArgumentValue> arguments)
+        : base(client, name, operationType, arguments)
+    {
+    }
+
+    public GraphCursorQueryExecute<T, T> Select()
+    {
+        QueryNode.IncludePrimitiveIfNoChildPrimitive();
+        return new(client, operationType, QueryNode, null);
+    }
+
+    public GraphCursorQueryExecute<T, TResult> Select<TResult>(Expression<Func<T, TResult>> selector)
+    {
+        ParseExpression(selector);
+        return new(client, operationType, QueryNode, selector);
+    }
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/GraphInputBase.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/GraphInputBase.cs
new file mode 100644
index 00000000..8a4ecc01
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/GraphInputBase.cs
@@ -0,0 +1,50 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Collections.Concurrent;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime;
+
+public abstract class GraphInputBase
+{
+    private ConcurrentDictionary<string, object> Values { get; } = new();
+
+    internal Dictionary<string, object> GetValues()
+    {
+        return Values.ToDictionary(e => e.Key, e => e.Value);
+    }
+
+    protected void ClearValues()
+    {
+        Values.Clear();
+    }
+
+    protected T GetValue<T>(string name)
+    {
+        if (Values.TryGetValue(name, out var value))
+        {
+            return (T)value;
+        }
+
+        return default;
+    }
+
+
+    protected void SetValue(string name, object value)
+    {
+        Values.TryRemove(name, out _);
+        Values.TryAdd(name, value);
+    }
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/GraphQLRequest.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/GraphQLRequest.cs
new file mode 100644
index 00000000..808d1b03
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/GraphQLRequest.cs
@@ -0,0 +1,25 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Text.Json.Serialization;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime;
+
+public class GraphQLRequest
+{
+    [JsonPropertyName("query")] public string Query { get; set; }
+
+    [JsonPropertyName("variables")] public Dictionary<string, object> Variables { get; set; }
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/GraphQuery.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/GraphQuery.cs
new file mode 100644
index 00000000..486c6765
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/GraphQuery.cs
@@ -0,0 +1,37 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Linq.Expressions;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime;
+
+public class GraphQuery<T> : GraphBase<T, GraphQuery<T>>
+{
+    public GraphQuery(GraphClient client, string name, OperationType operationType, List<ArgumentValue> arguments) : base(client, name, operationType, arguments)
+    {
+    }
+
+    public GraphQueryExecute<T, T> Select()
+    {
+        QueryNode.IncludePrimitiveIfNoChildPrimitive();
+        return new GraphQueryExecute<T, T>(client, operationType, QueryNode, null);
+    }
+
+    public GraphQueryExecute<T, TResult> Select<TResult>(Expression<Func<T, TResult>> selector)
+    {
+        ParseExpression(selector);
+        return new GraphQueryExecute<T, TResult>(client, operationType, QueryNode, selector);
+    }
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/GraphQueryExecute.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/GraphQueryExecute.cs
new file mode 100644
index 00000000..03a58ea8
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/GraphQueryExecute.cs
@@ -0,0 +1,64 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using Linq2GraphQL.TestClientStandalone.Runtime.Common;
+using System.Linq.Expressions;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime;
+
+public class GraphCursorQueryExecute<T, TResult> : GraphQueryExecute<T, TResult> where T : ICursorPaging
+{
+    public GraphCursorQueryExecute(GraphClient client, OperationType operationType, QueryNode queryNode,
+        Expression<Func<T, TResult>> selector) : base(client, operationType, queryNode, selector) { }
+
+    public GraphCursorPager<T, TResult> AsPager()
+    {
+        return new GraphCursorPager<T, TResult>(this);
+    }
+}
+
+public class GraphQueryExecute<T, TResult> : GraphBaseExecute<T, TResult>
+{
+    public GraphQueryExecute(GraphClient client, OperationType operationType, QueryNode queryNode,
+        Expression<Func<T, TResult>> selector) : base(client, operationType, queryNode, selector) { }
+
+    public T BaseResult { get; set; }
+
+    public async Task<T> ExecuteBaseAsync(CancellationToken cancellationToken = default)
+    {
+        BaseResult =
+            await queryExecutor.ExecuteRequestAsync(QueryNode.Name, await GetRequestAsync(cancellationToken),
+                cancellationToken);
+        return BaseResult;
+    }
+
+    public async Task<GraphResult<T>> ExecuteBaseWithResultAsync(CancellationToken cancellationToken = default)
+    {
+        var result = await queryExecutor.ExecuteRawAsync(QueryNode.Name, await GetRequestAsync(cancellationToken),
+            cancellationToken);
+        BaseResult = result.Data;
+        return result;
+    }
+
+    public async Task<TResult> ExecuteAsync(CancellationToken cancellationToken = default)
+    {
+        return ConvertResult(await ExecuteBaseAsync(cancellationToken));
+    }
+
+    public async Task<GraphResult<TResult>> ExecuteWithResultAsync(CancellationToken cancellationToken = default)
+    {
+        return ConvertResultFull(await ExecuteBaseWithResultAsync(cancellationToken));
+    }
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/GraphResult.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/GraphResult.cs
new file mode 100644
index 00000000..13e29bdc
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/GraphResult.cs
@@ -0,0 +1,34 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+namespace Linq2GraphQL.TestClientStandalone.Runtime;
+
+public class GraphResult<T>
+{
+    public T Data { get; init; }
+    public List<GraphQueryError> Errors { get; init; }
+    public Dictionary<string, object> Extensions { get; init; }
+
+    public bool HasErrors => Errors is { Count: > 0 };
+    public bool HasData => Data is not null;
+
+    public void EnsureNoErrors()
+    {
+        if (HasErrors)
+        {
+            throw new GraphQueryExecutionException(Errors, string.Empty, null);
+        }
+    }
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/HttpClientBuilderExtensions.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/HttpClientBuilderExtensions.cs
new file mode 100644
index 00000000..5bed7b82
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/HttpClientBuilderExtensions.cs
@@ -0,0 +1,72 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Net.Http.Headers;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime;
+
+public static class HttpClientBuilderExtensions
+{
+    private const string userAgentName = "Linq2GraphQL";
+    private static readonly string userAgentVersion = ThisAssembly.AssemblyFileVersion;
+
+    public static IHttpClientBuilder WithHttpClient<T>(
+        this IGraphClientBuilder<T> clientBuilder,
+        Action<HttpClient> configureClient,
+        Action<IHttpClientBuilder> configureClientBuilder = null) where T : class
+    {
+        var builder = clientBuilder.Services
+            .AddHttpClient<T>(
+                clientBuilder.ClientName,
+                client =>
+                {
+                    client.DefaultRequestHeaders.UserAgent.Add(
+                        new ProductInfoHeaderValue(
+                            new ProductHeaderValue(
+                                userAgentName,
+                                userAgentVersion)));
+                    configureClient(client);
+                });
+
+        configureClientBuilder?.Invoke(builder);
+
+        return builder;
+    }
+    
+    public static IHttpClientBuilder WithHttpClient<T>(
+        this IGraphClientBuilder<T> clientBuilder,
+        string httpClientName,
+        Action<HttpClient> configureClient,
+        Action<IHttpClientBuilder> configureClientBuilder = null) where T : class
+    {
+        var builder = clientBuilder.Services
+            .AddHttpClient<T>(
+                httpClientName,
+                client =>
+                {
+                    client.DefaultRequestHeaders.UserAgent.Add(
+                        new ProductInfoHeaderValue(
+                            new ProductHeaderValue(
+                                userAgentName,
+                                userAgentVersion)));
+                    configureClient(client);
+                });
+
+        configureClientBuilder?.Invoke(builder);
+
+        return builder;
+    }
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/IGraphClientBuilder.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/IGraphClientBuilder.cs
new file mode 100644
index 00000000..71fcede2
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/IGraphClientBuilder.cs
@@ -0,0 +1,24 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime;
+
+public interface IGraphClientBuilder<T> where T : class
+{
+    public string ClientName { get; }
+    public IServiceCollection Services { get; }
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/IGraphClientSource.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/IGraphClientSource.cs
new file mode 100644
index 00000000..67ee58bd
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/IGraphClientSource.cs
@@ -0,0 +1,28 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+namespace Linq2GraphQL.TestClientStandalone.Runtime;
+
+/// <summary>
+/// Implemented by every generated client: access to its <see cref="Client.GraphClient"/>, and a way to derive a
+/// client of the same type with an extra request hook. Lets other packages work with any generated client
+/// generically, for example to execute queries with a per-user token.
+/// </summary>
+public interface IGraphClientSource<TSelf> where TSelf : IGraphClientSource<TSelf>
+{
+    GraphClient GraphClient { get; }
+
+    TSelf WithRequestConfiguration(Func<HttpRequestMessage, CancellationToken, ValueTask> configureRequest);
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/IGraphSchemaSource.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/IGraphSchemaSource.cs
new file mode 100644
index 00000000..82804c58
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/IGraphSchemaSource.cs
@@ -0,0 +1,25 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+namespace Linq2GraphQL.TestClientStandalone.Runtime;
+
+/// <summary>
+/// Implemented by clients generated with <c>--agent</c>: the schema the client was generated from, as SDL.
+/// Lets other packages require such a client at compile time.
+/// </summary>
+public interface IGraphSchemaSource
+{
+    static abstract string Sdl { get; }
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/OperationType.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/OperationType.cs
new file mode 100644
index 00000000..79cb1bb2
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/OperationType.cs
@@ -0,0 +1,23 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+namespace Linq2GraphQL.TestClientStandalone.Runtime;
+
+public enum OperationType
+{
+    Query,
+    Mutation,
+    Subscription
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/QueryExecutor.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/QueryExecutor.cs
new file mode 100644
index 00000000..a36c525a
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/QueryExecutor.cs
@@ -0,0 +1,226 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Net.Http.Json;
+using System.Runtime.InteropServices;
+using System.Text;
+using System.Text.Json;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime;
+
+/// <remarks>
+///     Every response path parses the GraphQL envelope with <see cref="Common.GraphEnvelopeReader"/>;
+///     do not add a second envelope parser here.
+/// </remarks>
+public class QueryExecutor<T>
+{
+    private readonly GraphClient client;
+
+    internal QueryExecutor(GraphClient client)
+    {
+        this.client = client;
+    }
+
+    internal async Task<T> ExecuteRequestAsync(string name, GraphQLRequest graphRequest,
+        CancellationToken cancellationToken = default)
+    {
+        var result = await ExecuteRawAsync(name, graphRequest, cancellationToken);
+
+        if (result.HasErrors)
+        {
+            throw new GraphQueryExecutionException(result.Errors, graphRequest.Query, graphRequest.Variables);
+        }
+
+        return result.Data;
+    }
+
+    internal async Task<GraphResult<T>> ExecuteRawAsync(string name, GraphQLRequest graphRequest,
+        CancellationToken cancellationToken = default)
+    {
+        using var request = new HttpRequestMessage(HttpMethod.Post, "");
+        request.Content = JsonContent.Create(graphRequest, options: client.SerializerOptions);
+        await client.ConfigureRequestAsync(request, cancellationToken);
+
+        // With ResponseHeadersRead, HttpClient.Timeout only covers the time until the
+        // headers arrive. Extend it over reading the body with a linked token source.
+        using var timeoutCts = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken);
+        if (client.HttpClient.Timeout != Timeout.InfiniteTimeSpan)
+        {
+            timeoutCts.CancelAfter(client.HttpClient.Timeout);
+        }
+
+        try
+        {
+            using var response = await client.HttpClient.SendAsync(request, HttpCompletionOption.ResponseHeadersRead,
+                timeoutCts.Token);
+
+            if (!response.IsSuccessStatusCode)
+            {
+                var content = await response.Content.ReadAsStringAsync(timeoutCts.Token);
+                content = Truncate(content, MaxErrorMessageLength);
+                throw new GraphQueryRequestException($"Http error! Status code {response.StatusCode} Error: {content}",
+                    graphRequest.Query, graphRequest.Variables);
+            }
+
+            await using var stream = await response.Content.ReadAsStreamAsync(timeoutCts.Token);
+            using var memory = new MemoryStream();
+            await stream.CopyToAsync(memory, timeoutCts.Token);
+
+            // Parse in place — GetBuffer avoids copying the body a second time.
+            return Common.GraphEnvelopeReader.Read<T>(
+                memory.GetBuffer().AsSpan(0, (int)memory.Length), name, client.SerializerOptions);
+        }
+        catch (OperationCanceledException) when (!cancellationToken.IsCancellationRequested)
+        {
+            // Only the timeout fired — surface it the way HttpClient does.
+            throw new TaskCanceledException("The request timed out.", new TimeoutException());
+        }
+    }
+
+    private const int MaxErrorMessageLength = 4096;
+
+    private static string Truncate(string value, int maxLength)
+    {
+        if (value == null || value.Length <= maxLength)
+        {
+            return value;
+        }
+
+        return value.Substring(0, maxLength) + "...(truncated)";
+    }
+
+    /// <summary>
+    /// Sends a request and returns the whole <c>data</c> object as JSON, for queries written as text rather
+    /// than built from expressions.
+    /// </summary>
+    internal async Task<GraphResult<JsonElement>> ExecuteDocumentAsync(GraphQLRequest graphRequest,
+        CancellationToken cancellationToken = default)
+    {
+        using var request = new HttpRequestMessage(HttpMethod.Post, "")
+        {
+            Content = JsonContent.Create(graphRequest, options: client.SerializerOptions)
+        };
+        await client.ConfigureRequestAsync(request, cancellationToken);
+
+        using var response = await client.HttpClient.SendAsync(request, cancellationToken);
+        var content = await response.Content.ReadAsByteArrayAsync(cancellationToken);
+
+        if (response.IsSuccessStatusCode)
+        {
+            return Common.GraphEnvelopeReader.ReadDocument(content, client.SerializerOptions, out _);
+        }
+
+        // GraphQL servers answer a request they reject (for example a validation error) with a
+        // non-success status but a regular GraphQL body; that body is a result, not a transport failure.
+        GraphResult<JsonElement> result = null;
+        var isEnvelope = false;
+        try
+        {
+            result = Common.GraphEnvelopeReader.ReadDocument(content, client.SerializerOptions, out isEnvelope);
+        }
+        catch (JsonException)
+        {
+            // Not JSON (HTML error page, proxy text, ...): a transport failure, reported below.
+        }
+
+        if (!isEnvelope)
+        {
+            throw new GraphQueryRequestException(
+                $"Http error! Status code {response.StatusCode} Error: {Encoding.UTF8.GetString(content)}",
+                graphRequest.Query, graphRequest.Variables);
+        }
+
+        return result;
+    }
+
+    public T ProcessResponse(string con, string name, GraphQLRequest request)
+    {
+        var result = ProcessResponseFull(con, name);
+
+        if (result.HasErrors)
+        {
+            throw new GraphQueryExecutionException(result.Errors, request.Query, request.Variables);
+        }
+
+        return result.Data;
+    }
+
+    /// <summary>
+    ///     Parses a response from an already-materialized <see cref="JsonElement"/> root
+    ///     (the full envelope) and throws <see cref="GraphQueryExecutionException"/> on errors.
+    /// </summary>
+    public T ProcessResponse(JsonElement root, string name, GraphQLRequest request)
+    {
+        var result = ProcessResponseFull(root, name);
+
+        if (result.HasErrors)
+        {
+            throw new GraphQueryExecutionException(result.Errors, request.Query, request.Variables);
+        }
+
+        return result.Data;
+    }
+
+    /// <summary>
+    ///     Parses a response envelope from raw UTF-8 bytes (used by the SSE byte path):
+    ///     only the requested root field is deserialized — no JsonDocument and no UTF-16
+    ///     round trip, matching the query path.
+    /// </summary>
+    public T ProcessResponse(byte[] utf8Json, string name, GraphQLRequest request)
+    {
+        var result = Common.GraphEnvelopeReader.Read<T>(utf8Json, name, client.SerializerOptions);
+
+        if (result.HasErrors)
+        {
+            throw new GraphQueryExecutionException(result.Errors, request.Query, request.Variables);
+        }
+
+        return result.Data;
+    }
+
+    /// <summary>
+    ///     Full-envelope parse from raw UTF-8 bytes (SSE/WS byte path). Returns data and
+    ///     errors together and never throws on GraphQL <c>errors</c>.
+    /// </summary>
+    public GraphResult<T> ProcessResponseFull(byte[] utf8Json, string name)
+    {
+        return Common.GraphEnvelopeReader.Read<T>(utf8Json, name, client.SerializerOptions);
+    }
+
+    /// <summary>
+    ///     Full-envelope parse from a JSON string. Transcodes to UTF-8 and goes through the same
+    ///     parser as every other response path. An empty string yields a result with no data and
+    ///     no errors.
+    /// </summary>
+    public GraphResult<T> ProcessResponseFull(string con, string name)
+    {
+        ArgumentNullException.ThrowIfNull(con);
+        return Common.GraphEnvelopeReader.Read<T>(Encoding.UTF8.GetBytes(con), name, client.SerializerOptions);
+    }
+
+    /// <summary>
+    ///     Full-envelope parse from an already-materialized <see cref="JsonElement"/> root. The
+    ///     element's raw UTF-8 text is handed to the same parser as every other response path.
+    /// </summary>
+    public GraphResult<T> ProcessResponseFull(JsonElement root, string name)
+    {
+        if (root.ValueKind != JsonValueKind.Object)
+        {
+            throw new JsonException("GraphQL response envelope must be a JSON object.");
+        }
+
+        return Common.GraphEnvelopeReader.Read<T>(JsonMarshal.GetRawUtf8Value(root), name, client.SerializerOptions);
+    }
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/QueryNode.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/QueryNode.cs
new file mode 100644
index 00000000..2c0193a0
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/QueryNode.cs
@@ -0,0 +1,260 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Reflection;
+using Linq2GraphQL.TestClientStandalone.Runtime.Schema;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime;
+
+public class QueryNode
+{
+    private readonly bool mustHaveChildren;
+    private readonly Type underlyingMemberType;
+    private string argumentHashCodeId;
+
+    public QueryNode(MemberInfo member, string name = null, List<ArgumentValue> arguments = null,
+        bool? interfaceProperty = null, bool topLevel = false)
+    {
+        var memberAttribute = member.GetCustomAttribute<GraphQLMemberAttribute>();
+
+        Name = name ?? memberAttribute?.GraphQLName ?? member.Name.ToCamelCase();
+        Member = member;
+        Arguments = arguments ?? new List<ArgumentValue>();
+        underlyingMemberType = member.GetUnderlyingType();
+        mustHaveChildren = MustHaveChildren(underlyingMemberType);
+        InterfaceProperty =  memberAttribute?.InterfaceProperty == true;
+
+        if (!topLevel)
+        {
+            SetArgumentHashCodeId();
+        }
+    }
+
+    public bool InterfaceProperty { get; internal set; }
+    public string Name { get; internal set; }
+    public string Alias { get; internal set; }
+
+    public MemberInfo Member { get; internal set; }
+    public List<QueryNode> ChildNodes { get; internal set; } = new();
+    public List<ArgumentValue> Arguments { get; internal set; } = new();
+    public bool IncludePrimitive { get; internal set; }
+
+    public QueryNode Parent { get; private set; }
+
+    public int Level => Parent?.Level + 1 ?? 1;
+    public int Leaf { get; internal set; } = 1;
+
+
+    internal void IncludePrimitiveIfNoChildPrimitive()
+    {
+        if (!ChildNodes.Any(e => e.underlyingMemberType.IsValueTypeOrString()))
+        {
+            IncludePrimitive = true;
+        }
+    }
+
+    private void SetArgumentHashCodeId()
+    {
+        argumentHashCodeId = Utilities.GetArgumentsId(Arguments?.Select(e => e.Value));
+        if (argumentHashCodeId != null)
+        {
+            Alias = Name + argumentHashCodeId;
+        }
+    }
+
+
+    private static bool MustHaveChildren(Type type)
+    {
+        return !type.IsValueTypeOrString() &&
+               !type.IsListOfPrimitiveTypeOrString();
+    }
+
+
+    public void AddChildNode(MemberInfo member, string name = null)
+    {
+        AddChildNode(new(member, name));
+    }
+
+    public QueryNode AddChildNode(QueryNode childNode)
+    {
+        var currentNode = ChildNodes.FirstOrDefault(e =>
+            e.Name == childNode.Name && e.argumentHashCodeId == childNode.argumentHashCodeId);
+        if (currentNode == null)
+        {
+            childNode.Parent = this;
+            childNode.Leaf = ChildNodes.Count + 1;
+            ChildNodes.Add(childNode);
+            return childNode;
+        }
+
+        if (childNode.IncludePrimitive)
+        {
+            currentNode.IncludePrimitive = true;
+        }
+
+        foreach (var child in childNode.ChildNodes)
+        {
+            currentNode.AddChildNode(child);
+        }
+
+        return currentNode;
+    }
+
+    public void SetArgumentValue(string graphName, object value)
+    {
+        var argument = Arguments.FirstOrDefault(e => e.GraphName == graphName);
+        if (argument != null)
+        {
+            argument.Value = value;
+        }
+    }
+
+    public void AddPrimitiveChildren(bool recursive, GraphQLSchema schema)
+    {
+        if (recursive)
+        {
+            foreach (var child in ChildNodes.Where(e => e.mustHaveChildren))
+            {
+                child.AddPrimitiveChildren(recursive, schema);
+            }
+        }
+
+        if (mustHaveChildren && (!ChildNodes.Any() || IncludePrimitive))
+        {
+            var typeOrListType = underlyingMemberType.GetTypeOrListType();
+            foreach (var propertyInfo in typeOrListType.GetProperties(BindingFlags.Public | BindingFlags.Instance))
+            {
+                if (!propertyInfo.PropertyType.IsValueTypeOrString())
+                {
+                    continue;
+                }
+
+
+                var memberAttribute = propertyInfo.GetCustomAttribute<GraphQLMemberAttribute>();
+                if (memberAttribute == null)
+                {
+                    continue;
+                }
+
+
+                if (schema != null)
+                {
+                    if (schema.TypePropertyExists(typeOrListType.Name, memberAttribute.GraphQLName))
+                    {
+                        AddChildNode(propertyInfo, memberAttribute.GraphQLName);
+                    }
+                    else
+                    {
+                        Console.WriteLine(
+                            $"Property: {propertyInfo.Name} Type: {Member.Name} was not present in active schema");
+                    }
+                }
+                else
+                {
+                    AddChildNode(propertyInfo);
+                }
+            }
+        }
+    }
+
+    internal void SetAllUniqueVariableNames()
+    {
+        foreach (var argument in Arguments)
+        {
+            argument.VariableName += $"_{Level}_{Leaf}";
+        }
+
+        foreach (var child in ChildNodes)
+        {
+            child.SetAllUniqueVariableNames();
+        }
+    }
+
+    public List<ArgumentValue> GetActiveArguments()
+    {
+        return Arguments.Where(e => e.Value != null).ToList();
+    }
+
+    public List<ArgumentValue> GetAllActiveArguments()
+    {
+        var allArguments = GetActiveArguments();
+        foreach (var childNode in ChildNodes)
+        {
+            allArguments.AddRange(childNode.GetAllActiveArguments());
+        }
+
+        return allArguments;
+    }
+
+    private string GetArgumentString()
+    {
+        var args = GetActiveArguments();
+        ;
+        if (!args.Any())
+        {
+            return "";
+        }
+
+        var argString = "(";
+        foreach (var arg in args)
+        {
+            argString += arg.GraphName + ":$" + arg.VariableName + " ";
+        }
+
+        argString.TrimEnd();
+        argString += ")";
+
+        return argString;
+    }
+
+
+    internal string GetQueryString(string indent = "")
+    {
+        string query;
+        var memberType = Member.GetUnderlyingType();
+
+        if (InterfaceProperty)
+        {
+            query = "... on " + Name + GetArgumentString() + Environment.NewLine;
+        }
+        else if (!string.IsNullOrWhiteSpace(Alias))
+        {
+            query = Alias + ":" + Name + GetArgumentString() + Environment.NewLine;
+        }
+        else
+        {
+            query = Name + GetArgumentString() + Environment.NewLine;
+        }
+
+        if (memberType.IsListOfPrimitiveTypeOrString())
+        {
+            return indent + query;
+        }
+
+        query += indent + "{" + Environment.NewLine;
+
+        if (ChildNodes.Any())
+        {
+            var newIndent = "  " + indent;
+            foreach (var childNode in ChildNodes)
+            {
+                query += childNode.GetQueryString(newIndent);
+            }
+        }
+
+        query += indent + "}" + Environment.NewLine;
+        return query;
+    }
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/RequestConfigurations.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/RequestConfigurations.cs
new file mode 100644
index 00000000..75d85e83
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/RequestConfigurations.cs
@@ -0,0 +1,42 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Net.Http.Headers;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime;
+
+/// <summary>
+/// Ready-made request hooks for <see cref="GraphClientOptions.ConfigureRequest"/> and
+/// <see cref="GraphClient.WithRequestConfiguration"/>.
