MCP Bundlev1.0.0

modelcontextprotocol/server

The MCP (Model Context Protocol) TypeScript server SDK. Build MCP servers that expose tools, resources, and prompts.

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Description

MCP Bundle Details

Protocol Version: 2024-11-05
Servers: server

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12,099 starsLast commit 1w ago

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Last updated 4/5/2026

`@modelcontextprotocol/server`

The MCP (Model Context Protocol) TypeScript server SDK. Build MCP servers that expose tools, resources, and prompts.

[!WARNING] This is an alpha release. Expect breaking changes until v2 stabilizes. We're publishing early to gather feedback — please try it and open issues — but we can't guarantee API stability yet. We'll aim to minimize disruption between alphas.

[!NOTE] This is v2 of the MCP TypeScript SDK. It replaces the monolithic @modelcontextprotocol/sdk package from v1. See the migration guide if you're coming from v1.

Install

npm install @modelcontextprotocol/server@alpha

Optional framework adapters: @modelcontextprotocol/express, @modelcontextprotocol/hono, @modelcontextprotocol/node.

Documentation

Repository README — overview, package layout, examples
Server guide
API reference
MCP specification