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What Is an MCP Server?

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

Every "MCP server" explainer published before mid-2026 is describing a protocol that no longer exists. MCP went stateless in spec version 2026-07-28 . If a post you're reading talks about persistent sessions, it's already wrong. An MCP server is a program that exposes tools, resources, and prompts…

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  1. 2026-10-16 13:00 · DEV Community — AI
    What Is an MCP Server?

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