+/// </summary>
+public static class RequestConfigurations
+{
+    /// <summary>
+    /// Sets <c>Authorization: Bearer &lt;token&gt;</c> on every request, asking <paramref name="getAccessToken"/>
+    /// for the token each time. Caching and refreshing the token is the delegate's job, as token acquisition
+    /// libraries already do.
+    /// </summary>
+    public static Func<HttpRequestMessage, CancellationToken, ValueTask> BearerToken(
+        Func<CancellationToken, ValueTask<string>> getAccessToken)
+    {
+        ArgumentNullException.ThrowIfNull(getAccessToken);
+
+        return async (request, cancellationToken) =>
+        {
+            var token = await getAccessToken(cancellationToken);
+            request.Headers.Authorization = new AuthenticationHeaderValue("Bearer", token);
+        };
+    }
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Schema/GraphQLSchema.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Schema/GraphQLSchema.cs
new file mode 100644
index 00000000..cce3f821
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Schema/GraphQLSchema.cs
@@ -0,0 +1,51 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Diagnostics;
+using System.Text.Json.Serialization;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime.Schema;
+
+public class GraphQLSchema
+{
+    [JsonPropertyName("types")] public List<GraphQLType> Types { get; set; }
+
+
+    public bool TypePropertyExists(string typeName, string fieldName)
+    {
+        if (fieldName.ToLower() == "__typename" ) { return true; }
+
+        var type = Types.FirstOrDefault(x => x.Name == typeName);
+        if (type?.Fields.FirstOrDefault(x => x.Name == fieldName) == null)
+        {
+            return false;
+        }
+
+        return true;
+    }
+}
+
+[DebuggerDisplay("{Name}")]
+public class GraphQLType
+{
+    [JsonPropertyName("name")] public string Name { get; set; }
+
+    [JsonPropertyName("fields")] public List<GraphQLField> Fields { get; set; }
+}
+
+public class GraphQLField
+{
+    [JsonPropertyName("name")] public string Name { get; set; }
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Schema/Helpers.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Schema/Helpers.cs
new file mode 100644
index 00000000..7cbefc62
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Schema/Helpers.cs
@@ -0,0 +1,41 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+namespace Linq2GraphQL.TestClientStandalone.Runtime.Schema;
+
+internal static class Helpers
+{
+    internal const string SchemaQuery = @"{
+                                          __schema {
+                                            types {
+                                              name
+                                              fields {
+                                                name
+                                              }
+                                            }
+                                          }
+                                        }";
+
+    internal const string SchemaQueryIncludeDeprecated = @"{
+                                          __schema {
+                                            types {
+                                              name
+                                              fields(includeDeprecated: true) {
+                                                name
+                                              }
+                                            }
+                                          }
+                                        }";
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/SubscriptionSubprotocol.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/SubscriptionSubprotocol.cs
new file mode 100644
index 00000000..4c725261
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/SubscriptionSubprotocol.cs
@@ -0,0 +1,37 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+namespace Linq2GraphQL.TestClientStandalone.Runtime;
+
+public enum SubscriptionProtocol
+{
+    /// <summary>
+    ///     Default protocol
+    ///     actually named graphql-ws just to make things even more confusing
+    ///     sends: graphql-transport-ws as subprotocol
+    /// </summary>
+    GraphQLWebSocket,
+
+    /// <summary>
+    ///     Old apollo protocol
+    ///     sends: graphql-ws as subprotocol
+    /// </summary>
+    ApolloWebSocket,
+
+    /// <summary>
+    ///     SSE
+    /// </summary>
+    ServerSentEvents
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Utilities.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Utilities.cs
new file mode 100644
index 00000000..6db5848e
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Utilities.cs
@@ -0,0 +1,200 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Collections;
+using System.Globalization;
+using System.Linq.Expressions;
+using System.Reflection;
+using System.Text;
+using Linq2GraphQL.TestClientStandalone.Runtime.Visitors;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime;
+
+public static class Utilities
+{
+    private const int MaxArgumentDepth = 8;
+
+    /// <summary>Separates one argument from the next so that adjacent values cannot run together.</summary>
+    private const char Separator = (char)31;
+
+    /// <summary>
+    ///     Identifies a set of field arguments so that the same field requested with different arguments becomes
+    ///     several aliased selections. The result is derived from the argument values only, because the alias has
+    ///     to be recomputed from the same values when the response is read back.
+    /// </summary>
+    /// <returns>An alias suffix, or null when there are no arguments to distinguish.</returns>
+    public static string GetArgumentsId(IEnumerable<object> objects)
+    {
+        if (objects == null)
+        {
+            return null;
+        }
+
+        var values = objects.Where(o => o != null).ToList();
+        if (values.Count == 0)
+        {
+            return null;
+        }
+
+        var builder = new StringBuilder();
+        foreach (var value in values)
+        {
+            AppendValue(builder, value, 0);
+            builder.Append(Separator);
+        }
+
+        return "_" + Hash(builder).ToString("x16");
+    }
+
+    public static void ParseExpression(Expression body, QueryNode parent)
+    {
+        QueryExpressionVisitor.Parse(body, parent);
+    }
+
+    /// <summary>
+    ///     Writes a value in a form that is identical for equal values and stable between processes, which
+    ///     <see cref="object.GetHashCode" /> is not for reference types.
+    /// </summary>
+    private static void AppendValue(StringBuilder builder, object value, int depth)
+    {
+        switch (value)
+        {
+            case null:
+                builder.Append("null");
+                return;
+
+            case string text:
+                builder.Append('"').Append(text).Append('"');
+                return;
+
+            case bool flag:
+                builder.Append(flag ? "true" : "false");
+                return;
+
+            case Enum enumValue:
+                builder.Append(enumValue.GetType().FullName).Append('.').Append(enumValue.ToString("D"));
+                return;
+
+            case DateTime dateTime:
+                builder.Append(dateTime.ToString("O", CultureInfo.InvariantCulture));
+                return;
+
+            case DateTimeOffset dateTimeOffset:
+                builder.Append(dateTimeOffset.ToString("O", CultureInfo.InvariantCulture));
+                return;
+
+            case TimeSpan timeSpan:
+                builder.Append(timeSpan.ToString("c", CultureInfo.InvariantCulture));
+                return;
+
+            case CustomScalar scalar:
+                AppendValue(builder, scalar.Value, depth + 1);
+                return;
+
+            case IFormattable formattable:
+                // Numbers, Guid, DateOnly, TimeOnly.
+                builder.Append(formattable.ToString(null, CultureInfo.InvariantCulture));
+                return;
+
+            case IEnumerable items:
+                AppendItems(builder, items, depth);
+                return;
+
+            default:
+                AppendProperties(builder, value, depth);
+                return;
+        }
+    }
+
+    private static void AppendItems(StringBuilder builder, IEnumerable items, int depth)
+    {
+        if (depth >= MaxArgumentDepth)
+        {
+            builder.Append("[...]");
+            return;
+        }
+
+        builder.Append('[');
+        foreach (var item in items)
+        {
+            AppendValue(builder, item, depth + 1);
+            builder.Append(',');
+        }
+
+        builder.Append(']');
+    }
+
+    /// <summary>Input objects are compared by their contents, in a fixed property order.</summary>
+    private static void AppendProperties(StringBuilder builder, object value, int depth)
+    {
+        var type = value.GetType();
+        builder.Append(type.FullName);
+
+        if (depth >= MaxArgumentDepth)
+        {
+            builder.Append("{...}");
+            return;
+        }
+
+        builder.Append('{');
+
+        var properties = type
+            .GetProperties(BindingFlags.Public | BindingFlags.Instance)
+            .Where(e => e.CanRead && e.GetIndexParameters().Length == 0)
+            .OrderBy(e => e.Name, StringComparer.Ordinal);
+
+        foreach (var property in properties)
+        {
+            builder.Append(property.Name).Append('=');
+
+            object propertyValue;
+            try
+            {
+                propertyValue = property.GetValue(value);
+            }
+            catch (Exception)
+            {
+                // A property that throws cannot contribute to the identity of the arguments.
+                builder.Append("<unreadable>;");
+                continue;
+            }
+
+            AppendValue(builder, propertyValue, depth + 1);
+            builder.Append(';');
+        }
+
+        builder.Append('}');
+    }
+
+    /// <summary>FNV-1a, for a 64 bit value that is the same in every process.</summary>
+    private static ulong Hash(StringBuilder builder)
+    {
+        const ulong offsetBasis = 14695981039346656037;
+        const ulong prime = 1099511628211;
+
+        var hash = offsetBasis;
+
+        foreach (var chunk in builder.GetChunks())
+        {
+            foreach (var character in chunk.Span)
+            {
+                hash = (hash ^ (byte)character) * prime;
+                hash = (hash ^ (byte)(character >> 8)) * prime;
+            }
+        }
+
+        return hash;
+    }
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Visitors/ExpressionEvaluator.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Visitors/ExpressionEvaluator.cs
new file mode 100644
index 00000000..de4214bb
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Visitors/ExpressionEvaluator.cs
@@ -0,0 +1,117 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Linq.Expressions;
+using System.Reflection;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime.Visitors;
+
+/// <summary>
+///     Turns the argument expressions of a GraphQL field into the values that are sent as query variables.
+///     Constants and captured locals are read directly; everything else falls back to compiling the
+///     expression, which is comparatively expensive.
+/// </summary>
+internal static class ExpressionEvaluator
+{
+    internal static object Evaluate(Expression expression)
+    {
+        return TryEvaluateFast(expression, out var value) ? value : Compile(expression);
+    }
+
+    private static bool TryEvaluateFast(Expression expression, out object value)
+    {
+        switch (expression)
+        {
+            case null:
+                value = null;
+                return true;
+
+            case ConstantExpression constant:
+                value = constant.Value;
+                return true;
+
+            case MemberExpression member:
+                return TryEvaluateMember(member, out value);
+
+            case UnaryExpression unary when IsTransparentConversion(unary):
+                return TryEvaluateFast(unary.Operand, out value);
+
+            default:
+                value = null;
+                return false;
+        }
+    }
+
+    private static bool TryEvaluateMember(MemberExpression member, out object value)
+    {
+        // A static member, or a captured local, which the compiler turns into a field on a closure object
+        // that is held by a ConstantExpression.
+        object target = null;
+
+        if (member.Expression != null && !TryEvaluateFast(member.Expression, out target))
+        {
+            value = null;
+            return false;
+        }
+
+        switch (member.Member)
+        {
+            case FieldInfo field:
+                value = field.GetValue(target);
+                return true;
+
+            case PropertyInfo property when property.CanRead && property.GetIndexParameters().Length == 0:
+                value = property.GetValue(target);
+                return true;
+
+            default:
+                value = null;
+                return false;
+        }
+    }
+
+    /// <summary>
+    ///     True for a conversion that cannot change the value, so the operand can be read instead: boxing,
+    ///     an upcast, or a lift into <see cref="Nullable{T}" />.
+    /// </summary>
+    private static bool IsTransparentConversion(UnaryExpression unary)
+    {
+        if (unary.NodeType != ExpressionType.Convert &&
+            unary.NodeType != ExpressionType.ConvertChecked &&
+            unary.NodeType != ExpressionType.TypeAs)
+        {
+            return false;
+        }
+
+        if (unary.Method != null)
+        {
+            return false;
+        }
+
+        var from = unary.Operand.Type;
+        var to = Nullable.GetUnderlyingType(unary.Type) ?? unary.Type;
+
+        return to.IsAssignableFrom(from);
+    }
+
+    private static object Compile(Expression expression)
+    {
+        var body = expression.Type == typeof(object)
+            ? expression
+            : Expression.Convert(expression, typeof(object));
+
+        return Expression.Lambda<Func<object>>(body).Compile()();
+    }
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Visitors/LinqOperator.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Visitors/LinqOperator.cs
new file mode 100644
index 00000000..bd24b87e
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Visitors/LinqOperator.cs
@@ -0,0 +1,140 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Reflection;
+using System.Runtime.CompilerServices;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime.Visitors;
+
+internal enum LinqOperatorKind
+{
+    /// <summary>Not a LINQ operator at all.</summary>
+    None,
+
+    /// <summary>
+    ///     The operator replaces the element with something else (<c>Select</c>, <c>SelectMany</c>).
+    ///     The selection continues at whatever the projection lambda returns.
+    /// </summary>
+    Projection,
+
+    /// <summary>
+    ///     The operator keeps the source element type, or reduces the sequence to one of its elements, to a
+    ///     scalar computed from them, or to another container holding them (<c>Where</c>, <c>OrderBy</c>,
+    ///     <c>First</c>, <c>Count</c>, <c>ToDictionary</c>, <c>GroupBy</c>, ...).
+    ///     The selection stays on the source node; any lambda is a client side predicate or key selector whose
+    ///     members still have to be fetched for it to work.
+    /// </summary>
+    PassThrough,
+
+    /// <summary>
+    ///     A known LINQ operator that cannot be translated, because it combines several sequences
+    ///     (<c>Concat</c>, <c>Join</c>, <c>Zip</c>, ...) or folds the elements into an accumulator that the
+    ///     selection cannot follow (<c>Aggregate</c>).
+    /// </summary>
+    Unsupported
+}
+
+internal static class LinqOperator
+{
+    private static readonly HashSet<string> ProjectionOperators =
+    [
+        "Select",
+        "SelectMany"
+    ];
+
+    private static readonly HashSet<string> PassThroughOperators =
+    [
+        "All",
+        "Any",
+        "Append",
+        "AsEnumerable",
+        "AsQueryable",
+        "Average",
+        "Cast",
+        "Chunk",
+        "Contains",
+        "Count",
+        "CountBy",
+        "DefaultIfEmpty",
+        "Distinct",
+        "DistinctBy",
+        "ElementAt",
+        "ElementAtOrDefault",
+        "First",
+        "FirstOrDefault",
+        "GroupBy",
+        "Index",
+        "Last",
+        "LastOrDefault",
+        "LongCount",
+        "Max",
+        "MaxBy",
+        "Min",
+        "MinBy",
+        "OfType",
+        "Order",
+        "OrderBy",
+        "OrderByDescending",
+        "OrderDescending",
+        "Prepend",
+        "Reverse",
+        "Shuffle",
+        "Single",
+        "SingleOrDefault",
+        "Skip",
+        "SkipLast",
+        "SkipWhile",
+        "Sum",
+        "Take",
+        "TakeLast",
+        "TakeWhile",
+        "ThenBy",
+        "ThenByDescending",
+        "ToArray",
+        "ToDictionary",
+        "ToHashSet",
+        "ToList",
+        "ToLookup",
+        "TryGetNonEnumeratedCount",
+        "Where"
+    ];
+
+    internal static LinqOperatorKind Classify(MethodInfo method)
+    {
+        if (method.DeclaringType != typeof(Queryable) && method.DeclaringType != typeof(Enumerable))
+        {
+            return LinqOperatorKind.None;
+        }
+
+        if (Attribute.GetCustomAttribute(method, typeof(ExtensionAttribute)) == null)
+        {
+            return LinqOperatorKind.None;
+        }
+
+        if (ProjectionOperators.Contains(method.Name))
+        {
+            return LinqOperatorKind.Projection;
+        }
+
+        return PassThroughOperators.Contains(method.Name)
+            ? LinqOperatorKind.PassThrough
+            : LinqOperatorKind.Unsupported;
+    }
+
+    internal static bool IsOperator(MethodInfo method)
+    {
+        return Classify(method) != LinqOperatorKind.None;
+    }
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Visitors/QueryExpressionVisitor.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Visitors/QueryExpressionVisitor.cs
new file mode 100644
index 00000000..977f1b9e
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Client/Visitors/QueryExpressionVisitor.cs
@@ -0,0 +1,384 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Linq.Expressions;
+using System.Reflection;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime.Visitors;
+
+/// <summary>
+///     Translates the LINQ expressions passed to <c>Include</c> and <c>Select</c> into the
+///     <see cref="QueryNode" /> tree that the GraphQL query text is generated from.
+/// </summary>
+/// <remarks>
+///     <para>
+///         The visitor works on two levels. <see cref="ResolvePath" /> handles expressions that <i>name</i> a
+///         field — a chain of members, a GraphQL method call, or a LINQ operator over one of those — and returns
+///         the node that expression selects, creating it if needed. Everything else (object initialisers,
+///         comparisons, string calls, ...) is walked by the inherited <see cref="ExpressionVisitor" /> so that
+///         every field mentioned anywhere inside it still ends up in the query.
+///     </para>
+///     <para>
+///         Lambda parameters are bound to the node they iterate in <see cref="scopes" />, keyed by reference, so
+///         nested lambdas that reuse a parameter name stay distinct and a parameter that was never bound is
+///         reported instead of silently attaching its fields to the root.
+///     </para>
+/// </remarks>
+internal class QueryExpressionVisitor : ExpressionVisitor
+{
+    private readonly QueryNode root;
+    private readonly Dictionary<ParameterExpression, QueryNode> scopes = new();
+
+    private QueryExpressionVisitor(QueryNode root)
+    {
+        this.root = root;
+    }
+
+    internal static void Parse(Expression expression, QueryNode root)
+    {
+        ArgumentNullException.ThrowIfNull(expression);
+        ArgumentNullException.ThrowIfNull(root);
+
+        new QueryExpressionVisitor(root).ParseRoot(expression);
+    }
+
+    private void ParseRoot(Expression expression)
+    {
+        var body = Unwrap(expression);
+
+        if (body is LambdaExpression lambda)
+        {
+            if (lambda.Parameters.Count > 0)
+            {
+                Bind(lambda.Parameters[0], root);
+            }
+
+            body = Unwrap(lambda.Body);
+        }
+
+        Select(body);
+    }
+
+    /// <summary>
+    ///     Adds everything <paramref name="expression" /> selects to the query. When the expression names a
+    ///     single field, that field is the end of the path the caller wrote and therefore also gets its
+    ///     primitive properties.
+    /// </summary>
+    private void Select(Expression expression)
+    {
+        var node = ResolvePath(expression);
+        if (node != null)
+        {
+            node.IncludePrimitive = true;
+        }
+    }
+
+    /// <summary>
+    ///     Resolves an expression that names a field to its node, or returns null when the expression is not a
+    ///     single path — in which case any fields inside it have been added as a side effect.
+    /// </summary>
+    private QueryNode ResolvePath(Expression expression)
+    {
+        switch (Unwrap(expression))
+        {
+            case null:
+                return null;
+
+            case ParameterExpression parameter:
+                return Scope(parameter);
+
+            case MemberExpression member:
+                return ResolveMember(member);
+
+            case MethodCallExpression call:
+                return ResolveCall(call);
+
+            case var other:
+                // Not a path: an initialiser, a comparison, a literal. Walk it so the fields it mentions are
+                // still fetched, but there is no single node to hand back.
+                Visit(other);
+                return null;
+        }
+    }
+
+    private QueryNode ResolveMember(MemberExpression member)
+    {
+        if (member.Member.GetCustomAttribute<GraphQLMemberAttribute>() == null)
+        {
+            // Not a GraphQL field: Nullable<T>.Value, a plain CLR property, a captured local. The selection is
+            // whatever it was read from.
+            return ResolvePath(member.Expression);
+        }
+
+        var parent = ResolvePath(member.Expression);
+
+        // A GraphQL field read off something that is not part of the query - a captured entity, for instance -
+        // selects nothing.
+        return parent?.AddChildNode(new QueryNode(member.Member));
+    }
+
+    private QueryNode ResolveCall(MethodCallExpression call)
+    {
+        if (call.Method.GetCustomAttribute<GraphQLMemberAttribute>() != null)
+        {
+            return ResolveGraphMethod(call);
+        }
+
+        var kind = LinqOperator.Classify(call.Method);
+
+        switch (kind)
+        {
+            case LinqOperatorKind.Projection:
+            case LinqOperatorKind.PassThrough:
+                return ResolveLinqOperator(call, kind);
+
+            case LinqOperatorKind.Unsupported:
+                throw Unsupported(call,
+                    $"the LINQ operator '{call.Method.Name}' has no GraphQL equivalent and the selection cannot " +
+                    "follow what it returns",
+                    $"Select the fields the query needs and call '{call.Method.Name}' on the result of " +
+                    "ExecuteAsync instead.",
+                    call.Method.Name);
+
+            default:
+                // An ordinary method such as string.ToUpper(). It selects nothing itself, but its target and
+                // arguments may mention fields that have to be fetched for it to run on the result.
+                Visit(call.Object);
+                foreach (var argument in call.Arguments)
+                {
+                    Visit(argument);
+                }
+
+                return null;
+        }
+    }
+
+    private QueryNode ResolveGraphMethod(MethodCallExpression call)
+    {
+        // Extension methods carry their target as the first argument; instance methods have it as Object.
+        var target = call.Object ?? call.Arguments.FirstOrDefault();
+        var parent = ResolvePath(target);
+
+        if (parent == null)
+        {
+            throw Unsupported(call,
+                $"the target of '{call.Method.Name}' is not part of the query",
+                memberName: call.Method.Name);
+        }
+
+        return parent.AddChildNode(new QueryNode(call.Method, arguments: GetArguments(call)));
+    }
+
+    private QueryNode ResolveLinqOperator(MethodCallExpression call, LinqOperatorKind kind)
+    {
+        var source = ResolvePath(call.Arguments[0]);
+        var lambdas = GetLambdas(call);
+
+        if (source == null)
+        {
+            // The sequence is not part of the query, so there is nothing to bind the lambdas to.
