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

8281entries
★ starsA–Z name

mkv-summarizer

★ 3
@vlnd0

AI-powered video summarization tool using OpenAI Whisper and Anthropic Claude

updated Oct 2025

cc-terminal

★ 3
@orta

A vscode extension for claude code

updated Dec 2025

claude-code-gpt-codex

★ 3
@AlpSha

Use GPT-5 Codex within Claude Code! This extension handles OAuth authentication with ChatGPT Plus/Pro accounts and seamlessly integrates Codex responses into your Claude Code workflow.

updated Sep 2026

claude-usage-monitor

★ 3
@oov

A Browser extension that monitors Claude usage limits with visual charts and periodic updates.

updated Jul 2026

claude-code-container

★ 3
@eRepublik-Labs

Secure, isolated container for Claude Code with strict network firewall controls and optimized development tools (fd, ripgrep, fzf, jq)

updated Jul 2026

claude-skills-marketplace

★ 3
@428alexander9

🛠️ Transform Claude into a System Architect, generating detailed project documentation for AI-assisted software development with clear boundaries and traceable requirements.

updated Oct 2026

claude-code-chameleon

★ 3
@mbenachour

vs extension to source templates ( agents, commands, mcps, etc ) from aitmpl.com

updated Sep 2026

Model-Proxy

★ 3
@BenItBuhner

A model proxy to allow for multiple API key, provider, and model fallbacks, that also translates OpenAI methods to Anthropic, enabling support for the likes of Claude Code and other tools with ease.

updated Sep 2026

claude-my-marketplace

★ 3
@lukaskellerstein

A collection of Claude Code plugins — dev tools, documentation, infra, Figma, media generation, design direction, and web design. Reusable skills, agents, and commands across projects.

updated Sep 2026

claude-mp

★ 3
@totallyGreg

Comprehensive marketplace for Claude Code extensions: skills, commands, agents, hooks, and MCP servers

updated Oct 2026

ccsw

★ 3
@Boulea7

A lightweight CLI tool to seamlessly switch between AI providers for Claude Code and Codex

updated Mar 2026

mcp-proxy

★ 3
@arcforgelabs-archive

Aggregating MCP proxy with ~95% context reduction through progressive tool disclosure

updated Oct 2026

ccexp_vc

★ 3
@safeekow

Explore and manage Claude Code configuration files and slash commands with the VSCode extension

updated Sep 2026

agents

★ 3
@brooksmcmillin

Multi-agent system built with Claude and MCP featuring 7 specialized agents (chatbot, security researcher, business advisor, task manager, REST API), 29 shared tools across web analysis, memory, RAG, email, and communication. Includes hot-reload development, OAuth infrastructure, and remote MCP support for distributed deployments.

updated Jul 2026

ForeverTools

★ 3
@ForeverTools

MCP Server + .NET AI libraries for Claude Code, Copilot and any MCP-compatible client. Summarize, translate, OCR, TTS, sentiment, web fetch & more. Free AI/ML API key.

updated Sep 2026

AgnosticToolBuilder

★ 3
@johnbrodowski

A provider-agnostic tool builder for AI/LLM function calling that lets you define tools once and use them across multiple AI providers (Anthropic, OpenAI, Gemini, Groq, LMStudio).

updated May 2026

claude-code-tools

★ 3
@ADWilkinson

14 agents, 11 skills, 2 hooks for Claude Code. Confidence scoring, anti-patterns, framework-agnostic.

updated Sep 2026

pacer-learning-system

★ 3
@az9713

Claude Code extension implementing Dr. Justin Sung's PACER learning methodology for efficient learning

updated Sep 2026

path-extractor-claude

★ 3
@Mohamad-Jaallouk

VS Code extension to extract file paths with @ prefix - optimized for Claude Code and AI coding assistants

updated Apr 2026

rust-claude-code

★ 3
@redoop

A high-performance, secure Rust implementation of Claude AI code assistant CLI tool, providing intelligent code assistance through Anthropic Claude API.

updated Apr 2026

skill-viewer

★ 3
@leweii

Chrome extension to view and summarize Claude Code skills on GitHub

updated Jul 2026

claude-desktop-skills

★ 3
@m2ai-portfolio

21 production-ready Claude Desktop skills + Marketing Agents plugin

updated Aug 2026

claude-hiring-assistant

★ 3
@mtgibbs

An AI-powered CLI tool that leverages Anthropic's Claude to analyze resumes and generate tailored interview questions, streamlining the initial candidate screening process.

updated Aug 2026

claude-chrome-remote

★ 3
@chriskd

Let remote Claude Code instances control your local Chrome browser via the official Claude for Chrome extension.

updated Mar 2026
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