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The Model Context Protocol (MCP) is an open standard that connects AI assistants to external tools, data, and services through a common interface — a universal adapter between agents and the systems they act on.
The Model Context Protocol (MCP) is an open standard for connecting AI assistants to external tools, data, and services through a common interface — think of it as a universal adapter between agents and the systems they act on. It's become the connective tissue of the agentic-coding ecosystem: new MCP servers ship constantly, and the major coding agents now speak it natively. This hub follows the protocol's evolution — spec changes, notable new servers, security and auth developments, and the editors and agents adding support. We read 200+ sources every morning, cut the duplicates, and rank what's worth your time; everything below links to its primary source.