+            foreach (var argument in call.Arguments)
+            {
+                Visit(argument);
+            }
+
+            return null;
+        }
+
+        if (kind == LinqOperatorKind.PassThrough)
+        {
+            // Predicates and key selectors run on the client, so the members they touch must be fetched, but
+            // the selection itself stays on the sequence.
+            var elementType = GetElementType(call.Arguments[0].Type);
+
+            foreach (var lambda in lambdas)
+            {
+                Bind(lambda.Parameters[0], source);
+
+                // GroupBy's result selector takes (key, elements): the elements are the sequence itself.
+                for (var i = 1; i < lambda.Parameters.Count; i++)
+                {
+                    if (elementType != null && GetElementType(lambda.Parameters[i].Type) == elementType)
+                    {
+                        Bind(lambda.Parameters[i], source);
+                    }
+                }
+
+                Select(lambda.Body);
+            }
+
+            return source;
+        }
+
+        // Select / SelectMany: the selection moves to whatever the projection returns.
+        QueryNode collection = null;
+        QueryNode projected = null;
+
+        for (var i = 0; i < lambdas.Count; i++)
+        {
+            var lambda = lambdas[i];
+
+            Bind(lambda.Parameters[0], source);
+
+            // SelectMany's result selector takes (element, collectionElement).
+            if (i > 0 && lambda.Parameters.Count > 1 && collection != null)
+            {
+                Bind(lambda.Parameters[1], collection);
+            }
+
+            projected = ResolvePath(lambda.Body);
+
+            if (i == 0)
+            {
+                collection = projected;
+            }
+        }
+
+        return projected;
+    }
+
+    /// <summary>
+    ///     The element type of a sequence type, or null when the type is not a sequence.
+    /// </summary>
+    private static Type GetElementType(Type type)
+    {
+        if (type.IsGenericType && type.GetGenericTypeDefinition() == typeof(IEnumerable<>))
+        {
+            return type.GetGenericArguments()[0];
+        }
+
+        return type.GetInterfaces()
+            .FirstOrDefault(e => e.IsGenericType && e.GetGenericTypeDefinition() == typeof(IEnumerable<>))
+            ?.GetGenericArguments()[0];
+    }
+
+    private static List<LambdaExpression> GetLambdas(MethodCallExpression call)
+    {
+        var lambdas = new List<LambdaExpression>();
+
+        for (var i = 1; i < call.Arguments.Count; i++)
+        {
+            if (Unwrap(call.Arguments[i]) is LambdaExpression { Parameters.Count: > 0 } lambda)
+            {
+                lambdas.Add(lambda);
+            }
+        }
+
+        return lambdas;
+    }
+
+    private static List<ArgumentValue> GetArguments(MethodCallExpression call)
+    {
+        var parameters = call.Method.GetParameters();
+        var arguments = new List<ArgumentValue>();
+
+        for (var i = 0; i < parameters.Length && i < call.Arguments.Count; i++)
+        {
+            var attribute = parameters[i].GetCustomAttribute<GraphQLArgumentAttribute>();
+            if (attribute == null)
+            {
+                continue;
+            }
+
+            arguments.Add(new ArgumentValue(attribute.GraphQLName, attribute.GraphQLType,
+                ExpressionEvaluator.Evaluate(call.Arguments[i])));
+        }
+
+        return arguments;
+    }
+
+    protected override Expression VisitMember(MemberExpression node)
+    {
+        if (node.Member.GetCustomAttribute<GraphQLMemberAttribute>() != null)
+        {
+            Select(node);
+            return node;
+        }
+
+        return base.VisitMember(node);
+    }
+
+    protected override Expression VisitMethodCall(MethodCallExpression node)
+    {
+        if (node.Method.GetCustomAttribute<GraphQLMemberAttribute>() != null ||
+            LinqOperator.IsOperator(node.Method))
+        {
+            Select(node);
+            return node;
+        }
+
+        return base.VisitMethodCall(node);
+    }
+
+    protected override Expression VisitParameter(ParameterExpression node)
+    {
+        // The whole element is projected, so take all of its primitive fields.
+        if (scopes.TryGetValue(node, out var scopeNode))
+        {
+            scopeNode.IncludePrimitive = true;
+        }
+
+        return node;
+    }
+
+    private void Bind(ParameterExpression parameter, QueryNode node)
+    {
+        scopes[parameter] = node;
+    }
+
+    private QueryNode Scope(ParameterExpression parameter)
+    {
+        if (scopes.TryGetValue(parameter, out var node))
+        {
+            return node;
+        }
+
+        throw new GraphQueryTranslationException(
+            $"Cannot translate '{parameter.Name}' of type '{parameter.Type.Name}': it is not bound to a field of " +
+            "the query. Only the parameters of the lambdas passed to Include and Select can be used to select fields.",
+            parameter);
+    }
+
+    private static Expression Unwrap(Expression expression)
+    {
+        while (expression != null)
+        {
+            switch (expression.NodeType)
+            {
+                case ExpressionType.Quote:
+                case ExpressionType.Convert:
+                case ExpressionType.ConvertChecked:
+                case ExpressionType.TypeAs:
+                case ExpressionType.Unbox:
+                    expression = ((UnaryExpression)expression).Operand;
+                    continue;
+
+                default:
+                    return expression;
+            }
+        }
+
+        return null;
+    }
+
+    private static GraphQueryTranslationException Unsupported(Expression expression, string reason,
+        string hint = null, string memberName = null)
+    {
+        var message = $"Cannot translate '{expression}' into a GraphQL selection: {reason}.";
+
+        return new GraphQueryTranslationException(hint == null ? message : message + " " + hint, expression,
+            memberName);
+    }
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/RuntimeInfo.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/RuntimeInfo.cs
new file mode 100644
index 00000000..37f14373
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/RuntimeInfo.cs
@@ -0,0 +1,22 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Written by the Linq2GraphQL generator in standalone mode.
+// Please don't edit this file - regenerate instead.
+//---------------------------------------------------------------------
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime;
+
+/// <summary>
+/// The Linq2GraphQL runtime this copy was taken from. It needs these packages:
+/// <list type="bullet">
+/// <item><description>Microsoft.Extensions.Caching.Memory 10.0.11</description></item>
+/// <item><description>Microsoft.Extensions.Http 10.0.11</description></item>
+/// <item><description>Websocket.Client 5.3.0</description></item>
+/// <item><description>GraphQL-Parser 9.5.1</description></item>
+/// <item><description>Microsoft.Extensions.AI.Abstractions 10.10.0</description></item>
+/// </list>
+/// </summary>
+public static class RuntimeInfo
+{
+    public const string Version = "1.0.84-prerelease";
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Subscriptions/GraphSubscription.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Subscriptions/GraphSubscription.cs
new file mode 100644
index 00000000..0f22ccf4
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Subscriptions/GraphSubscription.cs
@@ -0,0 +1,36 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Linq.Expressions;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime.Subscriptions;
+
+public class GraphSubscription<T> : GraphBase<T, GraphSubscription<T>> 
+{
+    public GraphSubscription(GraphClient client, string name, OperationType operationType, List<ArgumentValue> arguments) : base(client, name, operationType, arguments)
+    {
+    }
+
+    public GraphSubscriptionExecute<T, T> Select()
+    {
+        return new GraphSubscriptionExecute<T, T>(client, operationType, QueryNode, null);
+    }
+
+    public GraphSubscriptionExecute<T, TResult> Select<TResult>(Expression<Func<T, TResult>> selector)
+    {
+        ParseExpression(selector);
+        return new GraphSubscriptionExecute<T, TResult>(client, operationType, QueryNode, selector);
+    }
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Subscriptions/GraphSubscriptionExecute.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Subscriptions/GraphSubscriptionExecute.cs
new file mode 100644
index 00000000..44f60729
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Subscriptions/GraphSubscriptionExecute.cs
@@ -0,0 +1,312 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Linq.Expressions;
+using System.Reactive.Disposables;
+using System.Reactive.Linq;
+using System.Text.Json;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime.Subscriptions;
+
+public class GraphSubscriptionExecute<T, TResult> : GraphBaseExecute<T, TResult>
+{
+    private TaskCompletionSource<object> connectedTcs;
+
+    public GraphSubscriptionExecute(GraphClient client, OperationType operationType, QueryNode queryNode,
+        Expression<Func<T, TResult>> selector) : base(client, operationType, queryNode, selector) { }
+
+    /// <summary>
+    ///     Completes when the underlying transport is connected (SSE response accepted,
+    ///     WebSocket init/ack received) — lets callers trigger server events deterministically.
+    /// </summary>
+    internal Task WhenConnected => connectedTcs?.Task ?? Task.CompletedTask;
+
+    public async Task<IObservable<TResult>> StartAsync()
+    {
+        var results = await StartCoreAsync(continueOnFieldErrors: false);
+        return results.Select(result => result.Data);
+    }
+
+    /// <summary>
+    ///     Like <see cref="StartAsync"/>, but each event is delivered as a
+    ///     <see cref="GraphResult{T}"/> carrying its data AND its GraphQL <c>errors</c>.
+    ///     A <c>next</c> event with field errors does NOT end the subscription: the
+    ///     partial data and all later events keep flowing. Only transport and protocol
+    ///     failures terminate the stream.
+    /// </summary>
+    public async Task<IObservable<GraphResult<TResult>>> StartWithErrorsAsync()
+    {
+        return await StartCoreAsync(continueOnFieldErrors: true);
+    }
+
+    private async Task<IObservable<GraphResult<TResult>>> StartCoreAsync(bool continueOnFieldErrors)
+    {
+        var request = await GetRequestAsync();
+
+        if (string.IsNullOrWhiteSpace(client.SubscriptionUrl))
+        {
+            throw new Exception("Subscription url is not set");
+        }
+
+        var options = client.ClientOptions;
+
+        return Observable.Create<GraphResult<TResult>>(observer =>
+        {
+            // Per-subscriber state: each Subscribe() gets its own buffer, transport and
+            // connection signal. Sharing these across subscribers let one overflow poison
+            // the others.
+            var buffer = new SubscriptionEventBuffer<PendingPayload>(
+                options.SubscriptionMaxBufferedEvents, options.SubscriptionOverflowPolicy);
+            var connectedSource = new TaskCompletionSource<object>(TaskCreationOptions.RunContinuationsAsynchronously);
+            connectedTcs = connectedSource;
+            var cancellation = new CancellationTokenSource();
+            var queueLock = new object();
+            var signal = new SemaphoreSlim(0);
+            var completed = false;
+            var processorExited = false;
+            Exception failure = null;
+            IDisposable transportSubscription = Disposable.Empty;
+            IDisposable transportFailureSubscription = Disposable.Empty;
+            SSEClient sseClient = null;
+            WSClient wsClient = null;
+
+            void OnNext(PendingPayload payload)
+            {
+                lock (queueLock)
+                {
+                    if (completed || processorExited || cancellation.IsCancellationRequested)
+                    {
+                        return;
+                    }
+
+                    if (!buffer.TryEnqueue(payload, out var overflowFault))
+                    {
+                        if (overflowFault is not null)
+                        {
+                            failure = overflowFault;
+                            completed = true;
+                            signal.Release();
+                        }
+
+                        return;
+                    }
+
+                    signal.Release();
+                }
+            }
+
+            void OnFailure(Exception exception)
+            {
+                lock (queueLock)
+                {
+                    // Terminal transitions are idempotent: a late transport failure must
+                    // not override normal completion, and no callback may signal the
+                    // semaphore once the processor has exited and disposed it.
+                    if (completed || processorExited)
+                    {
+                        return;
+                    }
+
+                    failure = exception;
+                    completed = true;
+                    signal.Release();
+                }
+            }
+
+            void OnCompleted()
+            {
+                lock (queueLock)
+                {
+                    if (completed || processorExited)
+                    {
+                        return;
+                    }
+
+                    completed = true;
+                    signal.Release();
+                }
+            }
+
+            if (client.SubscriptionProtocol == SubscriptionProtocol.ServerSentEvents)
+            {
+                sseClient = new SSEClient(client, request);
+                transportSubscription = sseClient.Payloads.Subscribe(
+                    bytes => OnNext(new PendingPayload(bytes, default)), OnFailure, OnCompleted);
+                transportFailureSubscription = sseClient.Failures.Subscribe(OnFailure);
+                _ = ForwardConnectedAsync(sseClient.Connected, connectedSource);
+                _ = sseClient.Start(cancellation.Token);
+            }
+            else
+            {
+                wsClient = new WSClient(client, request);
+                transportSubscription = wsClient.Payloads.Subscribe(
+                    element => OnNext(new PendingPayload(null, element)), OnFailure, OnCompleted);
+                transportFailureSubscription = wsClient.Failures.Subscribe(OnFailure);
+                _ = StartWebSocketAsync(wsClient, OnFailure, connectedSource);
+            }
+
+            _ = ProcessEventsAsync();
+
+            return Disposable.Create(() =>
+            {
+                try
+                {
+                    cancellation.Cancel();
+                }
+                catch (ObjectDisposedException)
+                {
+                    // Processor may already have exited and disposed the source.
+                }
+
+                transportSubscription.Dispose();
+                transportFailureSubscription.Dispose();
+                sseClient?.Dispose();
+                if (wsClient is not null)
+                {
+                    _ = wsClient.DisposeAsync();
+                }
+
+                // The processor owns signal/cancellation cleanup; never block the disposing observer.
+            });
+
+            async Task ProcessEventsAsync()
+            {
+                try
+                {
+                    while (true)
+                    {
+                        await signal.WaitAsync(cancellation.Token).ConfigureAwait(false);
+
+                        // Drain everything currently queued before waiting again.
+                        while (true)
+                        {
+                            byte[] jsonBytes = null;
+                            JsonElement element = default;
+                            var hasPayload = false;
+                            var shouldComplete = false;
+                            Exception terminalFailure = null;
+
+                            lock (queueLock)
+                            {
+                                if (buffer.TryDequeue(out var payload))
+                                {
+                                    jsonBytes = payload.JsonBytes;
+                                    element = payload.Element;
+                                    hasPayload = true;
+                                }
+                                else if (completed)
+                                {
+                                    shouldComplete = true;
+                                    terminalFailure = failure;
+                                }
+                            }
+
+                            if (!hasPayload)
+                            {
+                                if (shouldComplete)
+                                {
+                                    if (terminalFailure is not null)
+                                    {
+                                        observer.OnError(terminalFailure);
+                                    }
+                                    else
+                                    {
+                                        observer.OnCompleted();
+                                    }
+
+                                    return;
+                                }
+
+                                break;
+                            }
+
+                            try
+                            {
+                                var full = jsonBytes is not null
+                                    ? queryExecutor.ProcessResponseFull(jsonBytes, QueryNode.Name)
+                                    : queryExecutor.ProcessResponseFull(element, QueryNode.Name);
+
+                                if (full.HasErrors && !continueOnFieldErrors)
+                                {
+                                    throw new GraphQueryExecutionException(full.Errors, request.Query, request.Variables);
+                                }
+
+                                observer.OnNext(new GraphResult<TResult>
+                                {
+                                    Data = ConvertResult(full.Data),
+                                    Errors = full.Errors,
+                                    Extensions = full.Extensions
+                                });
+                            }
+                            catch (Exception exception)
+                            {
+                                observer.OnError(exception);
+                                return;
+                            }
+                        }
+                    }
+                }
+                catch (OperationCanceledException) when (cancellation.IsCancellationRequested)
+                {
+                    // Unsubscription ends the processor without notifying the observer.
+                }
+                finally
+                {
+                    lock (queueLock)
+                    {
+                        processorExited = true;
+                    }
+
+                    signal.Dispose();
+                    cancellation.Dispose();
+                }
+            }
+        });
+    }
+
+    private readonly record struct PendingPayload(byte[] JsonBytes, JsonElement Element);
+
+    private static async Task StartWebSocketAsync(WSClient wsClient, Action<Exception> onFailure,
+        TaskCompletionSource<object> connectedTcs)
+    {
+        try
+        {
+            await wsClient.Start().ConfigureAwait(false);
+            connectedTcs.TrySetResult(null);
+        }
+        catch (Exception exception)
+        {
+            connectedTcs.TrySetException(exception);
+            onFailure(exception);
+        }
+    }
+
+    private static async Task ForwardConnectedAsync(Task connected, TaskCompletionSource<object> connectedTcs)
+    {
+        try
+        {
+            await connected.ConfigureAwait(false);
+            connectedTcs.TrySetResult(null);
+        }
+        catch (OperationCanceledException)
+        {
+            connectedTcs.TrySetCanceled();
+        }
+        catch (Exception exception)
+        {
+            connectedTcs.TrySetException(exception);
+        }
+    }
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Subscriptions/IdleTimeoutStream.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Subscriptions/IdleTimeoutStream.cs
new file mode 100644
index 00000000..3e3cb048
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Subscriptions/IdleTimeoutStream.cs
@@ -0,0 +1,127 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+namespace Linq2GraphQL.TestClientStandalone.Runtime.Subscriptions;
+
+/// <summary>
+///     Stream decorator that fails a read with an IOException once no bytes have
+///     arrived within the idle timeout. Each read gets its own timer that runs only while
+///     that read waits for data, so keep-alives (including WHATWG <c>:</c> comments, which
+///     the SSE parser consumes invisibly) keep the stream alive, and time the consumer spends
+///     between reads (processing an event, waiting for a thread) never counts as idle.
+/// </summary>
+internal sealed class IdleTimeoutStream : Stream
+{
+    private readonly Stream inner;
+    private readonly TimeSpan idleTimeout;
+    private readonly TimeProvider timeProvider;
+    private bool disposed;
+
+    /// <param name="timeProvider">Clock driving the idle timer; <see cref="TimeProvider.System" /> when null.
+    /// Tests pass a fake provider so the timer only advances when they say so.</param>
+    internal IdleTimeoutStream(Stream inner, TimeSpan idleTimeout, TimeProvider timeProvider = null)
+    {
+        if (idleTimeout <= TimeSpan.Zero)
+        {
+            throw new ArgumentOutOfRangeException(nameof(idleTimeout), "Idle timeout must be positive.");
+        }
+
+        this.inner = inner ?? throw new ArgumentNullException(nameof(inner));
+        this.idleTimeout = idleTimeout;
+        this.timeProvider = timeProvider ?? TimeProvider.System;
+    }
+
+    public override bool CanRead => inner.CanRead;
+    public override bool CanSeek => false;
+    public override bool CanWrite => false;
+    public override long Length => throw new NotSupportedException();
+    public override long Position { get => throw new NotSupportedException(); set => throw new NotSupportedException(); }
+
+    public override async ValueTask<int> ReadAsync(Memory<byte> buffer, CancellationToken cancellationToken = default)
+    {
+        ObjectDisposedException.ThrowIf(disposed, this);
+
+        // A fresh timer per read, disposed when the read completes: it runs only while waiting
+        // for data, and a timer that fired during a read which still returned bytes cannot leak
+        // into the next read (a CancellationTokenSource cannot be reset once cancelled).
+        // The timer source is bound to the TimeProvider (a linked source cannot be), then linked
+        // with the caller's token for the read itself.
+        using var timerCts = new CancellationTokenSource(idleTimeout, timeProvider);
+        using var readCts = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken, timerCts.Token);
+
+        try
+        {
+            return await inner.ReadAsync(buffer, readCts.Token).ConfigureAwait(false);
+        }
+        catch (OperationCanceledException) when (
+            timerCts.IsCancellationRequested && !cancellationToken.IsCancellationRequested)
+        {
+            // The idle timer fired and the caller did not cancel, so no bytes arrived within the
+            // window: the connection is dead. An OperationCanceledException the inner stream
+            // raised on its own propagates unchanged.
+            throw new IOException($"SSE idle timeout: no data received within {FormatTimeout(idleTimeout)}.");
+        }
+    }
+
+    /// <summary>
+    ///     Whole seconds as "N s", anything else as "N ms" - never rounds up (750 ms is not "1s");
+    ///     a positive timeout under 1 ms is "&lt;1 ms", not "0 s". Expects a positive timeout, as
+    ///     the constructor enforces.
+    /// </summary>
+    internal static string FormatTimeout(TimeSpan timeout)
+    {
+        var milliseconds = (long)timeout.TotalMilliseconds;
+        if (milliseconds == 0)
+        {
+            return "<1 ms";
+        }
+
+        return milliseconds % 1000 == 0
+            ? FormattableString.Invariant($"{milliseconds / 1000} s")
+            : FormattableString.Invariant($"{milliseconds} ms");
+    }
+
+    public override void Flush() => throw new NotSupportedException();
+    public override int Read(byte[] buffer, int offset, int count) => throw new NotSupportedException();
+    public override long Seek(long offset, SeekOrigin origin) => throw new NotSupportedException();
+    public override void SetLength(long value) => throw new NotSupportedException();
+    public override void Write(byte[] buffer, int offset, int count) => throw new NotSupportedException();
+
+    protected override void Dispose(bool disposing)
+    {
+        if (Interlocked.Exchange(ref disposed, true))
+        {
+            return;
+        }
+
+        if (disposing)
+        {
+            inner.Dispose();
+        }
+
+        base.Dispose(disposing);
+    }
+
+    public override async ValueTask DisposeAsync()
+    {
+        if (Interlocked.Exchange(ref disposed, true))
+        {
+            return;
+        }
+
+        await inner.DisposeAsync().ConfigureAwait(false);
+        GC.SuppressFinalize(this);
+    }
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Subscriptions/SSEClient.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Subscriptions/SSEClient.cs
new file mode 100644
index 00000000..3b15ad93
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Subscriptions/SSEClient.cs
@@ -0,0 +1,325 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Net.Http.Headers;
+using System.Net.ServerSentEvents;
+using System.Net.Mime;
+using System.Reactive.Linq;
+using System.Reactive.Subjects;
+using System.Text;
+using System.Text.Json;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime.Subscriptions;
+
+public class SSEClient : IDisposable
+{
+    private readonly GraphClient graphClient;
+    private readonly GraphQLRequest payload;
+    private readonly ISubject<byte[]> payloadSubject = Subject.Synchronize(new Subject<byte[]>());
+    private readonly ISubject<GraphQueryExecutionException> errorSubject =
+        Subject.Synchronize(new Subject<GraphQueryExecutionException>());
+    private readonly ISubject<Exception> failureSubject = Subject.Synchronize(new Subject<Exception>());
+    private readonly CancellationTokenSource cancellationSource = new();
+    private readonly object resourceLock = new();
+    private readonly TaskCompletionSource<object> connectedTcs =
+        new(TaskCreationOptions.RunContinuationsAsynchronously);
+    private HttpResponseMessage response;
+    private Stream eventStream;
+    private int disposed;
+    private int failureReported;
+    private int completedSent;
+
+    public SSEClient(GraphClient graphClient, GraphQLRequest payload)
+    {
+        this.graphClient = graphClient;
+        this.payload = payload;
+    }
+
+    /// <summary>Clock for the idle timeout; tests substitute a fake provider.</summary>
+    internal TimeProvider TimeProvider { get; init; } = TimeProvider.System;
+
+    /// <summary>
+    ///     UTF-8 payloads of "next" events decoded to strings — deferred per subscriber:
+    ///     the decode only happens for listeners actually attached here.
