Awesome AI Agents › Multi-Agent Platforms
The Agent2Agent (A2A) Protocol is an open protocol designed to enable communication and interoperability between opaque agentic applications, particularly in the context of generative AI agents developed on diverse frameworks and hosted on separate servers. The protocol addresses the challenge of allowing these AI agents to communicate and collaborate effectively as autonomous agents rather than mere tools. A2A facilitates a common language for agents, promoting a more interconnected and innovative AI ecosystem. Key capabilities of A2A include agent discovery, negotiation of interaction modalities such as text, forms, and media, secure collaboration on long-running tasks, and operation without exposing internal states, memory, or tools. This ensures security and protection of intellectual property while enabling complex multi-agent collaboration. The protocol uses standardized communication based on JSON-RPC 2.0 over HTTP(S) and supports various interaction modes including synchronous request/response, streaming via Server-Sent Events (SSE), and asynchronous push notifications. It supports rich data exchange formats including text, files, and structured JSON data, making it versatile for different use cases. A2A is designed with enterprise readiness in mind, incorporating security, authentication, and observability features. The project provides comprehensive documentation, protocol specifications, SDKs in Python and JavaScript, and sample implementations to help developers get started. It encourages community contributions and collaboration through GitHub discussions, issues, and a partner program. Future enhancements planned for the protocol include improved agent discovery with authorization schemes, dynamic skill querying, enhanced task lifecycle and user experience features, and extended client methods and transport mechanisms. The project is open-source under the Apache License 2.0 and is maintained by Google LLC with active community involvement.
https://github.com/a2aproject/A2A
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