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The Definitive Guide to the Model Context Protocol

This story is from 2026-10-21. It is preserved in the archive; the latest stories are on the live feed.

TL;DR The Model Context Protocol (MCP) is an open standard that establishes a structured JSON-RPC 2.0 communication layer between large language model applications and external tools, databases, or environments. MCP replaces fragmented, bespoke integrations with three standardized primitives: Tools…

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  1. 2026-10-21 14:01 · DEV Community — AI
    The Definitive Guide to the Model Context Protocol

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