+    /// </summary>
+    public IObservable<string> Subscription => payloadSubject
+        .Select(static data => Encoding.UTF8.GetString(data));
+
+    /// <summary>
+    ///     Completes when the server has accepted the SSE POST (status + content type
+    ///     verified); faults/cancels if the connection fails or is disposed pre-connect.
+    /// </summary>
+    internal Task Connected => connectedTcs.Task;
+
+    public IObservable<GraphQueryExecutionException> Errors => errorSubject.AsObservable();
+    internal IObservable<Exception> Failures => failureSubject.AsObservable();
+
+    /// <summary>
+    ///     Raw UTF-8 payloads of "next" events — the byte-level feed used by
+    ///     GraphSubscriptionExecute to avoid a string round trip per message.
+    /// </summary>
+    internal IObservable<byte[]> Payloads => payloadSubject.AsObservable();
+
+    public void Dispose()
+    {
+        if (Interlocked.Exchange(ref disposed, 1) != 0)
+        {
+            return;
+        }
+
+        try
+        {
+            cancellationSource.Cancel();
+        }
+        catch (ObjectDisposedException)
+        {
+            // The reader has already completed and disposed the token source.
+        }
+
+        lock (resourceLock)
+        {
+            eventStream?.Dispose();
+            response?.Dispose();
+        }
+        payloadSubject.OnCompleted();
+        errorSubject.OnCompleted();
+        failureSubject.OnCompleted();
+        cancellationSource.Dispose();
+    }
+
+    public Task Start()
+    {
+        if (Volatile.Read(ref disposed) != 0)
+        {
+            connectedTcs.TrySetCanceled();
+            return Task.CompletedTask;
+        }
+
+        return Start(cancellationSource.Token);
+    }
+
+    internal async Task Start(CancellationToken cancellationToken)
+    {
+        if (Volatile.Read(ref disposed) != 0)
+        {
+            // Disposed before start: a no-op, not an ObjectDisposedException.
+            connectedTcs.TrySetCanceled();
+            return;
+        }
+
+        using var linkedSource = CancellationTokenSource.CreateLinkedTokenSource(
+            cancellationSource.Token, cancellationToken);
+        var token = linkedSource.Token;
+
+        using var request = new HttpRequestMessage(HttpMethod.Post, "");
+
+        try
+        {
+            var json = JsonSerializer.Serialize(payload, graphClient.SerializerOptions);
+            request.Content = new StringContent(json, Encoding.UTF8, MediaTypeNames.Application.Json);
+            request.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue("text/event-stream"));
+            await graphClient.ConfigureRequestAsync(request, token).ConfigureAwait(false);
+            var sentResponse = await graphClient.HttpClient.SendAsync(request, HttpCompletionOption.ResponseHeadersRead, token)
+                .ConfigureAwait(false);
+            lock (resourceLock)
+            {
+                response = sentResponse;
+                if (Volatile.Read(ref disposed) != 0)
+                {
+                    response.Dispose();
+                    response = null;
+                    connectedTcs.TrySetCanceled();
+                    return;
+                }
+            }
+
+            if (!sentResponse.IsSuccessStatusCode)
+            {
+                var content = await sentResponse.Content.ReadAsStringAsync(token).ConfigureAwait(false);
+                throw new GraphQueryRequestException(
+                    $"SSE connection failed with status {sentResponse.StatusCode}: {content}",
+                    payload.Query, payload.Variables);
+            }
+
+            if (!string.Equals(sentResponse.Content.Headers.ContentType?.MediaType, "text/event-stream",
+                    StringComparison.OrdinalIgnoreCase))
+            {
+                throw new GraphQueryRequestException(
+                    $"SSE connection returned unsupported content type '{sentResponse.Content.Headers.ContentType}'.",
+                    payload.Query, payload.Variables);
+            }
+
+            var rawStream = await sentResponse.Content.ReadAsStreamAsync(token).ConfigureAwait(false);
+            Stream source = rawStream;
+
+            // The server has accepted the subscription POST — the transport is live.
+            connectedTcs.TrySetResult(null);
+
+            // Optional idle timeout: any bytes (including ':' keep-alive comments, which
+            // the SSE parser consumes invisibly) reset the timer.
+            var idleTimeout = graphClient.ClientOptions?.SubscriptionIdleTimeout;
+            if (idleTimeout is { } timeout)
+            {
+                source = new IdleTimeoutStream(rawStream, timeout, TimeProvider);
+            }
+
+            lock (resourceLock)
+            {
+                eventStream = source;
+                if (Volatile.Read(ref disposed) != 0)
+                {
+                    eventStream.Dispose();
+                    eventStream = null;
+                    connectedTcs.TrySetCanceled();
+                    return;
+                }
+            }
+
+            // SseParser (System.Net.ServerSentEvents) implements the WHATWG framing:
+            // multi-line data joined with '\n', comments ignored, dispatch on blank line,
+            // incomplete trailing event discarded at EOF. Data is kept as UTF-8 bytes.
+            var parser = SseParser.Create(source, static (_, data) => data.ToArray());
+            await foreach (var item in parser.EnumerateAsync(token).ConfigureAwait(false))
+            {
+                // Older GraphQL-over-SSE servers omit `event: next`. SseParser reports the
+                // SSE default event type "message" when no event field was sent — map both
+                // to "next"; Dispatch ignores unknown types (keep-alives etc.) otherwise.
+                var eventType = item.EventType;
+                if (string.IsNullOrEmpty(eventType) || eventType == "message")
+                {
+                    eventType = "next";
+                }
+
+                var sseEvent = new SseEvent(eventType, item.Data);
+
+                if (Dispatch(sseEvent))
+                {
+                    return;
+                }
+            }
+
+            token.ThrowIfCancellationRequested();
+            throw new IOException("SSE stream ended before a complete event was received.");
+        }
+        catch (OperationCanceledException) when (token.IsCancellationRequested)
+        {
+            // Disposal/unsubscription is the normal way to stop an open stream.
+            connectedTcs.TrySetCanceled();
+        }
+        catch (Exception exception)
+        {
+            ReportFailure(exception is HttpRequestException or IOException or OperationCanceledException
+                ? new GraphQueryRequestException($"SSE connection failed: {exception.Message}",
+                    payload.Query, payload.Variables)
+                : exception);
+        }
+        finally
+        {
+            lock (resourceLock)
+            {
+                response?.Dispose();
+                response = null;
+                eventStream?.Dispose();
+                eventStream = null;
+            }
+
+            // Complete only if neither a failure nor an explicit server complete
+            // already terminated the stream (prevents a double OnCompleted).
+            if (Volatile.Read(ref failureReported) == 0
+                && Volatile.Read(ref completedSent) == 0
+                && Volatile.Read(ref disposed) == 0)
+            {
+                payloadSubject.OnCompleted();
+            }
+        }
+    }
+
+    private bool Dispatch(SseEvent message)
+    {
+        switch (message.EventType)
+        {
+            case "next":
+                payloadSubject.OnNext(message.Data);
+                return false;
+            case "error":
+                ReportFailure(ParseSseError(message.Data));
+                return true;
+            case "complete":
+                // Guard against a duplicate complete.
+                if (Interlocked.Exchange(ref completedSent, 1) == 0)
+                {
+                    payloadSubject.OnCompleted();
+                }
+
+                return true;
+            default:
+                // WHATWG SSE spec: unknown event names dispatch to no listener. Servers
+                // and proxies legitimately add event types (e.g. HotChocolate "ka"
+                // keep-alives); ignoring them keeps the stream alive.
+                return false;
+        }
+    }
+
+    private Exception ParseSseError(byte[] json)
+    {
+        try
+        {
+            using var document = JsonDocument.Parse(json);
+            var root = document.RootElement;
+            var errors = root.ValueKind == JsonValueKind.Array
+                ? root.Deserialize<List<GraphQueryError>>(graphClient.SerializerOptions)
+                : root.TryGetProperty("errors", out var errorsElement)
+                    ? errorsElement.Deserialize<List<GraphQueryError>>(graphClient.SerializerOptions)
+                    : new List<GraphQueryError> { new() { Message = Encoding.UTF8.GetString(json) } };
+            return new GraphQueryExecutionException(errors, payload.Query, payload.Variables);
+        }
+        catch (JsonException)
+        {
+            return new GraphQueryExecutionException(
+                new List<GraphQueryError> { new() { Message = Encoding.UTF8.GetString(json) } },
+                payload.Query, payload.Variables);
+        }
+        catch (InvalidOperationException)
+        {
+            return new GraphQueryExecutionException(
+                new List<GraphQueryError> { new() { Message = Encoding.UTF8.GetString(json) } },
+                payload.Query, payload.Variables);
+        }
+    }
+
+    private void ReportFailure(Exception exception)
+    {
+        // Idempotent: only the first failure emits. This uses a dedicated flag so a
+        // later Dispose() still runs (it owns resource cleanup via the disposed flag).
+        if (Interlocked.Exchange(ref failureReported, 1) != 0)
+        {
+            return;
+        }
+
+        if (exception is GraphQueryExecutionException executionException)
+        {
+            errorSubject.OnNext(executionException);
+        }
+
+        // WhenConnected waiters learn about connect failures; a no-op once connected.
+        connectedTcs.TrySetException(exception);
+
+        failureSubject.OnNext(exception);
+        failureSubject.OnCompleted();
+        payloadSubject.OnCompleted();
+    }
+}
+
+internal readonly record struct SseEvent(string EventType, byte[] Data);
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Subscriptions/SubscribeCommands.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Subscriptions/SubscribeCommands.cs
new file mode 100644
index 00000000..ed0aa5ae
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Subscriptions/SubscribeCommands.cs
@@ -0,0 +1,24 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+namespace Linq2GraphQL.TestClientStandalone.Runtime.Subscriptions
+{
+    internal class SubscribeCommands
+    {
+        internal const string SUBSCRIBE = "subscribe";
+        internal const string START = "start";
+        internal const string STOP = "stop";
+    }
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Subscriptions/SubscriptionEventBuffer.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Subscriptions/SubscriptionEventBuffer.cs
new file mode 100644
index 00000000..192b211e
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Subscriptions/SubscriptionEventBuffer.cs
@@ -0,0 +1,96 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime.Subscriptions;
+
+/// <summary>
+///     Bounded event buffer between a subscription transport and its observer. The
+///     overflow behavior is controlled by <see cref="SubscriptionOverflowPolicy"/>.
+///     Callers own synchronization.
+/// </summary>
+internal sealed class SubscriptionEventBuffer<T>
+{
+    private readonly int maximumBufferedEvents;
+    private readonly SubscriptionOverflowPolicy policy;
+    private readonly Queue<T> queue;
+
+    public SubscriptionEventBuffer(int maximumBufferedEvents, SubscriptionOverflowPolicy policy)
+    {
+        if (maximumBufferedEvents <= 0)
+        {
+            throw new ArgumentOutOfRangeException(nameof(maximumBufferedEvents),
+                "SubscriptionMaxBufferedEvents must be greater than zero.");
+        }
+
+        this.maximumBufferedEvents = maximumBufferedEvents;
+        this.policy = policy;
+        queue = new Queue<T>(Math.Min(maximumBufferedEvents, 16));
+    }
+
+    public int Count => queue.Count;
+
+    /// <summary>
+    ///     Adds an event, applying the overflow policy when full. Returns false when
+    ///     the buffer is in the faulted state (Fault policy with a full buffer); the
+    ///     fault is returned via <paramref name="overflowFault"/> and the buffer then
+    ///     refuses all further enqueues.
+    /// </summary>
+    public bool TryEnqueue(T payload, out Exception overflowFault)
+    {
+        overflowFault = null;
+
+        if (faulted)
+        {
+            return false;
+        }
+
+        if (queue.Count >= maximumBufferedEvents)
+        {
+            switch (policy)
+            {
+                case SubscriptionOverflowPolicy.DropOldest:
+                    queue.Dequeue();
+                    break;
+                case SubscriptionOverflowPolicy.KeepLatest:
+                    queue.Clear();
+                    break;
+                default:
+                    overflowFault = new InvalidOperationException(
+                        $"Subscription event buffer exceeded {maximumBufferedEvents} messages.");
+                    faulted = true;
+                    return false;
+            }
+        }
+
+        queue.Enqueue(payload);
+        return true;
+    }
+
+    public bool TryDequeue(out T payload)
+    {
+        if (queue.Count == 0)
+        {
+            payload = default;
+            return false;
+        }
+
+        payload = queue.Dequeue();
+        return true;
+    }
+
+    private bool faulted;
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Subscriptions/SubscriptionProtocols.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Subscriptions/SubscriptionProtocols.cs
new file mode 100644
index 00000000..fc0cfb66
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Subscriptions/SubscriptionProtocols.cs
@@ -0,0 +1,23 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+namespace Linq2GraphQL.TestClientStandalone.Runtime.Subscriptions
+{
+    internal static class SubscriptionProtocols
+    {
+        internal const string GRAPGQL_TRANSPORT_WS = "graphql-transport-ws";
+        internal const string GRAPHQL_WS = "graphql-ws";
+    }
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Subscriptions/WSClient.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Subscriptions/WSClient.cs
new file mode 100644
index 00000000..026a2614
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Subscriptions/WSClient.cs
@@ -0,0 +1,843 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Net.WebSockets;
+using System.Reactive.Linq;
+using System.Reactive.Subjects;
+using System.Runtime.ExceptionServices;
+using System.Text.Json;
+using System.Text.Json.Nodes;
+using Websocket.Client;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime.Subscriptions;
+
+public class WSClient : IAsyncDisposable
+{
+    private readonly GraphClient graphClient;
+    private readonly GraphQLRequest payload;
+    // Raw string feed kept for backward compatibility; emissions are serialized by the
+    // transport's single receive loop, so the unsynchronized Subject is safe.
+    private readonly Subject<string> subscriptionSubject = new();
+    private readonly ISubject<JsonElement> payloadSubject = Subject.Synchronize(new Subject<JsonElement>());
+    private readonly ISubject<GraphQueryExecutionException> errorSubject =
+        Subject.Synchronize(new Subject<GraphQueryExecutionException>());
+    private readonly ISubject<Exception> failureSubject = Subject.Synchronize(new Subject<Exception>());
+    private readonly WebsocketClient client;
+    // Shared frozen options (same instance as GraphClient.SerializerOptions) — outgoing
+    // protocol messages only, but reusing it keeps one metadata cache process-wide.
+    private readonly JsonSerializerOptions jsonOptions = Linq2GraphQL.TestClientStandalone.Runtime.Common.ClientJson.Default;
+    private readonly string subscriptionId = Guid.NewGuid().ToString();
+    private readonly object stateLock = new();
+    private TaskCompletionSource<bool> ackSource;
+    private readonly CancellationTokenSource cancellationSource = new();
+    private readonly IDisposable messageSubscription;
+    private readonly IDisposable disconnectionSubscription;
+    private Task initializationTask;
+    private bool acknowledged;
+    private int retryAttemptsUsed;
+    private readonly int maxRetryAttempts;
+    private bool retryLoopRunning;
+    private bool subscriptionSent;
+    private bool initSent;
+    private bool disposed;
+    private bool intentionalDisconnection;
+    private int terminalFailure;
+    private string subprotocol;
+    // Own no-message watchdog: Websocket.Client's ReconnectTimeout only acts when its own
+    // reconnection is enabled, which this class disables (verified: no NoMessageReceived event).
+    private Timer watchdog;
+    private long lastMessageTicks;
+    // connection_init payload of the CURRENT connection. Resolved in the connection factory,
+    // before the socket connects, so the payload delegate runs inside ConnectTimeout and cannot
+    // hold an open socket past the server's connection_init wait (graphql-ws closes with 4408).
+    // Read by SendConnectionInit, which runs after the factory for the same generation.
+    private volatile object connectionInitPayload;
+    // The last failure of the pre-connect preparation (request hooks, payload delegate).
+    // Websocket.Client wraps any factory exception in its own WebsocketException; this lets
+    // Start() and the retry loop surface the caller's original exception instead.
+    private volatile ExceptionDispatchInfo preparationFailure;
+
+    // Headers the WebSocket handshake owns; a hook setting them must not break the upgrade.
+    private static readonly HashSet<string> HandshakeOwnedHeaders = new(StringComparer.OrdinalIgnoreCase)
+    {
+        "Host",
+        "Connection",
+        "Upgrade",
+        "Sec-WebSocket-Key",
+        "Sec-WebSocket-Version",
+        "Sec-WebSocket-Protocol",
+        "Sec-WebSocket-Extensions",
+    };
+
+    public WSClient(GraphClient graphClient, GraphQLRequest payload)
+    {
+        this.graphClient = graphClient;
+        this.payload = payload;
+        maxRetryAttempts = Math.Max(0, graphClient.ClientOptions.SubscriptionRetryAttempts);
+
+        // The async connection factory runs for EVERY connect, including each reconnect attempt
+        // inside the retry loop — so request hooks (WithAccessToken etc.) run per connection and
+        // a refreshed token is picked up on reconnect. It must return an already-connected socket.
+        var factory = new Func<Uri, CancellationToken, Task<WebSocket>>(async (uri, cancellationToken) =>
+        {
+            var socket = new ClientWebSocket();
+            try
+            {
+                try
+                {
+                    socket.Options.AddSubProtocol(subprotocol ?? GetSubprotocolString());
+                    var authorization = await ApplyRequestHooksAsync(socket.Options, cancellationToken)
+                        .ConfigureAwait(false);
+                    connectionInitPayload = await BuildConnectionInitPayloadAsync(authorization, cancellationToken)
+                        .ConfigureAwait(false);
+                    preparationFailure = null;
+                }
+                catch (Exception exception) when (exception is not OperationCanceledException)
+                {
+                    // Cancellation (ConnectTimeout elapsed, disposal) stays wrapped: a bare
+                    // OperationCanceledException from Start() would read as the caller's own cancel.
+                    preparationFailure = ExceptionDispatchInfo.Capture(exception);
+                    throw;
+                }
+
+                await socket.ConnectAsync(uri, cancellationToken).ConfigureAwait(false);
+                return socket;
+            }
+            catch
+            {
+                socket.Dispose();
+                throw;
+            }
+        });
+
+        client = new WebsocketClient(new Uri(graphClient.SubscriptionUrl), null, factory)
+        {
+            // This class owns reconnection (bounded, with backoff) and silence detection. The
+            // library's own loop retries forever and goes silent after an Error.
+            ReconnectTimeout = null,
+            IsReconnectionEnabled = false,
+            // The default 5 s budget covers only the socket connect; the request hooks (token
+            // fetch, e.g. an IdP round-trip) run inside the same window, so give them room.
+            ConnectTimeout = TimeSpan.FromSeconds(30),
+        };
+
+        messageSubscription = client.MessageReceived.Subscribe(HandleMessage, ReportFailure);
+        disconnectionSubscription = client.DisconnectionHappened.Subscribe(HandleDisconnection, ReportFailure);
+    }
+
+    /// <summary>
+    ///     Runs the request hooks for one upgrade request and copies the resulting headers onto the
+    ///     socket. Returns the effective <c>Authorization</c> value (for
+    ///     <see cref="GraphClientOptions.SendAuthorizationInConnectionInit"/>), or null.
+    /// </summary>
+    private async Task<string> ApplyRequestHooksAsync(ClientWebSocketOptions socketOptions,
+        CancellationToken cancellationToken)
+    {
+        // The hooks are HttpRequestMessage-based (same shape as queries and SSE); run them on a
+        // dummy request for the subscription URL, then copy the resulting headers onto the socket.
+        using var request = new HttpRequestMessage(HttpMethod.Get, new Uri(graphClient.SubscriptionUrl));
+        await graphClient.ConfigureRequestAsync(request, cancellationToken).ConfigureAwait(false);
+
+        // Queries get HttpClient.DefaultRequestHeaders from HttpClient.SendAsync; the upgrade does
+        // not go through HttpClient, so merge them here. Same precedence as SendAsync: a header
+        // already on the request (set by a hook) wins over the default of the same name.
+        var defaults = graphClient.HttpClient?.DefaultRequestHeaders;
+        var headers = new List<(string Name, string Value)>();
+        if (defaults is not null)
+        {
+            foreach (var (key, values) in defaults)
+            {
+                if (!request.Headers.Contains(key))
+                {
+                    headers.Add((key, string.Join(", ", values)));
+                }
+            }
+        }
+
+        foreach (var (key, values) in request.Headers)
+        {
+            headers.Add((key, string.Join(", ", values)));
+        }
+
+        var authorization = request.Headers.Authorization?.ToString() ?? defaults?.Authorization?.ToString();
+
+        // Browsers do not allow custom headers on WebSocket requests: the Authorization value
+        // returned here travels in the connection_init payload instead (Blazor WebAssembly).
+        if (OperatingSystem.IsBrowser())
+        {
+            return authorization;
+        }
+
+        foreach (var (name, value) in headers)
+        {
+            if (!HandshakeOwnedHeaders.Contains(name) && !string.IsNullOrEmpty(value))
+            {
+                socketOptions.SetRequestHeader(name, value);
+            }
+        }
+
+        return authorization;
+    }
+
+    public IObservable<string> Subscription => subscriptionSubject.AsObservable();
+    internal IObservable<JsonElement> Payloads => payloadSubject.AsObservable();
+    public IObservable<GraphQueryExecutionException> Errors => errorSubject.AsObservable();
+    internal IObservable<Exception> Failures => failureSubject.AsObservable();
+
+    /// <summary>
+    ///     A connection that delivers no frame (data, ping or keep-alive) for this long is treated
+    ///     as lost and goes through the reconnect loop. Mirrors the previous 30 s ReconnectTimeout.
+    /// </summary>
+    internal TimeSpan NoMessageTimeout { get; set; } = TimeSpan.FromSeconds(30);
+
+    /// <summary>
+    ///     Delay before reconnect attempt n (0-based). Tests shorten it so "no background retry"
+    ///     assertions do not depend on outwaiting the real backoff.
+    /// </summary>
+    internal Func<int, TimeSpan> RetryDelay { get; set; } = BackoffDelay;
+
+    public async ValueTask DisposeAsync()
+    {
+        lock (stateLock)
+        {
+            if (disposed)
+            {
+                return;
+            }
+
+            disposed = true;
+            intentionalDisconnection = true;
+        }
+
+        cancellationSource.Cancel();
+        watchdog?.Dispose();
+        messageSubscription.Dispose();
+        disconnectionSubscription.Dispose();
+
+        try
+        {
+            if (client.IsRunning)
+            {
+                await client.SendInstant(JsonSerializer.Serialize(
+                    new WebsocketRequest(GetCompleteCommand()) { Id = subscriptionId }, jsonOptions)).ConfigureAwait(false);
+            }
+
+            await client.Stop(WebSocketCloseStatus.NormalClosure, string.Empty).ConfigureAwait(false);
+        }
+        catch (Exception)
+        {
+            // Disposal must still release client resources if the transport already failed.
