Overview
What is a2a-opa
a2a-opa is a middleware library that integrates Open Policy Agent (OPA) for policy-based authorization in Agent-to-Agent (A2A) communications, allowing developers to enforce access control and authorization policies.
How to Use
To use a2a-opa, install it via 'uv add a2a-opa', then wrap your existing A2A request handler with OPARequestHandler, providing it with an OPA client and policy bundle.
Key Features
Key features include policy-based authorization using Rego, non-invasive integration with existing A2A agents, real-time policy updates without downtime, comprehensive auditing of authorization decisions, extensible context for domain-specific policies, and built-in policy testing tools.
Where to Use
a2a-opa can be used in environments where agent communications require strict access control and authorization policies, such as distributed systems, microservices architectures, and multi-agent systems.
Use Cases
Use cases include enforcing security policies in agent communications, controlling access to agent capabilities, implementing fine-grained data access controls, and auditing policy decisions for compliance.
Content
A2A
Python A2A
Awesome A2A
A2A Directory
A2A LangGraph
scaled-mcp
adk-go
AP2
octelium
