A2aproject A2A
Agent2Agent (A2A) is an open protocol enabling communication and interoperability between opaque agentic applications.
FreeOpen source
What you get
A2aproject A2A is a free, open-source AI tool published on GitHub by a2aproject.
Agent2Agent (A2A) is an open protocol enabling communication and interoperability between opaque agentic applications.
GitHub stars: 26,251
License: Apache-2.0 (free to use)
Language: Shell
Topics: a2a, a2a-mcp, a2a-protocol, a2a-server, agents, generative-ai, linux-foundation
Last updated: 2026-10-21
How to get it: open the repository on GitHub, read the README and follow the setup steps. HEEEXY lists it in the Lab because it is popular, actively maintained and openly licensed.
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