+        }
+
+        client.Dispose();
+        payloadSubject.OnCompleted();
+        subscriptionSubject.OnCompleted();
+        errorSubject.OnCompleted();
+        failureSubject.OnCompleted();
+        // cancellationSource is intentionally not disposed: a retry loop still unwinding after
+        // Cancel() may read its token, and an undisposed CTS without timers holds no resources.
+    }
+
+    public Task Start()
+    {
+        lock (stateLock)
+        {
+            if (disposed)
+            {
+                throw new ObjectDisposedException(nameof(WSClient));
+            }
+
+            initializationTask ??= InitializeAsync();
+            return initializationTask;
+        }
+    }
+
+    private async Task InitializeAsync()
+    {
+        // Created before StartOrFail so an eager ack arriving during the handshake
+        // completes this generation's source instead of racing a null field (L2).
+        ackSource = CreateAckSource();
+        try
+        {
+            await StartTransportAsync().ConfigureAwait(false);
+
+            // Initial connect: a missing subprotocol is a protocol violation and stays terminal.
+            var negotiated = client.NativeClient?.SubProtocol;
+            if (string.IsNullOrEmpty(negotiated))
+            {
+                throw new InvalidDataException("WebSocket server did not negotiate a GraphQL subprotocol.");
+            }
+
+            subprotocol = ValidateNegotiatedSubprotocol(negotiated);
+            SendConnectionInit();
+            await WaitForAckAsync().ConfigureAwait(false);
+        }
+        catch
+        {
+            // Any failure of the initial connect/handshake propagates to the caller from Start().
+            // The transport may still surface the same failure later (e.g. the server closing on
+            // its own ack timeout); without marking it terminal the retry loop would run the
+            // full bounded budget in the background and report a second, delayed error for a
+            // failure the caller already handled.
+            Interlocked.Exchange(ref terminalFailure, 1);
+            throw;
+        }
+
+        StartWatchdog();
+    }
+
+    /// <summary>
+    ///     <see cref="WebsocketClient.StartOrFail"/>, but a failure of our own pre-connect step
+    ///     (a request hook or the connection_init payload delegate) is rethrown as the original
+    ///     exception, with its stack, instead of Websocket.Client's <c>WebsocketException</c>
+    ///     wrapper - so callers can catch their own types (e.g. a token service's exception).
+    /// </summary>
+    private async Task StartTransportAsync()
+    {
+        preparationFailure = null;
+        try
+        {
+            await client.StartOrFail().ConfigureAwait(false);
+        }
+        catch (Exception exception) when (preparationFailure is { } failure
+                                          && ReferenceEquals(exception.InnerException, failure.SourceException))
+        {
+            failure.Throw();
+        }
+    }
+
+    private void StartWatchdog()
+    {
+        Volatile.Write(ref lastMessageTicks, Environment.TickCount64);
+        var period = TimeSpan.FromMilliseconds(Math.Max(100, NoMessageTimeout.TotalMilliseconds / 4));
+        lock (stateLock)
+        {
+            if (disposed || watchdog is not null)
+            {
+                return;
+            }
+
+            watchdog = new Timer(_ => CheckSilence(), null, period, period);
+        }
+    }
+
+    private void CheckSilence()
+    {
+        var silentMs = Environment.TickCount64 - Volatile.Read(ref lastMessageTicks);
+        if (silentMs < NoMessageTimeout.TotalMilliseconds)
+        {
+            return;
+        }
+
+        lock (stateLock)
+        {
+            if (disposed || retryLoopRunning || Volatile.Read(ref terminalFailure) != 0)
+            {
+                return;
+            }
+        }
+
+        StartRetryLoop(new IOException(
+            $"No WebSocket message received for {NoMessageTimeout.TotalSeconds:0.#} s; connection treated as lost."));
+    }
+
+    private async Task WaitForAckAsync()
+    {
+        var source = ackSource;
+        using var registration = cancellationSource.Token.Register(
+            () => source.TrySetCanceled(cancellationSource.Token));
+        try
+        {
+            await source.Task.WaitAsync(TimeSpan.FromSeconds(10), cancellationSource.Token).ConfigureAwait(false);
+        }
+        catch (TimeoutException)
+        {
+            throw new GraphQueryRequestException(
+                "WebSocket connection_ack was not received within 10 seconds.",
+                payload.Query, payload.Variables);
+        }
+    }
+
+    private static TaskCompletionSource<bool> CreateAckSource()
+    {
+        return new TaskCompletionSource<bool>(TaskCreationOptions.RunContinuationsAsynchronously);
+    }
+
+    private void SendConnectionInit()
+    {
+        // The payload was resolved by the connection factory for this connection (before the
+        // socket opened), so nothing slow runs between the open socket and connection_init.
+        var initRequest = new WebsocketRequest(WebsocketRequestTypes.CONNECTION_INIT)
+        {
+            Payload = connectionInitPayload
+        };
+
+        SendRequest(initRequest);
+        lock (stateLock)
+        {
+            initSent = true;
+        }
+
+        // An eager server may ack before init was queued; if so, subscribe now.
+        // SendSubscription is idempotent (subscriptionSent) and no-ops otherwise.
+        SendSubscription();
+    }
+
+    private async ValueTask<object> BuildConnectionInitPayloadAsync(string authorization,
+        CancellationToken cancellationToken)
+    {
+        // New option wins; the obsolete WSConnectionInitPayload is the fallback (resolved inside
+        // GraphClient so the deprecation pragma lives in exactly one place).
+        var payload = await graphClient.GetConnectionInitPayloadAsync(cancellationToken).ConfigureAwait(false);
+
+        if (!graphClient.ClientOptions.SendAuthorizationInConnectionInit || string.IsNullOrEmpty(authorization))
+        {
+            return payload;
+        }
+
+        // Blazor WebAssembly path: the browser drops headers on WebSocket requests, so the token
+        // produced by the request hooks travels inside connection_init (graphql-ws/Apollo style
+        // "Authorization" connection parameter). The hook value wins on key conflicts.
+        if (payload is null)
+        {
+            return new JsonObject { ["Authorization"] = authorization };
+        }
+
+        // Merge on the JSON the payload serializes to - with the same options it would be sent
+        // with - so any shape that is a JSON object merges: dictionaries of any value type,
+        // anonymous objects, POCOs ([JsonPropertyName] honored), JsonObject and JsonElement.
+        if (JsonSerializer.SerializeToNode(payload, payload.GetType(), jsonOptions) is JsonObject merged)
+        {
+            merged["Authorization"] = authorization;
+            return merged;
+        }
+
+        throw new InvalidOperationException(
+            "SendAuthorizationInConnectionInit requires the ConnectionInitPayload to serialize to a JSON "
+            + "object (or be null) so the Authorization connection parameter can be merged; "
+            + $"it was {payload.GetType()}.");
+    }
+
+    private string ValidateNegotiatedSubprotocol(string negotiatedProtocol)
+    {
+        // Null on reconnect can mean the handshake has not completed yet. Skipping
+        // (instead of failing) lets the library's reconnect cycle retry; a wrong
+        // non-null protocol is a real mismatch and stays terminal.
+        if (string.IsNullOrEmpty(negotiatedProtocol))
+        {
+            return null;
+        }
+
+        var expected = GetSubprotocolString();
+        if (!string.Equals(negotiatedProtocol, expected, StringComparison.Ordinal))
+        {
+            throw new InvalidDataException($"WebSocket server negotiated '{negotiatedProtocol}', expected '{expected}'.");
+        }
+
+        return negotiatedProtocol;
+    }
+
+    private void HandleMessage(ResponseMessage message)
+    {
+        Volatile.Write(ref lastMessageTicks, Environment.TickCount64);
+        if (Volatile.Read(ref terminalFailure) != 0 || disposed)
+        {
+            return;
+        }
+
+        if (string.IsNullOrWhiteSpace(message.Text))
+        {
+            ReportFailure(new InvalidDataException("Received an empty WebSocket frame."));
+            return;
+        }
+
+        try
+        {
+            using var document = JsonDocument.Parse(message.Text);
+            var root = document.RootElement;
+            var type = root.TryGetProperty("type", out var typeElement) ? typeElement.GetString() : null;
+            var id = root.TryGetProperty("id", out var idElement) ? idElement.GetString() : null;
+
+            switch (type)
+            {
+                case null:
+                    return;
+                case WebsocketRequestTypes.CONNECTION_ACK:
+                    lock (stateLock)
+                    {
+                        if (disposed)
+                        {
+                            return;
+                        }
+
+                        acknowledged = true;
+                        retryAttemptsUsed = 0;
+                    }
+
+                    ackSource?.TrySetResult(true);
+                    SendSubscription();
+                    return;
+                case WebsocketRequestTypes.CONNECTION_ERROR:
+                    ReportFailure(CreateServerException(root.TryGetProperty("payload", out var connectionError)
+                        ? connectionError
+                        : root));
+                    return;
+                case WebsocketRequestTypes.PING:
+                    SendPong(root.TryGetProperty("payload", out var pingPayload) ? pingPayload : null);
+                    return;
+                case WebsocketRequestTypes.PONG:
+                    return;
+                case "ka":
+                    return;
+                case WebsocketRequestTypes.ERROR:
+                    if (MatchesActiveSubscription(id))
+                    {
+                        ReportFailure(CreateServerException(root.TryGetProperty("payload", out var errorPayload)
+                            ? errorPayload
+                            : default));
+                    }
+
+                    return;
+                case WebsocketRequestTypes.COMPLETE:
+                    if (MatchesActiveSubscription(id))
+                    {
+                        // Typed consumers (GraphSubscriptionExecute) listen to payloadSubject;
+                        // completing only the string feed left their observable open forever.
+                        payloadSubject.OnCompleted();
+                        subscriptionSubject.OnCompleted();
+                    }
+
+                    return;
+                case WebsocketRequestTypes.NEXT:
+                case WebsocketRequestTypes.DATA:
+                    if (MatchesActiveSubscription(id) && root.TryGetProperty("payload", out var nextPayload))
+                    {
+                        // Cloned so the element outlives the disposed JsonDocument.
+                        payloadSubject.OnNext(nextPayload.Clone());
+                        if (subscriptionSubject.HasObservers)
+                        {
+                            subscriptionSubject.OnNext(nextPayload.GetRawText());
+                        }
+                    }
+
+                    return;
+                default:
+                    // Unknown message types (proxy injections, forward-compatible server
+                    // additions like graphql-ws "ping"/"pong") are ignored, matching the
+                    // SSE transport's tolerance for unknown event types — a single
+                    // unknown type must not kill the subscription.
+                    return;
+            }
+        }
+        catch (Exception exception)
+        {
+            ReportFailure(exception);
+        }
+    }
+
+    // graphql-ws reference client (client.ts shouldRetryConnectOrThrow): these close codes are
+    // fatal and never retried. 4403 Forbidden, 4408 init timeout, 4499 and 4504 are retryable.
+    private static readonly int[] FatalCloseCodes =
+    {
+        4004, 4005, 4400, 4401, 4406, 4409, 4429, 4500,
+    };
+
+    // Internal WebSocket close codes in [1000, 1999] are fatal except the normal/transient ones.
+    private static readonly int[] NonFatalInternalCloseCodes = { 1000, 1001, 1005, 1006, 1012, 1013, 1014 };
+
+    internal static bool IsFatalCloseCodeForTests(int code) => IsFatalCloseCode(code);
+
+    private static bool IsFatalCloseCode(int code)
+    {
+        if (Array.IndexOf(FatalCloseCodes, code) >= 0)
+        {
+            return true;
+        }
+
+        return code is >= 1000 and <= 1999 && Array.IndexOf(NonFatalInternalCloseCodes, code) < 0;
+    }
+
+    private void HandleDisconnection(DisconnectionInfo info)
+    {
+        if (info.Type == DisconnectionType.Exit || info.Type == DisconnectionType.ByUser)
+        {
+            return;
+        }
+
+        lock (stateLock)
+        {
+            if (disposed || intentionalDisconnection || Volatile.Read(ref terminalFailure) != 0)
+            {
+                return;
+            }
+        }
+
+        if (info.Type == DisconnectionType.Error)
+        {
+            // A failed connect/reconnect attempt: the retry loop below decides whether to continue.
+            StartRetryLoop(info.Exception);
+            return;
+        }
+
+        // A protocol-level close code means the server rejected this client or operation;
+        // reconnecting would retry into the same rejection (spec: fatal, never retried).
+        if (info.CloseStatus is { } closeStatus && IsFatalCloseCode((int)closeStatus))
+        {
+            // Stop the transport from reconnecting in the background after a terminal close.
+            info.CancelReconnection = true;
+            ReportFailure(new IOException(
+                $"WebSocket closed with fatal protocol code {(int)closeStatus}: {info.CloseStatusDescription}"));
+            return;
+        }
+
+        // Recoverable disconnect (Lost / NoMessageReceived / ByServer): reconnect through the
+        // bounded retry loop so a transient outage does not terminate the subscription.
+        StartRetryLoop(info.Exception);
+    }
+
+    private void StartRetryLoop(Exception cause)
+    {
+        lock (stateLock)
+        {
+            if (retryLoopRunning)
+            {
+                return;
+            }
+
+            retryLoopRunning = true;
+            acknowledged = false;
+            subscriptionSent = false;
+            initSent = false;
+        }
+
+        _ = RunRetryLoopAsync(cause);
+    }
+
+    // graphql-ws reference client behaviour: bounded retries, exponential backoff with jitter
+    // (2^n seconds + 300-3000 ms), a fatal close or an exhausted budget reports ONE terminal error.
+    private async Task RunRetryLoopAsync(Exception lastException)
+    {
+        try
+        {
+            while (true)
+            {
+                int attempt;
+                bool exhausted;
+                lock (stateLock)
+                {
+                    if (disposed || Volatile.Read(ref terminalFailure) != 0)
+                    {
+                        return;
+                    }
+
+                    attempt = retryAttemptsUsed;
+                    exhausted = attempt >= maxRetryAttempts;
+                    if (!exhausted)
+                    {
+                        retryAttemptsUsed++;
+                    }
+                }
+
+                if (exhausted)
+                {
+                    // Reported outside stateLock: subscribers may dispose synchronously from OnError,
+                    // and DisposeAsync takes stateLock. Keeps the last cause as the inner exception.
+                    ReportFailure(new IOException(
+                        $"WebSocket reconnect failed after {attempt} attempts; giving up.", lastException));
+                    return;
+                }
+
+                var delay = RetryDelay(attempt);
+                await Task.Delay(delay, cancellationSource.Token).ConfigureAwait(false);
+
+                // Re-check after the backoff: a terminal failure (e.g. the initial connect's
+                // Start() already threw) can be flagged while this loop is sleeping, and the
+                // attempt below must not run hooks for a client that already reported failure.
+                if (Volatile.Read(ref terminalFailure) != 0)
+                {
+                    return;
+                }
+
+                try
+                {
+                    // Websocket.Client keeps a failed/aborted socket as its current one: a bare StartOrFail()
+                    // after a failed attempt returns at once with State=Aborted and no connection (verified).
+                    // Stop() resets it so every attempt opens a real socket.
+                    await client.Stop(WebSocketCloseStatus.NormalClosure, string.Empty).ConfigureAwait(false);
+                    await StartTransportAsync().ConfigureAwait(false);
+                    // A fresh ack source per handshake: the previous one is already completed and would
+                    // make WaitForAckAsync return without waiting for this connection's connection_ack.
+                    subprotocol = ValidateNegotiatedSubprotocol(client.NativeClient?.SubProtocol);
+                    ackSource = CreateAckSource();
+                    SendConnectionInit();
+                    await WaitForAckAsync().ConfigureAwait(false);
+                    Volatile.Write(ref lastMessageTicks, Environment.TickCount64);
+                    return;
+                }
+                catch (OperationCanceledException) when (cancellationSource.IsCancellationRequested)
+                {
+                    return;
+                }
+                catch (Exception exception)
+                {
+                    lastException = exception;
+                }
+            }
+        }
+        catch (OperationCanceledException) when (cancellationSource.IsCancellationRequested)
+        {
+            // Disposal ends the loop without reporting.
+        }
+        finally
+        {
+            lock (stateLock)
+            {
+                retryLoopRunning = false;
+            }
+        }
+    }
+
+    private static TimeSpan BackoffDelay(int attempt)
+    {
+        // attempt 0 -> 1 s, 1 -> 2 s, 2 -> 4 s ... capped at 30 s; plus 300-3000 ms jitter.
+        var seconds = Math.Min(30, Math.Pow(2, attempt));
+        var jitterMs = Random.Shared.Next(300, 3001);
+        return TimeSpan.FromSeconds(seconds) + TimeSpan.FromMilliseconds(jitterMs);
+    }
+
+    private void SendSubscription()
+    {
+        lock (stateLock)
+        {
+            if (disposed || !initSent || !acknowledged || subscriptionSent
+                || Volatile.Read(ref terminalFailure) != 0)
+            {
+                return;
+            }
+
+            subscriptionSent = true;
+        }
+
+        SendRequest(new WebsocketRequest(GetSubscribeCommand())
+        {
+            Id = subscriptionId,
+            Payload = payload
+        });
+    }
+
+    private bool MatchesActiveSubscription(string id)
+    {
+        return !string.IsNullOrEmpty(id) && string.Equals(id, subscriptionId, StringComparison.Ordinal);
+    }
+
+    private Exception CreateServerException(JsonElement payloadElement)
+    {
+        List<GraphQueryError> errors;
+        if (payloadElement.ValueKind == JsonValueKind.Object
+            && payloadElement.TryGetProperty("errors", out var errorsElement))
+        {
+            errors = errorsElement.Deserialize<List<GraphQueryError>>(graphClient.SerializerOptions);
+        }
+        else if (payloadElement.ValueKind == JsonValueKind.Array)
+        {
+            errors = payloadElement.Deserialize<List<GraphQueryError>>(graphClient.SerializerOptions);
+        }
+        else
+        {
+            errors = new List<GraphQueryError>
+            {
+                new() { Message = payloadElement.ValueKind is JsonValueKind.Undefined or JsonValueKind.Null
+                    ? "Unknown subscription error"
+                    : payloadElement.GetRawText() }
+            };
+        }
+
+        return new GraphQueryExecutionException(errors, payload.Query, payload.Variables);
+    }
+
+    private void ReportFailure(Exception exception)
+    {
+        // Idempotent: the first failure terminates the stream; late/concurrent
+        // callbacks (message pump, reconnect, disconnect) must not re-emit after
+        // OnCompleted, and the recoverable paths must not resubscribe post-failure.
+        if (Interlocked.Exchange(ref terminalFailure, 1) != 0)
+        {
+            return;
+        }
+
+        intentionalDisconnection = true;
+
+        if (exception is GraphQueryExecutionException executionException)
+        {
+            errorSubject.OnNext(executionException);
+        }
+
+        failureSubject.OnNext(exception);
+        failureSubject.OnCompleted();
+        // Failure was already published above, so the typed pipeline keeps the error
+        // (its terminal transition is first-wins); this only releases the feed.
+        payloadSubject.OnCompleted();
+        subscriptionSubject.OnCompleted();
+        ackSource?.TrySetException(exception);
+    }
+
+    private void SendPong(JsonElement? payloadElement)
+    {
+        var response = new WebsocketRequest(WebsocketRequestTypes.PONG);
+        if (payloadElement is { } value && value.ValueKind is not (JsonValueKind.Null or JsonValueKind.Undefined))
+        {
+            // Serialize the element directly (valid while the parsed document is alive).
+            response.Payload = value;
+        }
+
+        SendRequest(response);
+    }
+
+    private string GetSubprotocolString()
+    {
+        return graphClient.SubscriptionProtocol switch
+        {
+            SubscriptionProtocol.GraphQLWebSocket => SubscriptionProtocols.GRAPGQL_TRANSPORT_WS,
+            SubscriptionProtocol.ApolloWebSocket => SubscriptionProtocols.GRAPHQL_WS,
+            _ => throw new InvalidOperationException($"{graphClient.SubscriptionProtocol} is unknown")
+        };
+    }
+
+    private string GetSubscribeCommand()
+    {
+        return graphClient.SubscriptionProtocol switch
+        {
+            SubscriptionProtocol.GraphQLWebSocket => SubscribeCommands.SUBSCRIBE,
+            SubscriptionProtocol.ApolloWebSocket => SubscribeCommands.START,
+            _ => throw new InvalidOperationException($"{graphClient.SubscriptionProtocol} is unknown")
+        };
+    }
+
+    private string GetCompleteCommand()
+    {
+        return graphClient.SubscriptionProtocol == SubscriptionProtocol.ApolloWebSocket
+            ? SubscribeCommands.STOP
+            : WebsocketRequestTypes.COMPLETE;
+    }
+
+    private void SendRequest(WebsocketRequest request)
+    {
+        var json = JsonSerializer.Serialize(request, jsonOptions);
+        if (!client.Send(json))
+        {
+            throw new IOException("WebSocket message could not be queued for sending.");
+        }
+    }
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Subscriptions/WebsocketRequest.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Subscriptions/WebsocketRequest.cs
new file mode 100644
index 00000000..643d76a3
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Subscriptions/WebsocketRequest.cs
@@ -0,0 +1,41 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Text.Json.Serialization;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime.Subscriptions;
+
+public class WebsocketRequest
+{
+    public WebsocketRequest(string type)
+    {
+        Type = type;
+    }
+
+    [JsonPropertyName("id")] public string Id { get; set; }
+
+    [JsonPropertyName("type")] public string Type { get; set; }
+
+    [JsonPropertyName("payload")] public object Payload { get; set; }
+}
+
+//public class WebsocketRequestPayload
+//{
+//    [JsonPropertyName("query")]
+//    public string Query { get; set; }
+
+//    [JsonPropertyName("variables")]
+//    public Dictionary<string, object> Variables { get; set; }
+//}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Subscriptions/WebsocketRequestTypes.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Subscriptions/WebsocketRequestTypes.cs
new file mode 100644
index 00000000..c77f5d77
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Subscriptions/WebsocketRequestTypes.cs
@@ -0,0 +1,30 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+namespace Linq2GraphQL.TestClientStandalone.Runtime.Subscriptions
+{
+    internal class WebsocketRequestTypes
+    {
+        internal const string PING = "ping";
+        internal const string PONG = "pong";
+        internal const string CONNECTION_INIT = "connection_init";
+        internal const string CONNECTION_ACK = "connection_ack";
+        internal const string ERROR = "error";
+        internal const string COMPLETE = "complete";
+        internal const string NEXT = "next";
+        internal const string DATA = "data";
+        internal const string CONNECTION_ERROR = "connection_error";
+    }
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Subscriptions/WebsocketResponse.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Subscriptions/WebsocketResponse.cs
new file mode 100644
index 00000000..871fba7a
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Runtime/Subscriptions/WebsocketResponse.cs
@@ -0,0 +1,27 @@
+//---------------------------------------------------------------------
+// <auto-generated/>
+// Copy of the Linq2GraphQL runtime, written by the Linq2GraphQL generator
+// in standalone mode. Please don't edit this file - regenerate instead.
