Repositories list

• inspector

  Public

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

  TypeScript

  •

  Other

  •1.3k1.3k forks•9.9k9.9k stars•170170 issues•107107 pull requests•Updated May 31, 2026May 31, 2026

• go-sdk

  Public

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

  gomcp

  gomcp

  Go

  •

  Other

  •437437 forks•4.6k4.6k stars•3333 issues•2222 pull requests•Updated May 31, 2026May 31, 2026

• registry

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

  mcpmcp-servers

  mcpmcp-servers

  Go

  •

  Other

  •839839 forks•6.9k6.9k stars•8484 issues•2020 pull requests•Updated May 31, 2026May 31, 2026

• typescript-sdk

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

  TypeScript

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  Other

  •1.9k1.9k forks•13k13k stars•247247 issues•232232 pull requests•Updated May 31, 2026May 31, 2026

• experimental-ext-skills

  Public

  modelcontextprotocol/experimental-ext-skills’s past year of commit activity
  Experimental exploration of skills discovery and distribution through MCP primitives. Maintained by the Skills Over MCP Working Group.

  Apache License 2.0

  •1717 forks•136136 stars•1818 issues•66 pull requests•Updated May 31, 2026May 31, 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

  •1.6k1.6k forks•8.3k8.3k stars•128128 issues•103103 pull requests•Updated May 31, 2026May 31, 2026

• quickstart-resources

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

  Go

  •

  Other

  •622622 forks•1.1k1.1k stars•22 issues•22 pull requests•Updated May 31, 2026May 31, 2026

• servers

  Public

  modelcontextprotocol/servers’s past year of commit activity
  Model Context Protocol Servers

  TypeScript

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  Other

  •11k11k forks•87k87k stars•276276 issues•219219 pull requests•Updated May 30, 2026May 30, 2026

• ruby-sdk

  Public
  The official Ruby SDK for the Model Context Protocol.

  Ruby

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  Other

  •114114 forks•843843 stars•66 issues•33 pull requests•Updated May 30, 2026May 30, 2026

• python-sdk

  Public

  modelcontextprotocol/python-sdk’s past year of commit activity
  The official Python SDK for Model Context Protocol servers and clients

  Python

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  MIT License

  •3.5k3.5k forks•23k23k stars•255255 issues•268268 pull requests•Updated May 30, 2026May 30, 2026

• csharp-sdk

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

  csharpdotnetmcp+ 3

  csharpdotnetmcpmcp-servermodelcontextprotocolmcp-client

  C#

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  Other

  •710710 forks•4.3k4.3k stars•143143 issues•5757 pull requests•Updated May 30, 2026May 30, 2026

• agents-wg

  Public
  Staging grounds for the Agents Working Group

  Apache License 2.0

  •66 forks•66 stars•11 issue•22 pull requests•Updated May 29, 2026May 29, 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•55 stars•00 issues•11 pull request•Updated May 29, 2026May 29, 2026

• rust-sdk

  Public
  The official Rust SDK for the Model Context Protocol

  Rust

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  Other

  •526526 forks•3.5k3.5k stars•2020 issues•66 pull requests•Updated May 29, 2026May 29, 2026

• conformance

  Public
  Conformance Tests for MCP

  TypeScript

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  Other

  •4949 forks•6868 stars•2929 issues•3131 pull requests•Updated May 29, 2026May 29, 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•77 stars•00 issues•11 pull request•Updated May 29, 2026May 29, 2026

• php-sdk

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

  PHP

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  Other

  •141141 forks•1.5k1.5k stars•7373 issues•55 pull requests•Updated May 29, 2026May 29, 2026

• experimental-ext-server-card

  Public
  TypeScript

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  Apache License 2.0

  •11 fork•11 star•99 issues•11 pull request•Updated May 28, 2026May 28, 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

  •891891 forks•3.4k3.4k stars•161161 issues•143143 pull requests•Updated May 28, 2026May 28, 2026

• kotlin-sdk

  Public
  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•6464 issues•1515 pull requests•Updated May 26, 2026May 26, 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

  •301301 forks•2.3k2.3k stars•8585 issues•7373 pull requests•Updated May 26, 2026May 26, 2026

• access

  Public
  Infrastructure as Code for MCP access management

  TypeScript

  •4949 forks•3737 stars•00 issues•22 pull requests•Updated May 26, 2026May 26, 2026

• mcpb

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

  TypeScript

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  Other

  •189189 forks•1.9k1.9k stars•4040 issues•2222 pull requests•Updated May 26, 2026May 26, 2026

• experimental-ext-triggers-events

  Public
  Incubation space for the MCP Triggers & Events Working Group

  Apache License 2.0

  •33 forks•77 stars•00 issues•22 pull requests•Updated May 22, 2026May 22, 2026

• transports-wg

  Public
  Transports Working Group

  Other

  •88 forks•1515 stars•11 issue•77 pull requests•Updated May 20, 2026May 20, 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•1515 stars•00 issues•22 pull requests•Updated May 14, 2026May 14, 2026

• swift-sdk

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

  swiftmcp

  swiftmcp

  Swift

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  Other

  •193193 forks•1.4k1.4k stars•3838 issues•2020 pull requests•Updated May 7, 2026May 7, 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

  •2727 forks•7474 stars•44 issues•44 pull requests•Updated Apr 29, 2026Apr 29, 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

• 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