MCP vs A2A: How AI Agents Connect to Tools — and to Each Other
This story is from 2026-10-04. It is preserved in the archive; the latest stories are on the live feed.
The short version: MCP connects an AI app to tools and data. A2A connects one AI agent to another AI agent. They solve different problems, and many systems use both. Why agents need more than a language model A chatbot only has to produce text. An agent has to get things done. To do that, it may ne…
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- 2026-10-04 13:29 · DEV Community — AI
MCP vs A2A: How AI Agents Connect to Tools — and to Each Other