+// The runtime version is in RuntimeInfo.cs.
+// Github:https://github.com/linq2graphql/linq2graphql.client
+//---------------------------------------------------------------------
+#nullable disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Text.Json.Serialization;
+
+namespace Linq2GraphQL.TestClientStandalone.Runtime.Subscriptions;
+
+public class WebsocketResponse
+{
+    [JsonPropertyName("id")] public string Id { get; set; }
+
+    [JsonPropertyName("type")] public string Type { get; set; }
+
+    [JsonPropertyName("payload")] public object Payload { get; set; }
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Types/Address.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Types/Address.cs
new file mode 100644
index 00000000..cae6a429
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Types/Address.cs
@@ -0,0 +1,35 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+using Linq2GraphQL.TestClientStandalone.Runtime.Common;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+
+public partial class Address : GraphQLTypeBase
+{
+    [GraphQLMember("name")]
+    [JsonPropertyName("name")]
+    public string Name { get; set; }
+
+    [GraphQLMember("street")]
+    [JsonPropertyName("street")]
+    public string Street { get; set; }
+
+    [GraphQLMember("postalCode")]
+    [JsonPropertyName("postalCode")]
+    public string PostalCode { get; set; }
+
+    [GraphQLMember("createdDate")]
+    [JsonPropertyName("createdDate")]
+    public DateOnly CreatedDate { get; set; }
+
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Types/AnimalsConnection.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Types/AnimalsConnection.cs
new file mode 100644
index 00000000..d5dc82ed
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Types/AnimalsConnection.cs
@@ -0,0 +1,55 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+using Linq2GraphQL.TestClientStandalone.Runtime.Common;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+
+/// <summary>
+/// A connection to a list of items.
+/// </summary>
+[global::System.ComponentModel.Description("A connection to a list of items.")]
+public partial class AnimalsConnection : GraphQLTypeBase, Linq2GraphQL.TestClientStandalone.Runtime.Common.ICursorPaging
+{
+    /// <summary>
+    /// Information to aid in pagination.
+    /// </summary>
+    [global::System.ComponentModel.Description("Information to aid in pagination.")]
+    [GraphQLMember("pageInfo")]
+    [JsonPropertyName("pageInfo")]
+    public Linq2GraphQL.TestClientStandalone.Runtime.Common.PageInfo PageInfo { get; set; }
+
+    /// <summary>
+    /// A list of edges.
+    /// </summary>
+    [global::System.ComponentModel.Description("A list of edges.")]
+    [GraphQLMember("edges")]
+    [JsonPropertyName("edges")]
+    public List<AnimalsEdge> Edges { get; set; }
+
+    /// <summary>
+    /// A flattened list of the nodes.
+    /// </summary>
+    [global::System.ComponentModel.Description("A flattened list of the nodes.")]
+    [GraphQLMember("nodes")]
+    [JsonPropertyName("nodes")]
+    public List<IAnimal> Nodes { get; set; }
+
+    /// <summary>
+    /// Identifies the total count of items in the connection.
+    /// </summary>
+    [global::System.ComponentModel.Description("Identifies the total count of items in the connection.")]
+    [GraphQLMember("totalCount")]
+    [JsonPropertyName("totalCount")]
+    public int TotalCount { get; set; }
+
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Types/AnimalsEdge.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Types/AnimalsEdge.cs
new file mode 100644
index 00000000..6c88c3a2
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Types/AnimalsEdge.cs
@@ -0,0 +1,39 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+using Linq2GraphQL.TestClientStandalone.Runtime.Common;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+
+/// <summary>
+/// An edge in a connection.
+/// </summary>
+[global::System.ComponentModel.Description("An edge in a connection.")]
+public partial class AnimalsEdge : GraphQLTypeBase
+{
+    /// <summary>
+    /// A cursor for use in pagination.
+    /// </summary>
+    [global::System.ComponentModel.Description("A cursor for use in pagination.")]
+    [GraphQLMember("cursor")]
+    [JsonPropertyName("cursor")]
+    public string Cursor { get; set; }
+
+    /// <summary>
+    /// The item at the end of the edge.
+    /// </summary>
+    [global::System.ComponentModel.Description("The item at the end of the edge.")]
+    [GraphQLMember("node")]
+    [JsonPropertyName("node")]
+    public IAnimal Node { get; set; }
+
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Types/Customer.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Types/Customer.cs
new file mode 100644
index 00000000..c4e0f651
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Types/Customer.cs
@@ -0,0 +1,71 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+using Linq2GraphQL.TestClientStandalone.Runtime.Common;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+
+public static class CustomerExtensions
+{
+    [GraphQLMember("relatedCustomers")]
+    public static List<Customer> RelatedCustomers(this Customer  customer, [GraphQLArgument("relationType", "Int!")] int relationType)
+    {
+        return customer.GetMethodValue<List<Customer>>("relatedCustomers", relationType);
+    }
+
+    [GraphQLMember("relatedCustomer")]
+    public static Customer RelatedCustomer(this Customer  customer, [GraphQLArgument("relationType", "Int!")] int relationType)
+    {
+        return customer.GetMethodValue<Customer>("relatedCustomer", relationType);
+    }
+
+}
+
+public partial class Customer : GraphQLTypeBase
+{
+    [GraphQLMember("customerId")]
+    [JsonPropertyName("customerId")]
+    public Guid CustomerId { get; set; }
+
+    [GraphQLMember("customerName")]
+    [JsonPropertyName("customerName")]
+    public string CustomerName { get; set; }
+
+    [GraphQLMember("status")]
+    [JsonPropertyName("status")]
+    public CustomerStatus Status { get; set; }
+
+    [GraphQLMember("orders")]
+    [JsonPropertyName("orders")]
+    public List<Order> Orders { get; set; }
+
+    [GraphQLMember("address")]
+    [JsonPropertyName("address")]
+    public Address Address { get; set; }
+
+    [GraphQLMember("created")]
+    [JsonPropertyName("created")]
+    public DateTimeOffset? Created { get; set; }
+
+    private LazyProperty<List<Customer>> _relatedCustomers = new();
+    /// <summary>
+    /// Do not use in Query, only to retrive result
+    /// </summary>
+    public List<Customer> RelatedCustomers => _relatedCustomers.Value(() => GetFirstMethodValue<List<Customer>>("relatedCustomers"));
+
+    private LazyProperty<Customer> _relatedCustomer = new();
+    /// <summary>
+    /// Do not use in Query, only to retrive result
+    /// </summary>
+    public Customer RelatedCustomer => _relatedCustomer.Value(() => GetFirstMethodValue<Customer>("relatedCustomer"));
+
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Types/Item.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Types/Item.cs
new file mode 100644
index 00000000..941a6f1d
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Types/Item.cs
@@ -0,0 +1,31 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+using Linq2GraphQL.TestClientStandalone.Runtime.Common;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+
+public partial class Item : GraphQLTypeBase
+{
+    [GraphQLMember("itemId")]
+    [JsonPropertyName("itemId")]
+    public string ItemId { get; set; }
+
+    [GraphQLMember("itemName")]
+    [JsonPropertyName("itemName")]
+    public string ItemName { get; set; }
+
+    [GraphQLMember("data")]
+    [JsonPropertyName("data")]
+    public List<byte> Data { get; set; }
+
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Types/Order.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Types/Order.cs
new file mode 100644
index 00000000..55f16cd4
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Types/Order.cs
@@ -0,0 +1,98 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+using Linq2GraphQL.TestClientStandalone.Runtime.Common;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+
+public static class OrderExtensions
+{
+    [GraphQLMember("myGradeMethod")]
+    [Obsolete("This method should not be used anymore")]
+    public static string MyGradeMethod(this Order  order, [GraphQLArgument("name", "String!")] string name)
+    {
+        return order.GetMethodValue<string>("myGradeMethod", name);
+    }
+
+    [GraphQLMember("orderHello")]
+    public static string OrderHello(this Order  order, [GraphQLArgument("name", "String!")] string name, [GraphQLArgument("first", "Int!")] int first)
+    {
+        return order.GetMethodValue<string>("orderHello", name, first);
+    }
+
+    [GraphQLMember("orderAddress")]
+    public static Address OrderAddress(this Order  order, [GraphQLArgument("addressType", "AddressType!")] AddressType addressType)
+    {
+        return order.GetMethodValue<Address>("orderAddress", addressType);
+    }
+
+}
+
+public partial class Order : GraphQLTypeBase
+{
+    private LazyProperty<string> _myGradeMethod = new();
+    /// <summary>
+    /// Do not use in Query, only to retrive result
+    /// </summary>
+    [Obsolete("This method should not be used anymore")]
+    public string MyGradeMethod => _myGradeMethod.Value(() => GetFirstMethodValue<string>("myGradeMethod"));
+
+    private LazyProperty<string> _orderHello = new();
+    /// <summary>
+    /// Do not use in Query, only to retrive result
+    /// </summary>
+    public string OrderHello => _orderHello.Value(() => GetFirstMethodValue<string>("orderHello"));
+
+    private LazyProperty<Address> _orderAddress = new();
+    /// <summary>
+    /// Do not use in Query, only to retrive result
+    /// </summary>
+    public Address OrderAddress => _orderAddress.Value(() => GetFirstMethodValue<Address>("orderAddress"));
+
+    [GraphQLMember("orderId")]
+    [JsonPropertyName("orderId")]
+    public Guid OrderId { get; set; }
+
+    [GraphQLMember("customer")]
+    [JsonPropertyName("customer")]
+    public Customer Customer { get; set; }
+
+    [GraphQLMember("address")]
+    [JsonPropertyName("address")]
+    public Address Address { get; set; }
+
+    [GraphQLMember("orderDate")]
+    [JsonPropertyName("orderDate")]
+    public DateTimeOffset OrderDate { get; set; }
+
+    [GraphQLMember("orderDateTime")]
+    [JsonPropertyName("orderDateTime")]
+    public DateTimeOffset OrderDateTime { get; set; }
+
+    [GraphQLMember("orderDay")]
+    [JsonPropertyName("orderDay")]
+    public DateOnly OrderDay { get; set; }
+
+    [GraphQLMember("lines")]
+    [JsonPropertyName("lines")]
+    public List<OrderLine> Lines { get; set; }
+
+    [GraphQLMember("entryTime")]
+    [JsonPropertyName("entryTime")]
+    public TimeOnly? EntryTime { get; set; }
+
+    [Obsolete("This propery is obsolete and should not be used!")]
+    [GraphQLMember("grade")]
+    [JsonPropertyName("grade")]
+    public string Grade { get; set; }
+
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Types/OrderLine.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Types/OrderLine.cs
new file mode 100644
index 00000000..99c4992e
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Types/OrderLine.cs
@@ -0,0 +1,39 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+using Linq2GraphQL.TestClientStandalone.Runtime.Common;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+
+public partial class OrderLine : GraphQLTypeBase
+{
+    [GraphQLMember("lineNumber")]
+    [JsonPropertyName("lineNumber")]
+    public int LineNumber { get; set; }
+
+    [GraphQLMember("order")]
+    [JsonPropertyName("order")]
+    public Order Order { get; set; }
+
+    [GraphQLMember("item")]
+    [JsonPropertyName("item")]
+    public Item Item { get; set; }
+
+    [GraphQLMember("price")]
+    [JsonPropertyName("price")]
+    public decimal Price { get; set; }
+
+    [GraphQLMember("quantity")]
+    [JsonPropertyName("quantity")]
+    public double Quantity { get; set; }
+
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Types/OrdersConnection.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Types/OrdersConnection.cs
new file mode 100644
index 00000000..914fa116
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Types/OrdersConnection.cs
@@ -0,0 +1,55 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+using Linq2GraphQL.TestClientStandalone.Runtime.Common;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+
+/// <summary>
+/// A connection to a list of items.
+/// </summary>
+[global::System.ComponentModel.Description("A connection to a list of items.")]
+public partial class OrdersConnection : GraphQLTypeBase, Linq2GraphQL.TestClientStandalone.Runtime.Common.ICursorPaging
+{
+    /// <summary>
+    /// Information to aid in pagination.
+    /// </summary>
+    [global::System.ComponentModel.Description("Information to aid in pagination.")]
+    [GraphQLMember("pageInfo")]
+    [JsonPropertyName("pageInfo")]
+    public Linq2GraphQL.TestClientStandalone.Runtime.Common.PageInfo PageInfo { get; set; }
+
+    /// <summary>
+    /// A list of edges.
+    /// </summary>
+    [global::System.ComponentModel.Description("A list of edges.")]
+    [GraphQLMember("edges")]
+    [JsonPropertyName("edges")]
+    public List<OrdersEdge> Edges { get; set; }
+
+    /// <summary>
+    /// A flattened list of the nodes.
+    /// </summary>
+    [global::System.ComponentModel.Description("A flattened list of the nodes.")]
+    [GraphQLMember("nodes")]
+    [JsonPropertyName("nodes")]
+    public List<Order> Nodes { get; set; }
+
+    /// <summary>
+    /// Identifies the total count of items in the connection.
+    /// </summary>
+    [global::System.ComponentModel.Description("Identifies the total count of items in the connection.")]
+    [GraphQLMember("totalCount")]
+    [JsonPropertyName("totalCount")]
+    public int TotalCount { get; set; }
+
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Types/OrdersEdge.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Types/OrdersEdge.cs
new file mode 100644
index 00000000..38276cfb
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Types/OrdersEdge.cs
@@ -0,0 +1,39 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+using Linq2GraphQL.TestClientStandalone.Runtime.Common;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+
+/// <summary>
+/// An edge in a connection.
+/// </summary>
+[global::System.ComponentModel.Description("An edge in a connection.")]
+public partial class OrdersEdge : GraphQLTypeBase
+{
+    /// <summary>
+    /// A cursor for use in pagination.
+    /// </summary>
+    [global::System.ComponentModel.Description("A cursor for use in pagination.")]
+    [GraphQLMember("cursor")]
+    [JsonPropertyName("cursor")]
+    public string Cursor { get; set; }
+
+    /// <summary>
+    /// The item at the end of the edge.
+    /// </summary>
+    [global::System.ComponentModel.Description("The item at the end of the edge.")]
+    [GraphQLMember("node")]
+    [JsonPropertyName("node")]
+    public Order Node { get; set; }
+
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Types/OrdersNoBackwardPaginationConnection.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Types/OrdersNoBackwardPaginationConnection.cs
new file mode 100644
index 00000000..d39b9ab4
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Types/OrdersNoBackwardPaginationConnection.cs
@@ -0,0 +1,55 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+using Linq2GraphQL.TestClientStandalone.Runtime.Common;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+
+/// <summary>
+/// A connection to a list of items.
+/// </summary>
+[global::System.ComponentModel.Description("A connection to a list of items.")]
+public partial class OrdersNoBackwardPaginationConnection : GraphQLTypeBase, Linq2GraphQL.TestClientStandalone.Runtime.Common.ICursorPaging
+{
+    /// <summary>
+    /// Information to aid in pagination.
+    /// </summary>
+    [global::System.ComponentModel.Description("Information to aid in pagination.")]
+    [GraphQLMember("pageInfo")]
+    [JsonPropertyName("pageInfo")]
+    public Linq2GraphQL.TestClientStandalone.Runtime.Common.PageInfo PageInfo { get; set; }
+
+    /// <summary>
+    /// A list of edges.
+    /// </summary>
+    [global::System.ComponentModel.Description("A list of edges.")]
+    [GraphQLMember("edges")]
+    [JsonPropertyName("edges")]
+    public List<OrdersNoBackwardPaginationEdge> Edges { get; set; }
+
+    /// <summary>
+    /// A flattened list of the nodes.
+    /// </summary>
+    [global::System.ComponentModel.Description("A flattened list of the nodes.")]
+    [GraphQLMember("nodes")]
+    [JsonPropertyName("nodes")]
+    public List<Order> Nodes { get; set; }
+
+    /// <summary>
+    /// Identifies the total count of items in the connection.
+    /// </summary>
+    [global::System.ComponentModel.Description("Identifies the total count of items in the connection.")]
+    [GraphQLMember("totalCount")]
+    [JsonPropertyName("totalCount")]
+    public int TotalCount { get; set; }
+
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Types/OrdersNoBackwardPaginationEdge.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Types/OrdersNoBackwardPaginationEdge.cs
new file mode 100644
index 00000000..2ba50b75
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Types/OrdersNoBackwardPaginationEdge.cs
@@ -0,0 +1,39 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+using Linq2GraphQL.TestClientStandalone.Runtime.Common;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+
+/// <summary>
+/// An edge in a connection.
+/// </summary>
+[global::System.ComponentModel.Description("An edge in a connection.")]
+public partial class OrdersNoBackwardPaginationEdge : GraphQLTypeBase
+{
+    /// <summary>
+    /// A cursor for use in pagination.
+    /// </summary>
+    [global::System.ComponentModel.Description("A cursor for use in pagination.")]
+    [GraphQLMember("cursor")]
+    [JsonPropertyName("cursor")]
+    public string Cursor { get; set; }
+
+    /// <summary>
+    /// The item at the end of the edge.
+    /// </summary>
+    [global::System.ComponentModel.Description("The item at the end of the edge.")]
+    [GraphQLMember("node")]
+    [JsonPropertyName("node")]
+    public Order Node { get; set; }
+
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Types/OrdersNoTotalCountConnection.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Types/OrdersNoTotalCountConnection.cs
new file mode 100644
index 00000000..d98a1bac
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Types/OrdersNoTotalCountConnection.cs
@@ -0,0 +1,47 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+using Linq2GraphQL.TestClientStandalone.Runtime.Common;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+
+/// <summary>
+/// A connection to a list of items.
+/// </summary>
+[global::System.ComponentModel.Description("A connection to a list of items.")]
+public partial class OrdersNoTotalCountConnection : GraphQLTypeBase, Linq2GraphQL.TestClientStandalone.Runtime.Common.ICursorPaging
+{
+    /// <summary>
+    /// Information to aid in pagination.
+    /// </summary>
+    [global::System.ComponentModel.Description("Information to aid in pagination.")]
+    [GraphQLMember("pageInfo")]
+    [JsonPropertyName("pageInfo")]
+    public Linq2GraphQL.TestClientStandalone.Runtime.Common.PageInfo PageInfo { get; set; }
+
+    /// <summary>
+    /// A list of edges.
+    /// </summary>
+    [global::System.ComponentModel.Description("A list of edges.")]
+    [GraphQLMember("edges")]
+    [JsonPropertyName("edges")]
+    public List<OrdersNoTotalCountEdge> Edges { get; set; }
+
+    /// <summary>
+    /// A flattened list of the nodes.
+    /// </summary>
+    [global::System.ComponentModel.Description("A flattened list of the nodes.")]
+    [GraphQLMember("nodes")]
+    [JsonPropertyName("nodes")]
+    public List<Order> Nodes { get; set; }
+
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Types/OrdersNoTotalCountEdge.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Types/OrdersNoTotalCountEdge.cs
new file mode 100644
index 00000000..80a88f92
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Types/OrdersNoTotalCountEdge.cs
@@ -0,0 +1,39 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+using Linq2GraphQL.TestClientStandalone.Runtime.Common;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+
+/// <summary>
+/// An edge in a connection.
+/// </summary>
+[global::System.ComponentModel.Description("An edge in a connection.")]
+public partial class OrdersNoTotalCountEdge : GraphQLTypeBase
+{
+    /// <summary>
+    /// A cursor for use in pagination.
+    /// </summary>
+    [global::System.ComponentModel.Description("A cursor for use in pagination.")]
+    [GraphQLMember("cursor")]
+    [JsonPropertyName("cursor")]
+    public string Cursor { get; set; }
+
+    /// <summary>
+    /// The item at the end of the edge.
+    /// </summary>
+    [global::System.ComponentModel.Description("The item at the end of the edge.")]
+    [GraphQLMember("node")]
+    [JsonPropertyName("node")]
+    public Order Node { get; set; }
+
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Types/OrdersOffsetPagingConnection.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Types/OrdersOffsetPagingConnection.cs
new file mode 100644
index 00000000..527b710b
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Types/OrdersOffsetPagingConnection.cs
@@ -0,0 +1,47 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+using Linq2GraphQL.TestClientStandalone.Runtime.Common;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+
+/// <summary>
+/// A connection to a list of items.
+/// </summary>
+[global::System.ComponentModel.Description("A connection to a list of items.")]
+public partial class OrdersOffsetPagingConnection : GraphQLTypeBase, Linq2GraphQL.TestClientStandalone.Runtime.Common.ICursorPaging
+{
+    /// <summary>
+    /// Information to aid in pagination.
+    /// </summary>
+    [global::System.ComponentModel.Description("Information to aid in pagination.")]
+    [GraphQLMember("pageInfo")]
+    [JsonPropertyName("pageInfo")]
+    public Linq2GraphQL.TestClientStandalone.Runtime.Common.PageInfo PageInfo { get; set; }
+
+    /// <summary>
+    /// A list of edges.
+    /// </summary>
+    [global::System.ComponentModel.Description("A list of edges.")]
+    [GraphQLMember("edges")]
+    [JsonPropertyName("edges")]
+    public List<OrdersOffsetPagingEdge> Edges { get; set; }
+
+    /// <summary>
+    /// A flattened list of the nodes.
+    /// </summary>
+    [global::System.ComponentModel.Description("A flattened list of the nodes.")]
+    [GraphQLMember("nodes")]
+    [JsonPropertyName("nodes")]
+    public List<Order> Nodes { get; set; }
+
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Types/OrdersOffsetPagingEdge.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Types/OrdersOffsetPagingEdge.cs
new file mode 100644
index 00000000..b20d5795
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Types/OrdersOffsetPagingEdge.cs
@@ -0,0 +1,39 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+using Linq2GraphQL.TestClientStandalone.Runtime.Common;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+
+/// <summary>
+/// An edge in a connection.
+/// </summary>
+[global::System.ComponentModel.Description("An edge in a connection.")]
+public partial class OrdersOffsetPagingEdge : GraphQLTypeBase
+{
+    /// <summary>
+    /// A cursor for use in pagination.
+    /// </summary>
+    [global::System.ComponentModel.Description("A cursor for use in pagination.")]
+    [GraphQLMember("cursor")]
+    [JsonPropertyName("cursor")]
+    public string Cursor { get; set; }
+
+    /// <summary>
+    /// The item at the end of the edge.
+    /// </summary>
+    [global::System.ComponentModel.Description("The item at the end of the edge.")]
