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MCP Server in Node.js: What the v2 TypeScript SDK Changes

Originally published on Extenify . If you build an MCP server in Node.js today, most tutorials you find will still show the v1 @modelcontextprotocol/sdk package and server.tool() , and both are now behind the curve. Version 2 of the official TypeScript SDK is the stable line, it implements the 2026…

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  1. 2026-11-05 09:16 · DEV Community — AI
    MCP Server in Node.js: What the v2 TypeScript SDK Changes

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