ossie

Metis turns agent intent into governed, reproducible, engine-neutral queries over shared semantic assets through semantic discovery, resolution, validation, planning, and compilation.

Apache Ossie, industry wide specification effort to standardize how we exchange semantic metadata across analytics, AI and BI platforms, providing a vendor neutral, single source of truth for semantic data

Standardize and streamline semantic model exchange across data analytics and AI tools.

A read-only MCP server for SQL databases with a semantic layer in an open format (Apache Ossie), metrics, your own context and skills — for any database and any MCP client.

Honesty & safety linter for Apache Ossie semantic models: catches cross-dialect metric drift and impure/non-deterministic expressions the schema validator can't see.