+    [GraphQLMember("node")]
+    [JsonPropertyName("node")]
+    public Order Node { get; set; }
+
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Types/Pig.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Types/Pig.cs
new file mode 100644
index 00000000..8b6f29a7
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Types/Pig.cs
@@ -0,0 +1,38 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+using Linq2GraphQL.TestClientStandalone.Runtime.Common;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+
+public partial class Pig : GraphQLTypeBase, IAnimal
+{
+    [GraphQLMember("spices")]
+    [JsonPropertyName("spices")]
+    public string Spices { get; set; }
+
+    [GraphQLMember("name")]
+    [JsonPropertyName("name")]
+    public string Name { get; set; }
+
+    [GraphQLMember("numberOfLegs")]
+    [JsonPropertyName("numberOfLegs")]
+    public int NumberOfLegs { get; set; }
+
+    [GraphQLMember("speed")]
+    [JsonPropertyName("speed")]
+    public int Speed { get; set; }
+
+    [GraphQLMember("__typename")]
+    [JsonPropertyName("__typename")]
+    public string __TypeName { get; set; }
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Generated/Types/Spider.cs b/test/Linq2GraphQL.TestClientStandalone/Generated/Types/Spider.cs
new file mode 100644
index 00000000..9a08069c
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Generated/Types/Spider.cs
@@ -0,0 +1,38 @@
+//---------------------------------------------------------------------
+// This code was automatically generated by Linq2GraphQL
+// Please don't edit this file
+// Github:https://github.com/linq2graphql/linq2graphql.client
+// Url: https://linq2graphql.com
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Linq2GraphQL.TestClientStandalone.Runtime;
+using Linq2GraphQL.TestClientStandalone.Runtime.Common;
+
+namespace Linq2GraphQL.TestClientStandalone;
+
+
+public partial class Spider : GraphQLTypeBase, IAnimal
+{
+    [GraphQLMember("poisonous")]
+    [JsonPropertyName("poisonous")]
+    public bool Poisonous { get; set; }
+
+    [GraphQLMember("name")]
+    [JsonPropertyName("name")]
+    public string Name { get; set; }
+
+    [GraphQLMember("numberOfLegs")]
+    [JsonPropertyName("numberOfLegs")]
+    public int NumberOfLegs { get; set; }
+
+    [GraphQLMember("speed")]
+    [JsonPropertyName("speed")]
+    public int Speed { get; set; }
+
+    [GraphQLMember("__typename")]
+    [JsonPropertyName("__typename")]
+    public string __TypeName { get; set; }
+}
diff --git a/test/Linq2GraphQL.TestClientStandalone/Linq2GraphQL.TestClientStandalone.csproj b/test/Linq2GraphQL.TestClientStandalone/Linq2GraphQL.TestClientStandalone.csproj
new file mode 100644
index 00000000..2b040d30
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/Linq2GraphQL.TestClientStandalone.csproj
@@ -0,0 +1,28 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <!--
+      SampleClient generated with standalone mode (scripts/regenerate-test-clients.ps1): it carries its
+      own copy of the runtime under Linq2GraphQL.TestClientStandalone.Runtime, so there is deliberately
+      no reference to Linq2GraphQL.Client, Linq2GraphQL.Client.Subscriptions or Linq2GraphQL.Client.AI
+      (it is generated in agent mode, so the copy includes the agent tools).
+    -->
+    <PropertyGroup>
+        <TargetFramework>net10.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>disable</Nullable>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <PackageReference Include="GraphQL-Parser"/>
+        <PackageReference Include="Microsoft.Extensions.AI.Abstractions"/>
+        <PackageReference Include="Microsoft.Extensions.Caching.Memory"/>
+        <PackageReference Include="Microsoft.Extensions.Http"/>
+        <PackageReference Include="Websocket.Client"/>
+    </ItemGroup>
+
+    <ItemGroup>
+        <!-- The suite covers runtime internals too. -->
+        <InternalsVisibleTo Include="Linq2GraphQL.Tests.Standalone"/>
+    </ItemGroup>
+
+</Project>
diff --git a/test/Linq2GraphQL.TestClientStandalone/packages.lock.json b/test/Linq2GraphQL.TestClientStandalone/packages.lock.json
new file mode 100644
index 00000000..f4321b9e
--- /dev/null
+++ b/test/Linq2GraphQL.TestClientStandalone/packages.lock.json
@@ -0,0 +1,186 @@
+{
+  "version": 2,
+  "dependencies": {
+    "net10.0": {
+      "GraphQL-Parser": {
+        "type": "Direct",
+        "requested": "[9.5.1, )",
+        "resolved": "9.5.1",
+        "contentHash": "pUYpupTsVyNcKemko8f0iknJa2z/oZsfzwb4crgEFN9/pKf3k35gxVXDDOkD3NVPF1ea6GUV0jgxkjCozFj7Fg=="
+      },
+      "Microsoft.Extensions.AI.Abstractions": {
+        "type": "Direct",
+        "requested": "[10.10.0, )",
+        "resolved": "10.10.0",
+        "contentHash": "frBHj2ckpevA+KdDLikxv8oxGPrJiyTvaiblYp+vtVEt0q6J73XP5m2SICm86nFK6rl+L1GCKxIy4S5Lb3p2kQ=="
+      },
+      "Microsoft.Extensions.Caching.Memory": {
+        "type": "Direct",
+        "requested": "[10.0.11, )",
+        "resolved": "10.0.11",
+        "contentHash": "el1g0mBEbDBGY2bT9mcSfrTWO8QlPdq2nOCnvQugioOFwHV+bVBMeiakoI0dNOdj8d6Hi9K6HY2xzRUWJiDR3w==",
+        "dependencies": {
+          "Microsoft.Extensions.Caching.Abstractions": "10.0.11",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "10.0.11",
+          "Microsoft.Extensions.Logging.Abstractions": "10.0.11",
+          "Microsoft.Extensions.Options": "10.0.11",
+          "Microsoft.Extensions.Primitives": "10.0.11"
+        }
+      },
+      "Microsoft.Extensions.Http": {
+        "type": "Direct",
+        "requested": "[10.0.11, )",
+        "resolved": "10.0.11",
+        "contentHash": "ujx8RvcKzkxPFBguwgiygbwWVHVK0P7HFlNJ6I0JBRb28tzwe42jixBoA+dGmqG9IHepPVcm04vv2IDnU93ekA==",
+        "dependencies": {
+          "Microsoft.Extensions.Configuration.Abstractions": "10.0.11",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "10.0.11",
+          "Microsoft.Extensions.Diagnostics": "10.0.11",
+          "Microsoft.Extensions.Logging": "10.0.11",
+          "Microsoft.Extensions.Logging.Abstractions": "10.0.11",
+          "Microsoft.Extensions.Options": "10.0.11"
+        }
+      },
+      "Nerdbank.GitVersioning": {
+        "type": "Direct",
+        "requested": "[3.8.118, )",
+        "resolved": "3.8.118",
+        "contentHash": "cRaG+ICcECG+CzbtQyUV2WftH7yl2B02AjYGGNScXx8TwYavZYwhCewBTiC0qTcsac7m6AzBUYna5xzBWmTGYw=="
+      },
+      "Websocket.Client": {
+        "type": "Direct",
+        "requested": "[5.3.0, )",
+        "resolved": "5.3.0",
+        "contentHash": "uhdDM+gruCEhHRCKCoyali1HJp0wSS/HBs5X9XZwULNKM2y5ML188TsvcEgWEFOx0NOaHfGNtfoC0cd1p2NOIg==",
+        "dependencies": {
+          "Microsoft.Extensions.Logging.Abstractions": "8.0.0",
+          "Microsoft.IO.RecyclableMemoryStream": "3.0.0",
+          "System.Reactive": "6.0.0"
+        }
+      },
+      "Microsoft.Extensions.Caching.Abstractions": {
+        "type": "Transitive",
+        "resolved": "10.0.11",
+        "contentHash": "vUl798SmruTqqlt/xH2gDk3tJlhk6k3HdOXAHirlRfbNKDym4g/kRpUL9S4sl6F6FsOTOMW+ZsDapqlZMOOiEw==",
+        "dependencies": {
+          "Microsoft.Extensions.Primitives": "10.0.11"
+        }
+      },
+      "Microsoft.Extensions.Configuration.Abstractions": {
+        "type": "Transitive",
+        "resolved": "10.0.11",
+        "contentHash": "fVi053xdpda9Em7vSkmgVxO/PtgC2m78ekReKWsgcyskqY0U82Bz/MONwxpGzI0hElYKJfw+fupqMVeKW3fSaA==",
+        "dependencies": {
+          "Microsoft.Extensions.Primitives": "10.0.11"
+        }
+      },
+      "Microsoft.Extensions.Configuration.Binder": {
+        "type": "Transitive",
+        "resolved": "10.0.11",
+        "contentHash": "rFn8RuszZn3qquPVkDytMUlPc2+rXl9MCoygwc1XmAgC5vg5/oXJ8hkOosOrLoBLsqdTy4lFwP6iQdPS9uSYOA==",
+        "dependencies": {
+          "Microsoft.Extensions.Configuration": "10.0.11",
+          "Microsoft.Extensions.Configuration.Abstractions": "10.0.11"
+        }
+      },
+      "Microsoft.Extensions.DependencyInjection.Abstractions": {
+        "type": "Transitive",
+        "resolved": "10.0.11",
+        "contentHash": "/a1aJz4m7ylhEDf25ugQChLQoN5XwoGjWw/BoR/ZWWKsO1v4DdJElS1uyngahz4B/eOzjFk1KNTkarRLE5wsIg=="
+      },
+      "Microsoft.Extensions.Diagnostics": {
+        "type": "Transitive",
+        "resolved": "10.0.11",
+        "contentHash": "HT70uGPxMLqqnOzKMcnQtDmeV4r0KHr4qVCLhP7SXil9jMEm8sQXwcybxVVFGXZJ1V44xV0mLqQ54aZbcR2OiQ==",
+        "dependencies": {
+          "Microsoft.Extensions.Configuration": "10.0.11",
+          "Microsoft.Extensions.Diagnostics.Abstractions": "10.0.11",
+          "Microsoft.Extensions.Options.ConfigurationExtensions": "10.0.11"
+        }
+      },
+      "Microsoft.Extensions.Diagnostics.Abstractions": {
+        "type": "Transitive",
+        "resolved": "10.0.11",
+        "contentHash": "se7Kx8QpJEt+nf26L4qIVAofGTDr1wbexxsh/Fm3Xc04xUkqUXK06KUS7FLwSQYSjqb7q9n+T7MEcXYBhI1Y5g==",
+        "dependencies": {
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "10.0.11",
+          "Microsoft.Extensions.Options": "10.0.11"
+        }
+      },
+      "Microsoft.Extensions.Logging.Abstractions": {
+        "type": "Transitive",
+        "resolved": "10.0.11",
+        "contentHash": "Ljd0Uxoq5XpScD2Bg0nM/r3mwx7Ao5Uq24eo2ARxbGvqJ7Zht6rt2cJtwVRH4Cv+1ZVMdXz6TB43KbpmsxRrvQ==",
+        "dependencies": {
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "10.0.11"
+        }
+      },
+      "Microsoft.Extensions.Options": {
+        "type": "Transitive",
+        "resolved": "10.0.11",
+        "contentHash": "eY1GAKcTfD2maP27J84X9IovT3yjHJ2dVDzPmDg6/XqYvt3jMzJhtfQCLjG9pVsZGAd+8DQ2QrjaDcs2+VQLGw==",
+        "dependencies": {
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "10.0.11",
+          "Microsoft.Extensions.Primitives": "10.0.11"
+        }
+      },
+      "Microsoft.Extensions.Options.ConfigurationExtensions": {
+        "type": "Transitive",
+        "resolved": "10.0.11",
+        "contentHash": "syEhXQ/sEaSBFaqzlp9gDGHX/nk6gkQkh1sIUpBO1mlBj3Phu1rmb4ML1uCiyPW9N6Kxfxv3y5FGObC+bV01Qw==",
+        "dependencies": {
+          "Microsoft.Extensions.Configuration.Abstractions": "10.0.11",
+          "Microsoft.Extensions.Configuration.Binder": "10.0.11",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "10.0.11",
+          "Microsoft.Extensions.Options": "10.0.11",
+          "Microsoft.Extensions.Primitives": "10.0.11"
+        }
+      },
+      "Microsoft.Extensions.Primitives": {
+        "type": "Transitive",
+        "resolved": "10.0.11",
+        "contentHash": "SXcz+kF+4Oo9b1+55zntpJFYfwb1jw66ioxptyNOOTDc8g2FHnBFWjZpsWfCvZIhzr0x+4e2trVTs4OKwQfBtw=="
+      },
+      "Microsoft.IO.RecyclableMemoryStream": {
+        "type": "Transitive",
+        "resolved": "3.0.0",
+        "contentHash": "irv0HuqoH8Ig5i2fO+8dmDNdFdsrO+DoQcedwIlb810qpZHBNQHZLW7C/AHBQDgLLpw2T96vmMAy/aE4Yj55Sg=="
+      },
+      "System.Reactive": {
+        "type": "Transitive",
+        "resolved": "6.0.0",
+        "contentHash": "31kfaW4ZupZzPsI5PVe77VhnvFF55qgma7KZr/E0iFTs6fmdhhG8j0mgEx620iLTey1EynOkEfnyTjtNEpJzGw=="
+      },
+      "Microsoft.Extensions.Configuration": {
+        "type": "CentralTransitive",
+        "requested": "[10.0.11, )",
+        "resolved": "10.0.11",
+        "contentHash": "wlhRqZW8LcJPa+vk2oLAc/REXDItHtkFQdf/QcXYGZbZOO13izcsKY1pCvuFQYwUiZD+hwSZwsKASjqT+BNaVg==",
+        "dependencies": {
+          "Microsoft.Extensions.Configuration.Abstractions": "10.0.11",
+          "Microsoft.Extensions.Primitives": "10.0.11"
+        }
+      },
+      "Microsoft.Extensions.DependencyInjection": {
+        "type": "CentralTransitive",
+        "requested": "[10.0.11, )",
+        "resolved": "10.0.11",
+        "contentHash": "PSmotV19c7E3lKed++uYo1kSiXFI+uTl37CBSrhq+CfLC3FCHjG7R91+xPnNehQfHS1b0Tzo/CCLPWH3qaEheg==",
+        "dependencies": {
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "10.0.11"
+        }
+      },
+      "Microsoft.Extensions.Logging": {
+        "type": "CentralTransitive",
+        "requested": "[10.0.11, )",
+        "resolved": "10.0.11",
+        "contentHash": "nUOJwgFkSiLHiVGFpU22pIJtuWYewuSYQ3JVuP/gdK8ASMT807Px+TYQiRWs6uSsOmoyFTaVCwKXTasczV6BpA==",
+        "dependencies": {
+          "Microsoft.Extensions.DependencyInjection": "10.0.11",
+          "Microsoft.Extensions.Logging.Abstractions": "10.0.11",
+          "Microsoft.Extensions.Options": "10.0.11"
+        }
+      }
+    }
+  }
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.Tests.Standalone/Linq2GraphQL.Tests.Standalone.csproj b/test/Linq2GraphQL.Tests.Standalone/Linq2GraphQL.Tests.Standalone.csproj
new file mode 100644
index 00000000..15967aa7
--- /dev/null
+++ b/test/Linq2GraphQL.Tests.Standalone/Linq2GraphQL.Tests.Standalone.csproj
@@ -0,0 +1,57 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <!--
+      The Linq2GraphQL.Tests suite, compiled a second time against the standalone SampleClient
+      (Linq2GraphQL.TestClientStandalone), which carries its own copy of the runtime. Nothing here
+      references the runtime packages, so a passing run proves the copy works on its own.
+      StandaloneNamespaces.cs points the namespaces the tests import at the copy.
+    -->
+    <PropertyGroup>
+        <TargetFramework>net10.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+
+        <IsPackable>false</IsPackable>
+        <IsTestProject>true</IsTestProject>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing"/>
+        <PackageReference Include="Microsoft.Extensions.AI"/>
+        <PackageReference Include="Microsoft.Extensions.TimeProvider.Testing"/>
+        <PackageReference Include="Microsoft.NET.Test.Sdk"/>
+        <PackageReference Include="Moq"/>
+        <PackageReference Include="Shouldly"/>
+        <PackageReference Include="xunit"/>
+        <PackageReference Include="xunit.runner.visualstudio">
+            <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+            <PrivateAssets>all</PrivateAssets>
+        </PackageReference>
+    </ItemGroup>
+
+    <ItemGroup>
+        <ProjectReference Include="..\Linq2GraphQL.TestClientStandalone\Linq2GraphQL.TestClientStandalone.csproj"/>
+        <ProjectReference Include="..\Linq2GraphQL.TestServer\Linq2GraphQL.TestServer.csproj"/>
+    </ItemGroup>
+
+    <!--
+      Left out: tests of the generator and the nullable client, which need those projects, and
+      CoexistenceTests, which needs the package-based client next to the standalone one. The AI package
+      tests run against the agent tools in the copy.
+    -->
+    <ItemGroup>
+        <Compile Include="..\Linq2GraphQL.Tests\**\*.cs"
+                 Exclude="..\Linq2GraphQL.Tests\bin\**;..\Linq2GraphQL.Tests\obj\**;
+                          ..\Linq2GraphQL.Tests\CoexistenceTests.cs;
+                          ..\Linq2GraphQL.Tests\DescriptionAttributeTests.cs;
+                          ..\Linq2GraphQL.Tests\GeneratorCollection.cs;
+                          ..\Linq2GraphQL.Tests\QueryNullableTests.cs;
+                          ..\Linq2GraphQL.Tests\SampleClientNullableFixture.cs;
+                          ..\Linq2GraphQL.Tests\ScalarMappingTests.cs;
+                          ..\Linq2GraphQL.Tests\ScalarTests.cs;
+                          ..\Linq2GraphQL.Tests\Sdl*Tests.cs;
+                          ..\Linq2GraphQL.Tests\StandaloneGeneratorTests.cs"
+                 Link="Tests\%(RecursiveDir)%(Filename)%(Extension)"/>
+    </ItemGroup>
+
+</Project>
diff --git a/test/Linq2GraphQL.Tests.Standalone/StandaloneNamespaces.cs b/test/Linq2GraphQL.Tests.Standalone/StandaloneNamespaces.cs
new file mode 100644
index 00000000..25265a60
--- /dev/null
+++ b/test/Linq2GraphQL.Tests.Standalone/StandaloneNamespaces.cs
@@ -0,0 +1,35 @@
+// The shared test files import the package namespaces. Nothing here references those packages, so the
+// namespaces are declared empty to keep the imports valid, and the standalone copy is imported instead.
