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A2A vs MCP: Agent-to-Agent vs Agent-to-Tool, and Why You Need Both in 2026

startdebugging.net · published 3 July 2026

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https://a2a-protocol.org/latest/topics/a2a-and-mcp/

a2a-protocol.org

https://www.linuxfoundation.org/press/a2a-protocol-surpasses-150-organizations-lands-in-major-cloud-platforms-and-sees-enterprise-production-use-in-first-year

linuxfoundation.org

The 2026-07-28 MCP Specification Release Candidate Read at the source ↗

blog.modelcontextprotocol.io

https://modelcontextprotocol.io/specification/2025-11-25

modelcontextprotocol.io