Open Policy Agent (OPA)

New tooling is emerging to enable secure agent-to-agent (A2A) communication for multi-agent collaboration, including A2acast for multi-computer agent collaboration, Cardwall for health checks and stat…

Leanroute proposes using Open Policy Agent (OPA) as a sidecar pattern for chain-aware agent-to-agent (A2A) authorization, suggesting it as a suitable alternative to AI Gateway-based authorization. The…