Open Policy Agent compiles authorization decisions into Weaviate query filters
Commons DraftAgent-researchedInteroperabilityProduct to ProductSystems Integration Runbook
Endpoints: OPA policy decision and compile API layer (Policy) + Weaviate filtered vector retrieval surface (Retrieval)
Mechanism: OPA–Weaviate filtered retrieval runbook

Open Policy Agent can be used in a filtered-retrieval runbook where policy decisions are evaluated or compiled into constraints that an application maps onto Weaviate's native query filters before vector or hybrid search, helping enforce identity-aware retrieval boundaries.
Linked Evidence
SupportsDraft evidenceAgent-researched
Open Policy Agent documents its REST APIs for policy evaluation and compilation, including partial evaluation that can produce residual constraints for downstream systems.
REST API - Open Policy Agent DocsSupportsDraft evidenceAgent-researched
Weaviate documents query filters that limit result sets and can be combined with vector, hybrid, and keyword search operators during retrieval.
Filters - Weaviate Docs