Awesome A2A (Agent2Agent Protocol)

Awesome A2A collects resources for building with the Agent2Agent (A2A) Protocol, an open protocol from Google and partners that lets AI agents from different vendors and frameworks discover each other and communicate over existing standards such as HTTP, JSON-RPC and Server-Sent Events. In the protocol's model, an agent publishes an Agent Card describing its capabilities and endpoint, a client agent sends a task request to a remote agent server, the server processes the task and responds with artifacts, and long-running tasks can stream status updates.

The list is organized into an introduction to A2A, official resources and specification links, implementations and libraries by language and framework, tools and utilities, tutorials and articles, demos, related protocols, and community links. It covers official samples, framework integrations, community implementations, and SDKs across several programming languages.