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@modelcontextprotocol

Model Context Protocol

An open protocol that enables seamless integration between LLM applications and external data sources and tools.

Model Context Protocol

MCP Logo

A protocol for seamless integration between LLM applications and external data sources

Documentation | Specification | Discussions

The Model Context Protocol (MCP) is an open protocol that enables seamless integration between LLM applications and external data sources and tools. Whether you're building an AI-powered IDE, enhancing a chat interface, or creating custom AI workflows, MCP provides a standardized way to connect LLMs with the context they need.

Getting Started

Project Structure

Contributing

We welcome contributions of all kinds! Whether you want to fix bugs, improve documentation, or propose new features, please see our contributing guide to get started.

Have questions? Join the discussion in our community forum.

About

The Model Context Protocol is an open source project hosted by The Linux Foundation and open to contributions from the entire community.

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  1. modelcontextprotocol modelcontextprotocol Public

    Specification and documentation for the Model Context Protocol

    TypeScript 7k 1.3k

  2. servers servers Public

    Model Context Protocol Servers

    TypeScript 77.2k 9.3k

  3. python-sdk python-sdk Public

    The official Python SDK for Model Context Protocol servers and clients

    Python 21.3k 3k

  4. typescript-sdk typescript-sdk Public

    The official TypeScript SDK for Model Context Protocol servers and clients

    TypeScript 11.4k 1.6k

  5. csharp-sdk csharp-sdk Public

    The official C# SDK for Model Context Protocol servers and clients. Maintained in collaboration with Microsoft.

    C# 3.8k 608

  6. inspector inspector Public

    Visual testing tool for MCP servers

    TypeScript 8.4k 1.1k

Repositories

Showing 10 of 32 repositories
  • inspector Public

    Visual testing tool for MCP servers

    modelcontextprotocol/inspector’s past year of commit activity
    TypeScript 8,440 1,104 112 (1 issue needs help) 41 Updated Jan 26, 2026
  • ext-apps Public

    Official repo for spec & SDK of MCP Apps protocol - standard for UIs embedded AI chatbots, served by MCP servers

    modelcontextprotocol/ext-apps’s past year of commit activity
    TypeScript 409 67 32 33 Updated Jan 26, 2026
  • swift-sdk Public

    The official Swift SDK for Model Context Protocol servers and clients.

    modelcontextprotocol/swift-sdk’s past year of commit activity
    Swift 1,198 MIT 156 31 17 Updated Jan 26, 2026
  • conformance Public

    Conformance Tests for MCP

    modelcontextprotocol/conformance’s past year of commit activity
    TypeScript 31 17 8 6 Updated Jan 26, 2026
  • servers Public

    Model Context Protocol Servers

    modelcontextprotocol/servers’s past year of commit activity
    TypeScript 77,240 MIT 9,348 216 (1 issue needs help) 62 Updated Jan 26, 2026
  • example-remote-server Public

    A hosted version of the Everything server - for demonstration and testing purposes, hosted at https://example-server.modelcontextprotocol.io/mcp

    modelcontextprotocol/example-remote-server’s past year of commit activity
    TypeScript 62 MIT 22 4 4 Updated Jan 26, 2026
  • modelcontextprotocol Public

    Specification and documentation for the Model Context Protocol

    modelcontextprotocol/modelcontextprotocol’s past year of commit activity
    TypeScript 7,009 1,252 207 88 Updated Jan 26, 2026
  • kotlin-sdk Public

    The official Kotlin SDK for Model Context Protocol servers and clients. Maintained in collaboration with JetBrains

    modelcontextprotocol/kotlin-sdk’s past year of commit activity
    Kotlin 1,232 186 69 (4 issues need help) 18 Updated Jan 26, 2026
  • access Public

    Infrastructure as Code for MCP access management

    modelcontextprotocol/access’s past year of commit activity
    TypeScript 24 27 0 2 Updated Jan 26, 2026
  • csharp-sdk Public

    The official C# SDK for Model Context Protocol servers and clients. Maintained in collaboration with Microsoft.

    modelcontextprotocol/csharp-sdk’s past year of commit activity
    C# 3,814 608 122 15 Updated Jan 26, 2026