+global using Linq2GraphQL.TestClientStandalone;
+global using Linq2GraphQL.TestClientStandalone.Runtime;
+global using Linq2GraphQL.TestClientStandalone.Runtime.Common;
+global using Linq2GraphQL.TestClientStandalone.Runtime.Subscriptions;
+global using Linq2GraphQL.TestClientStandalone.Runtime.AI;
+global using Linq2GraphQL.TestClientStandalone.Runtime.AI.Schema;
+global using Linq2GraphQL.TestClientStandalone.Runtime.AI.Tools;
+
+namespace Linq2GraphQL.Client
+{
+    namespace Common
+    {
+    }
+
+    namespace AI
+    {
+        namespace Schema
+        {
+        }
+
+        namespace Tools
+        {
+        }
+    }
+
+    namespace Subscriptions
+    {
+    }
+}
+
+namespace Linq2GraphQL.TestClient
+{
+}
diff --git a/test/Linq2GraphQL.Tests.Standalone/packages.lock.json b/test/Linq2GraphQL.Tests.Standalone/packages.lock.json
new file mode 100644
index 00000000..50bda511
--- /dev/null
+++ b/test/Linq2GraphQL.Tests.Standalone/packages.lock.json
@@ -0,0 +1,1082 @@
+{
+  "version": 2,
+  "dependencies": {
+    "net10.0": {
+      "Microsoft.AspNetCore.Mvc.Testing": {
+        "type": "Direct",
+        "requested": "[10.0.11, )",
+        "resolved": "10.0.11",
+        "contentHash": "BJi3rpYETlh0wd14Lg5Is9MWvEf55TAGd7yo+xGHuEZp7ololyvftbQZ1i7ZuITA7DgNPJED6EMhFSWycq7SBg==",
+        "dependencies": {
+          "Microsoft.AspNetCore.TestHost": "10.0.11",
+          "Microsoft.Extensions.DependencyModel": "10.0.11",
+          "Microsoft.Extensions.Hosting": "10.0.11"
+        }
+      },
+      "Microsoft.Extensions.AI": {
+        "type": "Direct",
+        "requested": "[10.10.0, )",
+        "resolved": "10.10.0",
+        "contentHash": "XKvtDUD3KySkvA5UpS+UF67M5rcqiXjAQchTZZ26WnavVKXxwlUTVdK/Ju0tc/25+16AVUdNl8cnVVGX/tx03A==",
+        "dependencies": {
+          "Microsoft.Extensions.AI.Abstractions": "10.10.0",
+          "Microsoft.Extensions.Caching.Abstractions": "10.0.12",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "10.0.12",
+          "Microsoft.Extensions.Logging.Abstractions": "10.0.12",
+          "System.Numerics.Tensors": "10.0.12"
+        }
+      },
+      "Microsoft.Extensions.TimeProvider.Testing": {
+        "type": "Direct",
+        "requested": "[10.10.0, )",
+        "resolved": "10.10.0",
+        "contentHash": "8duZdxuO3Oo8tlyQXVq1drXee6GJC9DjUU97Pq3YaIqf92jrAHsWxbbRKwvjQI48Mer3IANwUKF0elqvHeY4Rw=="
+      },
+      "Microsoft.NET.Test.Sdk": {
+        "type": "Direct",
+        "requested": "[17.14.1, )",
+        "resolved": "17.14.1",
+        "contentHash": "HJKqKOE+vshXra2aEHpi2TlxYX7Z9VFYkr+E5rwEvHC8eIXiyO+K9kNm8vmNom3e2rA56WqxU+/N9NJlLGXsJQ==",
+        "dependencies": {
+          "Microsoft.CodeCoverage": "17.14.1",
+          "Microsoft.TestPlatform.TestHost": "17.14.1"
+        }
+      },
+      "Moq": {
+        "type": "Direct",
+        "requested": "[4.20.72, )",
+        "resolved": "4.20.72",
+        "contentHash": "EA55cjyNn8eTNWrgrdZJH5QLFp2L43oxl1tlkoYUKIE9pRwL784OWiTXeCV5ApS+AMYEAlt7Fo03A2XfouvHmQ==",
+        "dependencies": {
+          "Castle.Core": "5.1.1"
+        }
+      },
+      "Nerdbank.GitVersioning": {
+        "type": "Direct",
+        "requested": "[3.8.118, )",
+        "resolved": "3.8.118",
+        "contentHash": "cRaG+ICcECG+CzbtQyUV2WftH7yl2B02AjYGGNScXx8TwYavZYwhCewBTiC0qTcsac7m6AzBUYna5xzBWmTGYw=="
+      },
+      "Shouldly": {
+        "type": "Direct",
+        "requested": "[4.3.0, )",
+        "resolved": "4.3.0",
+        "contentHash": "sDetrWXrl6YXZ4HeLsdBoNk3uIa7K+V4uvIJ+cqdRa5DrFxeTED7VkjoxCuU1kJWpUuBDZz2QXFzSxBtVXLwRQ==",
+        "dependencies": {
+          "DiffEngine": "11.3.0",
+          "EmptyFiles": "4.4.0"
+        }
+      },
+      "xunit": {
+        "type": "Direct",
+        "requested": "[2.9.3, )",
+        "resolved": "2.9.3",
+        "contentHash": "TlXQBinK35LpOPKHAqbLY4xlEen9TBafjs0V5KnA4wZsoQLQJiirCR4CbIXvOH8NzkW4YeJKP5P/Bnrodm0h9Q==",
+        "dependencies": {
+          "xunit.analyzers": "1.18.0",
+          "xunit.assert": "2.9.3",
+          "xunit.core": "[2.9.3]"
+        }
+      },
+      "xunit.runner.visualstudio": {
+        "type": "Direct",
+        "requested": "[3.1.5, )",
+        "resolved": "3.1.5",
+        "contentHash": "tKi7dSTwP4m5m9eXPM2Ime4Kn7xNf4x4zT9sdLO/G4hZVnQCRiMTWoSZqI/pYTVeI27oPPqHBKYI/DjJ9GsYgA=="
+      },
+      "Castle.Core": {
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+        "type": "CentralTransitive",
+        "requested": "[9.5.1, )",
+        "resolved": "9.5.1",
+        "contentHash": "pUYpupTsVyNcKemko8f0iknJa2z/oZsfzwb4crgEFN9/pKf3k35gxVXDDOkD3NVPF1ea6GUV0jgxkjCozFj7Fg=="
+      },
+      "HotChocolate.AspNetCore": {
+        "type": "CentralTransitive",
+        "requested": "[16.6.4, )",
+        "resolved": "16.6.4",
+        "contentHash": "sxqZ+B2asfW/vAznKNl+xP+sf8eR3h4lRKYrmDtJPTAbJ4Z8+rWW6DNqbFyoU1LAl1teTbRwPaGPxEqYKumA2Q==",
+        "dependencies": {
+          "ChilliCream.Nitro.App": "32.0.2",
+          "HotChocolate": "16.6.4",
+          "HotChocolate.AspNetCore.Pipeline": "16.6.4",
+          "HotChocolate.Subscriptions.InMemory": "16.6.4",
+          "HotChocolate.Transport.Formatters": "16.6.4",
+          "HotChocolate.Transport.Sockets": "16.6.4",
+          "HotChocolate.Types.Scalars.Upload": "16.6.4",
+          "HotChocolate.Utilities.DependencyInjection": "16.6.4"
+        }
+      },
+      "HotChocolate.Data": {
+        "type": "CentralTransitive",
+        "requested": "[16.6.4, )",
+        "resolved": "16.6.4",
+        "contentHash": "ruKaYosX4yTOAVeDEQfHFSjuIhmCeQpq3ritskH8i74wn8hKhPRsFA9iFPom3qpiZkCJxsCIPQZumGJGf6xpkQ==",
+        "dependencies": {
+          "GreenDonut.Data": "16.6.4",
+          "GreenDonut.Data.Abstractions": "16.6.4",
+          "GreenDonut.Data.Primitives": "16.6.4",
+          "HotChocolate.Execution.Operation.Abstractions": "16.6.4",
+          "HotChocolate.Execution.Projections": "16.6.4",
+          "HotChocolate.Types": "16.6.4",
+          "HotChocolate.Types.CursorPagination.Extensions": "16.6.4"
+        }
+      },
+      "HotChocolate.Types.Analyzers": {
+        "type": "CentralTransitive",
+        "requested": "[16.6.4, )",
+        "resolved": "16.6.4",
+        "contentHash": "bigjWuAkEQvxoQCrUzAvowiqS7YrTciape6++hB9YpA2cFH5RQnG+xyTo/MvWCN5jSvnW4izvdae9mhxtfhZZA=="
+      },
+      "Microsoft.Extensions.AI.Abstractions": {
+        "type": "CentralTransitive",
+        "requested": "[10.10.0, )",
+        "resolved": "10.10.0",
+        "contentHash": "frBHj2ckpevA+KdDLikxv8oxGPrJiyTvaiblYp+vtVEt0q6J73XP5m2SICm86nFK6rl+L1GCKxIy4S5Lb3p2kQ=="
+      },
+      "Microsoft.Extensions.Caching.Memory": {
+        "type": "CentralTransitive",
+        "requested": "[10.0.11, )",
+        "resolved": "10.0.11",
+        "contentHash": "el1g0mBEbDBGY2bT9mcSfrTWO8QlPdq2nOCnvQugioOFwHV+bVBMeiakoI0dNOdj8d6Hi9K6HY2xzRUWJiDR3w==",
+        "dependencies": {
+          "Microsoft.Extensions.Caching.Abstractions": "10.0.11",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "10.0.11",
+          "Microsoft.Extensions.Logging.Abstractions": "10.0.11",
+          "Microsoft.Extensions.Options": "10.0.11",
+          "Microsoft.Extensions.Primitives": "10.0.11"
+        }
+      },
+      "Microsoft.Extensions.Configuration": {
+        "type": "CentralTransitive",
+        "requested": "[10.0.11, )",
+        "resolved": "10.0.11",
+        "contentHash": "wlhRqZW8LcJPa+vk2oLAc/REXDItHtkFQdf/QcXYGZbZOO13izcsKY1pCvuFQYwUiZD+hwSZwsKASjqT+BNaVg==",
+        "dependencies": {
+          "Microsoft.Extensions.Configuration.Abstractions": "10.0.11",
+          "Microsoft.Extensions.Primitives": "10.0.11"
+        }
+      },
+      "Microsoft.Extensions.Configuration.EnvironmentVariables": {
+        "type": "CentralTransitive",
+        "requested": "[10.0.11, )",
+        "resolved": "10.0.11",
+        "contentHash": "KICyU3eVi5jvloKm01EXV69L97H/zkhISVtV98cIuzuFOxNx3xTUVcXqvWTz3aq7OvUuDB/MFlPFjmxRaKF7/A==",
+        "dependencies": {
+          "Microsoft.Extensions.Configuration": "10.0.11",
+          "Microsoft.Extensions.Configuration.Abstractions": "10.0.11"
+        }
+      },
+      "Microsoft.Extensions.Configuration.FileExtensions": {
+        "type": "CentralTransitive",
+        "requested": "[10.0.11, )",
+        "resolved": "10.0.11",
+        "contentHash": "mDW7KVFB05M6jiRUyaZiOMWhS31n5HlSZwoYctHAZAucD4sMDJ70IxOmkGDt6RpstchD+keWBjhdzcMpSkWvWQ==",
+        "dependencies": {
+          "Microsoft.Extensions.Configuration": "10.0.11",
+          "Microsoft.Extensions.Configuration.Abstractions": "10.0.11",
+          "Microsoft.Extensions.FileProviders.Abstractions": "10.0.11",
+          "Microsoft.Extensions.FileProviders.Physical": "10.0.11",
+          "Microsoft.Extensions.Primitives": "10.0.11"
+        }
+      },
+      "Microsoft.Extensions.Configuration.Json": {
+        "type": "CentralTransitive",
+        "requested": "[10.0.11, )",
+        "resolved": "10.0.11",
+        "contentHash": "nSPrT8U/cNoB4coqkmnanAMK9PsL7lsjG+LLUKEwHRFwS6E78b8S1wdv/y88EOxBhasWov1rLd7RTHmmsYPOLg==",
+        "dependencies": {
+          "Microsoft.Extensions.Configuration": "10.0.11",
+          "Microsoft.Extensions.Configuration.Abstractions": "10.0.11",
+          "Microsoft.Extensions.Configuration.FileExtensions": "10.0.11",
+          "Microsoft.Extensions.FileProviders.Abstractions": "10.0.11"
+        }
+      },
+      "Microsoft.Extensions.Configuration.UserSecrets": {
+        "type": "CentralTransitive",
+        "requested": "[10.0.11, )",
+        "resolved": "10.0.11",
+        "contentHash": "BRliLdUowglV8GS+J1G/QsSofCJYYFg3U8QZx0ACRn+a91az/Qnpy+h6PyHS94WgV2TSazX5D/cuuk6wnCJatw==",
+        "dependencies": {
+          "Microsoft.Extensions.Configuration.Abstractions": "10.0.11",
+          "Microsoft.Extensions.Configuration.Json": "10.0.11",
+          "Microsoft.Extensions.FileProviders.Abstractions": "10.0.11",
+          "Microsoft.Extensions.FileProviders.Physical": "10.0.11"
+        }
+      },
+      "Microsoft.Extensions.DependencyInjection": {
+        "type": "CentralTransitive",
+        "requested": "[10.0.11, )",
+        "resolved": "10.0.11",
+        "contentHash": "PSmotV19c7E3lKed++uYo1kSiXFI+uTl37CBSrhq+CfLC3FCHjG7R91+xPnNehQfHS1b0Tzo/CCLPWH3qaEheg==",
+        "dependencies": {
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "10.0.11"
+        }
+      },
+      "Microsoft.Extensions.Http": {
+        "type": "CentralTransitive",
+        "requested": "[10.0.11, )",
+        "resolved": "10.0.11",
+        "contentHash": "ujx8RvcKzkxPFBguwgiygbwWVHVK0P7HFlNJ6I0JBRb28tzwe42jixBoA+dGmqG9IHepPVcm04vv2IDnU93ekA==",
+        "dependencies": {
+          "Microsoft.Extensions.Configuration.Abstractions": "10.0.11",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "10.0.11",
+          "Microsoft.Extensions.Diagnostics": "10.0.11",
+          "Microsoft.Extensions.Logging": "10.0.11",
+          "Microsoft.Extensions.Logging.Abstractions": "10.0.11",
+          "Microsoft.Extensions.Options": "10.0.11"
+        }
+      },
+      "Microsoft.Extensions.Logging": {
+        "type": "CentralTransitive",
+        "requested": "[10.0.11, )",
+        "resolved": "10.0.11",
+        "contentHash": "nUOJwgFkSiLHiVGFpU22pIJtuWYewuSYQ3JVuP/gdK8ASMT807Px+TYQiRWs6uSsOmoyFTaVCwKXTasczV6BpA==",
+        "dependencies": {
+          "Microsoft.Extensions.DependencyInjection": "10.0.11",
+          "Microsoft.Extensions.Logging.Abstractions": "10.0.11",
+          "Microsoft.Extensions.Options": "10.0.11"
+        }
+      },
+      "Microsoft.Extensions.Logging.Console": {
+        "type": "CentralTransitive",
+        "requested": "[10.0.11, )",
+        "resolved": "10.0.11",
+        "contentHash": "dFc0yDudyD1iIg6z9XT7ofsT3hVO7Y4ylrxGHIVRR0GaZ4CUk4ujOrMoy7wWEdNHZhvJooySg6hZpOxyS8zEVA==",
+        "dependencies": {
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "10.0.11",
+          "Microsoft.Extensions.Logging": "10.0.11",
+          "Microsoft.Extensions.Logging.Abstractions": "10.0.11",
+          "Microsoft.Extensions.Logging.Configuration": "10.0.11",
+          "Microsoft.Extensions.Options": "10.0.11"
+        }
+      },
+      "System.CodeDom": {
+        "type": "CentralTransitive",
+        "requested": "[10.0.11, )",
+        "resolved": "6.0.0",
+        "contentHash": "CPc6tWO1LAer3IzfZufDBRL+UZQcj5uS207NHALQzP84Vp/z6wF0Aa0YZImOQY8iStY0A2zI/e3ihKNPfUm8XA=="
+      },
+      "Websocket.Client": {
+        "type": "CentralTransitive",
+        "requested": "[5.3.0, )",
+        "resolved": "5.3.0",
+        "contentHash": "uhdDM+gruCEhHRCKCoyali1HJp0wSS/HBs5X9XZwULNKM2y5ML188TsvcEgWEFOx0NOaHfGNtfoC0cd1p2NOIg==",
+        "dependencies": {
+          "Microsoft.Extensions.Logging.Abstractions": "8.0.0",
+          "Microsoft.IO.RecyclableMemoryStream": "3.0.0",
+          "System.Reactive": "6.0.0"
+        }
+      }
+    }
+  }
+}
\ No newline at end of file
diff --git a/test/Linq2GraphQL.Tests/CoexistenceTests.cs b/test/Linq2GraphQL.Tests/CoexistenceTests.cs
new file mode 100644
index 00000000..12170f93
--- /dev/null
+++ b/test/Linq2GraphQL.Tests/CoexistenceTests.cs
@@ -0,0 +1,42 @@
+using Microsoft.AspNetCore.Mvc.Testing;
+using Microsoft.Extensions.Options;
+using Shouldly;
+using Package = Linq2GraphQL.TestClient;
+using Standalone = Linq2GraphQL.TestClientStandalone;
+
+namespace Linq2GraphQL.Tests;
+
+/// <summary>
+/// A standalone client (its own copy of the runtime) and a package-based client in one process, sharing
+/// an endpoint and the app's IMemoryCache, as an app that uses clients from several teams would.
+/// </summary>
+public class CoexistenceTests
+{
+    private static readonly Uri baseAddress = new("https://localhost:7184/graphql/");
+
+    [Fact]
+    public async Task StandaloneAndPackageClient_SharingCacheAndEndpoint_BothWork()
+    {
+        using var application = new WebApplicationFactory<Program>();
+
+        var package = new Package.SampleClient(application.CreateClient(new() { BaseAddress = baseAddress }),
+            Options.Create(new Client.GraphClientOptions { UseSafeMode = true }), application.Services);
+        var standalone = new Standalone.SampleClient(application.CreateClient(new() { BaseAddress = baseAddress }),
+            Options.Create(new Standalone.Runtime.GraphClientOptions { UseSafeMode = true }), application.Services);
+
+        // Safe mode caches the schema per endpoint; each client must get its own runtime's schema type.
+        (await package.Query.Customers().Select().ExecuteAsync()).Count.ShouldBe(2);
+        (await standalone.Query.Customers().Select().ExecuteAsync()).Count.ShouldBe(2);
+        (await package.Query.Hello().Select().ExecuteAsync()).ShouldBe("Hello, World!");
+        (await standalone.Query.Hello().Select().ExecuteAsync()).ShouldBe("Hello, World!");
+    }
+
+    [Fact]
+    public void StandaloneClient_DoesNotReferenceTheRuntimePackages()
+    {
+        var references = typeof(Standalone.SampleClient).Assembly.GetReferencedAssemblies().Select(e => e.Name);
+
+        references.ShouldNotContain("Linq2GraphQL.Client");
+        references.ShouldNotContain("Linq2GraphQL.Client.Subscriptions");
+    }
+}
diff --git a/test/Linq2GraphQL.Tests/Linq2GraphQL.Tests.csproj b/test/Linq2GraphQL.Tests/Linq2GraphQL.Tests.csproj
index 09926f77..589c11fb 100644
--- a/test/Linq2GraphQL.Tests/Linq2GraphQL.Tests.csproj
+++ b/test/Linq2GraphQL.Tests/Linq2GraphQL.Tests.csproj
@@ -31,6 +31,7 @@
     <ItemGroup>
         <ProjectReference Include="..\Linq2GraphQL.TestClientNullable\Linq2GraphQL.TestClientNullable.csproj"/>
         <ProjectReference Include="..\Linq2GraphQL.TestClient\Linq2GraphQL.TestClient.csproj"/>
+        <ProjectReference Include="..\Linq2GraphQL.TestClientStandalone\Linq2GraphQL.TestClientStandalone.csproj"/>
         <ProjectReference Include="..\Linq2GraphQL.TestServerNullable\Linq2GraphQL.TestServerNullable.csproj"/>
         <ProjectReference Include="..\Linq2GraphQL.TestServer\Linq2GraphQL.TestServer.csproj"/>
         <ProjectReference Include="..\..\src\Linq2GraphQL.Generator\Linq2GraphQL.Generator.csproj"/>
diff --git a/test/Linq2GraphQL.Tests/StandaloneGeneratorTests.cs b/test/Linq2GraphQL.Tests/StandaloneGeneratorTests.cs
new file mode 100644
index 00000000..c0c05efc
--- /dev/null
+++ b/test/Linq2GraphQL.Tests/StandaloneGeneratorTests.cs
@@ -0,0 +1,110 @@
+using Linq2GraphQL.Generator;
+using Shouldly;
+
+namespace Linq2GraphQL.Tests;
+
+/// <summary>
+/// Standalone mode writes a copy of the runtime under &lt;namespace&gt;.Runtime next to the client. That the
+/// copy compiles and works is covered by Linq2GraphQL.TestClientStandalone and Linq2GraphQL.Tests.Standalone;
+/// these tests pin down what the generator emits.
+/// </summary>
+[Collection(GeneratorCollection.Name)]
+public class StandaloneGeneratorTests
+{
+    private const string Sdl = """
+        type Query { thing: Thing }
+        type Subscription { thingAdded: Thing }
+        type Thing { id: ID! }
+        """;
+
+    [Fact]
+    public void Standalone_NothingReferencesTheRuntimePackages()
+    {
+        var entries = NewGenerator(standalone: true, includeSubscriptions: true).GenerateFromSdl(Sdl);
+
+        entries.ShouldAllBe(e => !e.Content.Contains("Linq2GraphQL.Client"));
+        Content(entries, "Client", "TestClient.cs").ShouldContain("using TestNs.Runtime;");
+        Content(entries, "Runtime/Client", "GraphClient.cs").ShouldContain("namespace TestNs.Runtime;");
+        Content(entries, "Runtime/Subscriptions", "WSClient.cs").ShouldContain("namespace TestNs.Runtime.Subscriptions;");
+    }
+
+    [Fact]
+    public void Standalone_CopiesTheRuntime_WithoutAssemblyAttributes()
+    {
+        var entries = NewGenerator(standalone: true, includeSubscriptions: true).GenerateFromSdl(Sdl);
+        var runtime = entries.Where(e => e.DirectoryName.StartsWith("Runtime")).ToList();
+
+        runtime.ShouldContain(e => e.DirectoryName == "Runtime/Client/Visitors" && e.FileName == "QueryExpressionVisitor.cs");
+        runtime.ShouldNotContain(e => e.FileName == "Assembly.cs");
+        runtime.ShouldAllBe(e => !e.Content.Contains("[assembly:"));
+        runtime.ShouldAllBe(e => e.Content.Contains("<auto-generated/>"));
+    }
+
+    [Fact]
+    public void Standalone_WithoutSubscriptions_LeavesOutTheSubscriptionsRuntime()
+    {
+        var entries = NewGenerator(standalone: true, includeSubscriptions: false).GenerateFromSdl(Sdl);
+
+        entries.ShouldNotContain(e => e.DirectoryName.StartsWith("Runtime/Subscriptions"));
+        Content(entries, "Runtime", "RuntimeInfo.cs").ShouldNotContain("Websocket.Client");
+    }
+
+    [Fact]
+    public void Standalone_InAgentMode_CopiesTheAgentTools()
+    {
+        var entries = NewGenerator(standalone: true, includeSubscriptions: false, agent: true).GenerateFromSdl(Sdl);
+
+        Content(entries, "Runtime/AI", "AgentToolsExtensions.cs").ShouldContain("namespace TestNs.Runtime.AI;");
+        Content(entries, "Runtime/AI/Schema", "SdlReader.cs").ShouldContain("namespace TestNs.Runtime.AI.Schema;");
+        entries.ShouldAllBe(e => !e.Content.Contains("Linq2GraphQL.Client"));
+
+        var info = Content(entries, "Runtime", "RuntimeInfo.cs");
+        info.ShouldContain("GraphQL-Parser");
+        info.ShouldContain("Microsoft.Extensions.AI.Abstractions");
+    }
+
+    [Fact]
+    public void Standalone_WithoutAgentMode_LeavesOutTheAgentTools()
+    {
+        var entries = NewGenerator(standalone: true, includeSubscriptions: true).GenerateFromSdl(Sdl);
+
+        entries.ShouldNotContain(e => e.DirectoryName.StartsWith("Runtime/AI"));
+        Content(entries, "Runtime", "RuntimeInfo.cs").ShouldNotContain("Microsoft.Extensions.AI");
+    }
+
+    [Fact]
+    public void Standalone_RuntimeInfo_RecordsVersionAndPackages()
+    {
+        var info = Content(NewGenerator(standalone: true, includeSubscriptions: true).GenerateFromSdl(Sdl),
+            "Runtime", "RuntimeInfo.cs");
+
+        info.ShouldContain("namespace TestNs.Runtime;");
+        info.ShouldMatch(@"public const string Version = ""\d+\.\d+\.\d+[^""+]*"";");
+        info.ShouldContain("Microsoft.Extensions.Caching.Memory");
+        info.ShouldContain("Microsoft.Extensions.Http");
+        info.ShouldContain("Websocket.Client");
+    }
+
+    [Fact]
+    public void PackageMode_IsUnchangedByStandalone()
+    {
+        var package = NewGenerator(standalone: false, includeSubscriptions: true).GenerateFromSdl(Sdl);
+        var standalone = NewGenerator(standalone: true, includeSubscriptions: true).GenerateFromSdl(Sdl)
+            .Where(e => !e.DirectoryName.StartsWith("Runtime"))
+            .ToList();
+
+        package.ShouldNotContain(e => e.DirectoryName.StartsWith("Runtime"));
+        standalone.Select(e => e.FileName).ShouldBe(package.Select(e => e.FileName));
+        for (var i = 0; i < package.Count; i++)
+        {
+            standalone[i].Content.ShouldBe(package[i].Content.Replace("Linq2GraphQL.Client", "TestNs.Runtime"));
+        }
+    }
+
+    private static ClientGenerator NewGenerator(bool standalone, bool includeSubscriptions, bool agent = false) =>
+        new("TestNs", "TestClient", includeSubscriptions, EnumGeneratorStrategy.FailIfMissing, false, false,
+            agent: agent, standalone: standalone);
+
+    private static string Content(List<FileEntry> entries, string directory, string fileName) =>
+        entries.Single(e => e.DirectoryName == directory && e.FileName == fileName).Content;
+}
diff --git a/test/Linq2GraphQL.Tests/packages.lock.json b/test/Linq2GraphQL.Tests/packages.lock.json
index 79a71836..8c334c70 100644
--- a/test/Linq2GraphQL.Tests/packages.lock.json
+++ b/test/Linq2GraphQL.Tests/packages.lock.json
@@ -926,6 +926,16 @@
           "Linq2GraphQL.Client.Subscriptions": "[1.0.0, )"
         }
       },
+      "linq2graphql.testclientstandalone": {
+        "type": "Project",
+        "dependencies": {
+          "GraphQL-Parser": "[9.5.1, )",
+          "Microsoft.Extensions.AI.Abstractions": "[10.10.0, )",
+          "Microsoft.Extensions.Caching.Memory": "[10.0.11, )",
+          "Microsoft.Extensions.Http": "[10.0.11, )",
+          "Websocket.Client": "[5.3.0, )"
+        }
+      },
       "linq2graphql.testserver": {
         "type": "Project",
         "dependencies": {