Repositories list

• typescript-sdk

  Public
  The official TypeScript SDK for Model Context Protocol servers and clients

  TypeScript

  •

  Other

  •1.9k1.9k forks•12k12k stars•216216 issues•183183 pull requests•Updated May 19, 2026May 19, 2026

• modelcontextprotocol

  Public

  modelcontextprotocol/modelcontextprotocol’s past year of commit activity
  Specification and documentation for the Model Context Protocol

  TypeScript

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  Other

  •1.5k1.5k forks•8.1k8.1k stars•129129 issues•105105 pull requests•Updated May 19, 2026May 19, 2026

• ruby-sdk

  Public
  The official Ruby SDK for the Model Context Protocol.

  Ruby

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  Other

  •111111 forks•818818 stars•33 issues•33 pull requests•Updated May 19, 2026May 19, 2026

• inspector

  Public

  modelcontextprotocol/inspector’s past year of commit activity
  Visual testing tool for MCP servers

  TypeScript

  •

  Other

  •1.3k1.3k forks•9.8k9.8k stars•159159 issues•9393 pull requests•Updated May 19, 2026May 19, 2026

• rust-sdk

  Public

  modelcontextprotocol/rust-sdk’s past year of commit activity
  The official Rust SDK for the Model Context Protocol

  Rust

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  Other

  •521521 forks•3.4k3.4k stars•1919 issues•33 pull requests•Updated May 19, 2026May 19, 2026

• kotlin-sdk

  Public

  modelcontextprotocol/kotlin-sdk’s past year of commit activity
  The official Kotlin SDK for Model Context Protocol servers and clients. Maintained in collaboration with JetBrains

  mcpkotlin-multiplatform

  mcpkotlin-multiplatform

  Kotlin

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  Other

  •213213 forks•1.4k1.4k stars•6161 issues•1313 pull requests•Updated May 18, 2026May 18, 2026

• experimental-ext-server-card

  Public

  modelcontextprotocol/experimental-ext-server-card’s past year of commit activity
  TypeScript

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  Apache License 2.0

  •11 fork•11 star•00 issues•22 pull requests•Updated May 18, 2026May 18, 2026

• php-sdk

  Public

  modelcontextprotocol/php-sdk’s past year of commit activity
  The official PHP SDK for Model Context Protocol servers and clients. Maintained in collaboration with The PHP Foundation.

  PHP

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  Other

  •138138 forks•1.5k1.5k stars•2323 issues•88 pull requests•Updated May 18, 2026May 18, 2026

• python-sdk

  Public
  The official Python SDK for Model Context Protocol servers and clients

  Python

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  MIT License

  •3.4k3.4k forks•23k23k stars•247247 issues•207207 pull requests•Updated May 18, 2026May 18, 2026

• java-sdk

  Public
  The official Java SDK for Model Context Protocol servers and clients. Maintained in collaboration with Spring AI

  Java

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  MIT License

  •882882 forks•3.4k3.4k stars•161161 issues•144144 pull requests•Updated May 18, 2026May 18, 2026

• conformance

  Public
  Conformance Tests for MCP

  TypeScript

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  Other

  •4646 forks•6464 stars•3030 issues•3333 pull requests•Updated May 18, 2026May 18, 2026

• csharp-sdk

  Public

  modelcontextprotocol/csharp-sdk’s past year of commit activity
  The official C# SDK for Model Context Protocol servers and clients. Maintained in collaboration with Microsoft.

  csharpdotnetmcp+ 3

  csharpdotnetmcpmcp-servermodelcontextprotocolmcp-client

  C#

  •

  Other

  •703703 forks•4.3k4.3k stars•134134 issues•5252 pull requests•Updated May 18, 2026May 18, 2026

• go-sdk

  Public
  The official Go SDK for Model Context Protocol servers and clients. Maintained in collaboration with Google.

  gomcp

  gomcp

  Go

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  Other

  •432432 forks•4.6k4.6k stars•3333 issues•2222 pull requests•Updated May 18, 2026May 18, 2026

• servers

  Public
  Model Context Protocol Servers

  TypeScript

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  Other

  •11k11k forks•86k86k stars•278278 issues•202202 pull requests•Updated May 17, 2026May 17, 2026

