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@modelcontextprotocol/server
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@modelcontextprotocol/server
Model Context Protocol implementation for TypeScript - Server package
@modelcontextprotocol/server
The MCP (Model Context Protocol) TypeScript server SDK. Build MCP servers that expose tools, resources, and prompts.
[!WARNING] v2 is the stable release line, implementing the 2026-07-28 MCP spec. Migrating from v1? Start with the migration guide.
[!NOTE] This is v2 of the MCP TypeScript SDK. It replaces the monolithic
@modelcontextprotocol/sdkpackage from v1. See the migration guide if you're coming from v1.
Install
npm install @modelcontextprotocol/server
TypeScript ≥6.0 no longer auto-includes @types/* — add "types": ["node"] to your tsconfig.json compilerOptions (the published .d.mts references Buffer).
Optional framework adapters: @modelcontextprotocol/express, @modelcontextprotocol/fastify, @modelcontextprotocol/hono,
@modelcontextprotocol/node.
Documentation
- Repository README — overview, package layout, examples
- Server guide — tools, resources, prompts, and the rest of the server surface
- Serving guide — stdio, HTTP, the framework adapters, sessions, and authorization
- API reference
- MCP specification
Keywords
FAQs
Model Context Protocol implementation for TypeScript - Server package
The npm package @modelcontextprotocol/server receives a total of 4,209,756 weekly downloads. As such, @modelcontextprotocol/server popularity was classified as popular.
We found that @modelcontextprotocol/server demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 6 open source maintainers collaborating on the project.
Package last updated on 02 Oct 2026
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