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

8253entries
★ starsA–Z name

stt-mcp-server-linux

22
@marcindulak

Local speech-to-text MCP server for Tmux on Linux (for use not only with Claude Code)

updated Apr 2026

plugins

22
@matsengrp

Claude Code plugin with specialized agents for scientific writing, code review, and technical documentation

updated May 2026

powerbi-mcp-server

22
@enelyse

MCP server for controlling Power BI Desktop through Claude

updated May 2026

dJEB_mcp_server

22
@dPhoeniixx

JEB MCP Server for Claude Desktop integration. AI-assisted Android APK reverse engineering with decompilation, batch renaming, cross-references, and resource analysis.

updated Jun 2026

claude-mods

22
@0xDarkMatter

Custom commands, skills, and agents for Claude Code

updated Jun 2026

claude-code-gh-dash

22
@jakozloski

GitHub PR Dashboard plugin for Claude Code - view CI/CD status, merge PRs from terminal

updated Mar 2026

arc

22
@howells

Agent workflow plugin for Claude Code and Codex that takes projects from idea to reviewed, tested implementation.

updated May 2026

lad_mcp_server

22
@Shelpuk-AI-Technology-Consulting

Lad MCP Server: Autonomous code & system design review for AI coding agents (Claude Code, Cursor, Codex, etc.). Features multi-model consensus via OpenRouter and context-aware reviews via Serena.

updated May 2026

Binance-US-MCP

22
@nirholas

A Model Context Protocol (MCP) server for Binance.US API. Provides standardized access to market data, spot trading, wallets, accounts, staking, OTC, sub-accounts, and institutional features. Built in TypeScript/Node.js. Handles authentication, rate limiting, and errors automatically. Ideal for AI agents and devs.

updated May 2026

synthetic-web-search-mcp

22
@parnexcodes

A Model Context Protocol (MCP) server that exposes the Synthetic web search API as a tool for use with Claude and other MCP-compatible applications.

updated Apr 2026

tmc-marketplace

22
@tmchow

Claude Code and Codex plugins by Trevin Chow

updated Apr 2026

portable-dev-system

22
@rmzi

Skills for consistency. Agents for scale. A Claude Code plugin.

updated May 2026

x402-deploy

22
@nirholas

Turn any API or MCP server into a paid service with x402

updated Apr 2026

dida365-ai-tools

22
@oymy

Dida365 AI Tools - MCP Server & CLI for 滴答清单, manage your tasks with Claude Code or command line

updated May 2026

geo-lint

22
@IJONIS

The first open-source GEO linter. 92 rules for SEO, GEO, and content quality — built for AI agents to run, read, fix, and re-lint automatically.

updated May 2026

mcp-watchdog

22
@bountyyfi

MCP security proxy that sits between AI coding assistants and MCP servers, detecting and blocking all known MCP attack classes. Works with any MCP server (tools, resources, prompts) on macOS, Linux, and Windows.

updated Mar 2026

Auto-Review-ClaudeMCP

22
@IskanderAl

A Python MCP (Model Context Protocol) server that connects Claude Desktop to GitHub Pull Requests. It fetches PR diffs, filters out binary and asset files (Unity `.meta`, images, audio, shaders, etc.), and gives Claude only the actual code to review. Built as a QA automation tool to speed up pull request reviews using AI.

updated Mar 2026

openevidence-mcp

22
@bakhtiersizhaev

OpenEvidence MCP: open-source browser-session MCP server for human and AI-agent medical workflows

updated May 2026

codesurface

22
@Codeturion

Give your AI agent instant API lookups instead of expensive source file reads. MCP server for C#, Go, Java, Python, and TypeScript.

updated May 2026

claude-code-rtl-extension

22
@yechielby

VS Code/Cursor extension that adds RTL (Right-to-Left) support for Hebrew and Arabic to the "Claude Code for VS Code" extension

updated Jun 2026

finance-assistant

22
@googlarz

Personal finance copilot — real math, not AI guesses. 6 locales · 13 bank formats · Monte Carlo FIRE. claude.ai · Claude Code · Cowork. Open source, free.

updated Jun 2026

trueline-mcp

22
@rjkaes

Smarter reads, safer edits. An MCP plugin that cuts token usage and catches editing mistakes before they hit disk. Supports Claude Code, Gemini CLI, GitHub Copilot, and Codex.

updated Jun 2026

hotl-plugin

22
@yimwoo

HOTL plugin for Codex, Claude Code, and Cline. Human-on-the-Loop AI coding workflows with planning, review, and verification.

updated May 2026

AlterLab-Academic-Skills

22
@AlterLab-IEU

🧬 186+ Claude AI skills for faculty members and academic researchers — organized by research domain. Transform Claude into your domain-specific research expert.

updated May 2026
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