• quickstart-resources

  Public
  A repository of servers and clients from the Model Context Protocol tutorials

  Go

  •

  Other

  •616616 forks•1.1k1.1k stars•22 issues•11 pull request•Updated May 16, 2026May 16, 2026

• ext-apps

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

  uiaimcp+ 3

  uiaimcpappsmodelcontextprotocolmcp-apps

  TypeScript

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  Other

  •285285 forks•2.3k2.3k stars•7575 issues•6868 pull requests•Updated May 15, 2026May 15, 2026

• experimental-ext-triggers-events

  Public
  Incubation space for the MCP Triggers & Events Working Group

  Apache License 2.0

  •22 forks•77 stars•00 issues•11 pull request•Updated May 14, 2026May 14, 2026

• experimental-ext-interceptors

  Public
  Status: Experimental. This repository provides a multi-language reference implementation of the proposed interceptor extension for the Model Context Protocol (M…

  extensionexperimental

  extensionexperimental

  C#

  •

  Apache License 2.0

  •88 forks•1313 stars•00 issues•11 pull request•Updated May 14, 2026May 14, 2026

• registry

  Public
  A community driven registry service for Model Context Protocol (MCP) servers.

  mcpmcp-servers

  mcpmcp-servers

  Go

  •

  Other

  •815815 forks•6.8k6.8k stars•7373 issues•1717 pull requests•Updated May 14, 2026May 14, 2026

• agents-wg

  Public
  Staging grounds for the Agents Working Group

  Apache License 2.0

  •55 forks•55 stars•11 issue•22 pull requests•Updated May 12, 2026May 12, 2026

• experimental-ext-tasks

  Public
  Status: Experimental. This repository provides a reference for the tasks extensions to the MCP protocol, allowing for long-running operations, such as Agent com…

  TypeScript

  •

  Apache License 2.0

  •22 forks•44 stars•00 issues•11 pull request•Updated May 11, 2026May 11, 2026

• experimental-ext-skills

  Public
  Experimental exploration of skills discovery and distribution through MCP primitives. Maintained by the Skills Over MCP Working Group.

  Apache License 2.0

  •1717 forks•129129 stars•1818 issues•77 pull requests•Updated May 10, 2026May 10, 2026

• swift-sdk

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

  swiftmcp

  swiftmcp

  Swift

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  Other

  •192192 forks•1.4k1.4k stars•3737 issues•1818 pull requests•Updated May 7, 2026May 7, 2026

• access

  Public
  Infrastructure as Code for MCP access management

  TypeScript

  •4848 forks•3636 stars•00 issues•11 pull request•Updated May 6, 2026May 6, 2026

• experimental-ext-variants

  Public
  Status: Experimental. This repository provides a multi-language reference implementation of the variants proposal for the Model Context Protocol (MCP), as descr…

  extensionexperimental

  extensionexperimental

  Go

  •

  Apache License 2.0

  •22 forks•66 stars•00 issues•11 pull request•Updated May 1, 2026May 1, 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

  TypeScript

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  MIT License

  •2828 forks•7272 stars•44 issues•44 pull requests•Updated Apr 29, 2026Apr 29, 2026

• transports-wg

  Public
  Transports Working Group

  Other

  •88 forks•1515 stars•11 issue•88 pull requests•Updated Apr 24, 2026Apr 24, 2026

• actions

  Public
  GitHub Actions relevant to the management of MCP repositories.

  JavaScript

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  MIT License

  •11 fork•22 stars•00 issues•00 pull requests•Updated Apr 24, 2026Apr 24, 2026

• mcpb

  Public
  Desktop Extensions: One-click local MCP server installation in desktop apps

  TypeScript

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  Other

  •187187 forks•1.9k1.9k stars•3838 issues•1717 pull requests•Updated Apr 22, 2026Apr 22, 2026

• dns

  Public
  Infrastructure as Code for MCP domains / DNS management

  TypeScript

  •77 forks•1010 stars•00 issues•11 pull request•Updated Apr 17, 2026Apr 17, 2026