Open-Source Directory — Claude / Anthropic

Claude
Tools

A curated index of extensions, plugins, MCP servers, hooks, and integrations for Claude — discovered from GitHub and refreshed daily.

Repository Growth — Last 30 Days

8236entries
★ starsA–Z name

Express-REST-API-and-MCP-Server-Framework

147
@iolufemi

Express REST API and MCP Server Framework is a comprehensive development framework for building RESTful APIs and MCP servers with Express.js. It provides a complete template for creating production-ready APIs using Node.js, Express, Mongoose (MongoDB), and Sequelize (SQL databases).

updated Apr 2026

goku

146
@jcaromiq

Goku is an HTTP load testing application written in Rust

updated Jun 2026

mcp-ts-core

146
@cyanheads

Agent-native TypeScript framework for building MCP servers. Declarative definitions with auth, multi-backend storage, OpenTelemetry, and first-class support for Bun/Node/Cloudflare Workers.

updated Jul 2026

mcp-server

146
@browserstack

BrowserStack's Official MCP Server

updated Jul 2026

claude-toolbox

146
@serpro69

Minimal by design, explicitly multi-lang, production-ready and battle-tested collection of configs and plugins for your Claude Code agentic development workflows: mcp, configs, skills, agents and more.

updated Jun 2026

claude-ip-guard

146
@cso1z

A Claude Code hook plugin for IP-based access control · 防 Claude 封号 · Claude IP 检测 · IP 地理位置拦截 · Claude 账号保护

updated Jul 2026

iterative-development

146
@prime-radiant-inc

Iterative development methodology plugin for Claude Code — extracts requirements, defines walking skeleton, loops through audited sprints autonomously

updated Jul 2026

mcp-memory

145
@Puliczek

🔥🖥️ MCP Memory is a MCP Server that gives MCP Clients (Cursor, Claude, Windsurf and more) the ability to remember information about users (preferences, behaviors) across conversations.

updated Jul 2026

frontmcp

145
@agentfront

TypeScript-first framework for the Model Context Protocol (MCP). You write clean, typed code; FrontMCP handles the protocol, transport, DI, session/auth, and execution flow.

updated Jul 2026

freecad-addon-robust-mcp-server

145
@spkane

The FreeCAD Robust MCP server and MCP Bridge Workbench/Addon

updated Jul 2026

mcp-shodan

144
@w0h1v

MCP server for Shodan — search internet-connected devices, IP reconnaissance, DNS lookups, and CVE/CPE vulnerability intelligence. Works with Claude Code, Codex, Gemini CLI, and Claude Desktop.

updated Jul 2026

joplin-mcp

144
@alondmnt

MCP server for the Joplin note taking app

updated Jul 2026

Ombre-Brain

144
@P0lar1zzZ

For Claude.

updated Jul 2026

humanizer-ru

144
@ilyautov

Скилл для Claude. Убирает 54 признака нейросети в русском тексте: канцелярит, кальки, фингерпринты ChatGPT и Claude. Метит в то, что меряют GPTZero, DivEye, RuBERT: поднимает perplexity и burstiness. 20 жёстких банов, quad-pass аудит, калибровка под голос автора.

updated Jul 2026

docx-cli

144
@kklimuk

CLI for AI agents (Claude, Codex) to read, edit, and comment on .docx files with full format fidelity.

updated Jul 2026

kogiqa-mcp

144
@atagon-GmbH

This web browser has been designed to help your agent debug and develop complex web applications. (MCP Server)

updated Jul 2026

octagon-mcp-server

143
@OctagonAI

An MCP server for public & prediction markets research. Ask natural-language questions and get structured, source-backed answers across SEC filings, earnings transcripts, company financials, stock & crypto market data, and prediction markets news & research. Built for investors, analysts, and researchers who need fast, cited intelligence.

updated Jul 2026

mcp-linear

143
@tacticlaunch

MCP server that enables AI assistants to interact with Linear project management system through natural language, allowing users to retrieve, create, and update issues, projects, and teams.

updated Jul 2026

go-mcp

143
@ktr0731

deprecated: use the official MCP sdk! (https://github.com/modelcontextprotocol/go-sdk) / ⚡ A type-safe, intuitive Go SDK for building MCP servers with ease and confidence

updated Feb 2026

Matryoshka

143
@yogthos

MCP server for token-efficient large document analysis via the use of REPL state

updated Jul 2026

BurpMCP-Ultra

143
@Cy-S3c

AI-powered MCP server for Burp Suite Professional — 149 tools across proxy, scanner, inline fuzzer, race conditions, guided injection, JWT/IDOR attacks, recon & OOB, with a real-time dashboard and hardened localhost security. Drive Burp from Claude Code or any MCP client.

updated Jul 2026

dottedsign-mcp

143
@DottedSign-Official

A DottedSign MCP server that enables AI assistants (Claude, ChatGPT) to manage signing tasks, templates, and document status via natural language.

updated Jul 2026

awesome-hermes-skills

143
@ZeroPointRepo

Curated, install-ready skills for Hermes Agent (v0.17.0). 72 built-in + 101 optional bundled skills + 85 community skills, plugins & tools for the self-improving AI agent from Nous Research. Cross-compatible with Claude Code, OpenClaw, Cursor, and Windsurf.

updated Jul 2026

ReActMCP

142
@mshojaei77

ReActMCP is a reactive MCP client that empowers AI assistants to instantly respond with real-time, Markdown-formatted web search insights powered by the Exa API.

updated Jun 2026
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