Open Policy Agent (OPA) is an open source, general-purpose policy engine.
- opa
- policy
- declarative
- json
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Open Policy Agent (OPA) is an open source, general-purpose policy engine.
The most scalable and customizable permission server on the market. Fix your slow or broken permission system with Google's proven "Zanzibar" approach. Supports ACL, RBAC, and more. Written in Go, cloud native, headless, API-first. Available as a service on Ory Network and for self-hosters.
Protect against malicious open source packages 🤖
Local-first policy gateway for coding agents. Allow, review, or block MCP, shell, SQL, GitHub, and HTTP actions with scoped credentials and signed evidence.
opa-middleware gather all the middlewares you need to use Open Policy Agent with your API