A2A
by a2aproject · GitHub
Agent2Agent (A2A) is an open protocol enabling communication and interoperability between opaque agentic applications.
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24.9k
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📜 License
Apache-2.0
Commercial use OK📅 Created
2025
🔄 Last commit
today
🏷️ Category
a2a
💻 Language
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📈 Star history
2026-06-272026-07-22
📄 About
Agent2Agent (A2A) is an open protocol enabling communication and interoperability between opaque agentic applications.
❓ Frequently asked questions
What is A2A?
Agent2Agent (A2A) is an open protocol enabling communication and interoperability between opaque agentic applications.
Is A2A open source?
A2A is an open-source project. It is released under the Apache-2.0 license.
Is A2A free?
Yes. A2A is free and open source — you can use, modify and self-host it.
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