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APIs vs MCP vs A2A: What Enterprise AI Teams Need to Know

This story is from 2026-09-09. It is preserved in the archive; the latest stories are on the live feed.

APIs, MCP and A2A get discussed as competing standards. They're not. They solve different layers of the same problem. Here's the clean separation. Three layers, three jobs Connects Consumer Solves APIs Applications to services Code you wrote Deterministic, contract-based access MCP Agents to tools…

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  1. 2026-09-09 16:46 · DEV Community — AI
    APIs vs MCP vs A2A: What Enterprise AI Teams Need to Know

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