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Agent2Agent (A2A) Protocol

Open protocol for agent-to-agent communication.

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Category	Agent Protocols
Authentication	No auth
Pricing	Free
Website	https://a2a-protocol.org/
Docs	https://a2a-protocol.org/latest/
Last checked	2026-10-14
As JSON	/api/v1/directory/agent2agent-a2a-protocol.json

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