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What Is MCP, Really? A Real Server, Tested Against the Actual Protocol

This story is from 2026-10-16. It is preserved in the archive; the latest stories are on the live feed.

MCP got one sentence in the first post of this series, as one reason agents got practical, with no real explanation. This post is that explanation, plus a server I actually ran the protocol against. This post continues my series on building agents. The previous one covered AI agent vs Zapier/Make .…

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  1. 2026-10-16 14:54 · DEV Community — AI
    What Is MCP, Really? A Real Server, Tested Against the Actual Protocol

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