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

8245entries
★ starsA–Z name

UI-TARS-desktop

38.7k
@bytedance

The Open-Source Multimodal AI Agent Stack: Connecting Cutting-Edge AI Models and Agent Infra

updated Aug 2026

ai-job-search

38.1k
@MadsLorentzen

The job search that runs on your machine. AI job application framework built on Claude Code: evaluate postings, tailor CVs, write cover letters, prep interviews. Fork it and own it.

updated Aug 2026

claude-plugins-official

35.4k
@anthropics

Official, Anthropic-managed directory of high quality Claude Code Plugins.

updated Aug 2026

herdr

33.4k
@herdrdev

the runtime your coding agents live on

updated Aug 2026

ai-website-cloner-template

33.4k
@JCodesMore

Clone any website with one command using AI coding agents

updated Aug 2026

awesome-agent-skills

33.3k
@VoltAgent

A curated collection of 1000+ agent skills from official dev teams and the community, compatible with Claude Code, Codex, Gemini CLI, Cursor, and more.

updated Aug 2026

github-mcp-server

32.6k
@github

GitHub's official MCP Server

updated Aug 2026

codex-plugin-cc

32.5k
@openai

Use Codex from Claude Code to review code or delegate tasks.

updated Aug 2026

AionUi

32.4k
@iOfficeAI

Open-source 24/7 Cowork app for OpenClaw, Hermes, Claude Code, Codex, OpenCode and 20+ more CLI Agent | Customize your assistants | Team them up|Star if you like it!

updated Aug 2026

Anthropic-Cybersecurity-Skills

31.6k
@mukul975

817 structured cybersecurity skills for AI agents · Mapped to 6 frameworks: MITRE ATT&CK, NIST CSF 2.0, MITRE ATLAS, D3FEND, NIST AI RMF & MITRE F3 (Fight Fraud) · agentskills.io standard · Works with Claude Code, GitHub Copilot, Codex CLI, Cursor, Gemini CLI & 20+ platforms · 29 security domains · Apache 2.0

updated Aug 2026

archify

31.3k
@tt-a1i

Agent skill for beautiful, verifiable architecture, workflow, sequence, data-flow, and lifecycle diagrams—self-contained HTML with motion and crisp export.

updated Aug 2026

code-review-graph

31.0k
@tirth8205

Local-first code intelligence graph for MCP and CLI. Builds a persistent map of your codebase so AI coding tools read only what matters, with benchmarked context reductions on reviews and large-repo workflows.

updated Aug 2026

nanoclaw

30.6k
@nanocoai

A lightweight alternative to OpenClaw that runs in containers for security. Connects to WhatsApp, Telegram, Slack, Discord, Gmail and other messaging apps,, has memory, scheduled jobs, and runs directly on Anthropic's Agents SDK

updated Aug 2026

claude-code-templates

30.4k
@davila7

CLI tool for configuring and monitoring Claude Code

updated Aug 2026

OfficeCLI

29.5k
@iOfficeAI

OfficeCLI is the first and best Office suite purpose-built for AI agents to read, edit, and automate Word, Excel, and PowerPoint files. Free, open-source, single binary, no Office installation required.

updated Aug 2026

gpt-researcher

29.2k
@assafelovic

An autonomous agent that conducts deep research on any data using any LLM providers

updated Aug 2026

serena

28.6k
@oraios

A powerful MCP toolkit for coding, providing semantic retrieval and editing capabilities - the IDE for your agent

updated Aug 2026

diagram-design

28.6k
@cathrynlavery

38 editorial diagram types for Claude Code, Codex, and Pi. Self-contained HTML + SVG. No shadows. No Mermaid slop.

updated Aug 2026

frontend-slides

28.4k
@zarazhangrui

Create beautiful slides on the web using a coding agent's frontend skills

updated Aug 2026

repomix

28.1k
@yamadashy

📦 Repomix is a powerful tool that packs your entire repository into a single, AI-friendly file. Perfect for when you need to feed your codebase to Large Language Models (LLMs) or other AI tools like Claude, ChatGPT, DeepSeek, Perplexity, Gemini, Gemma, Llama, Grok, and more.

updated Aug 2026

claude-hud

27.7k
@jarrodwatts

A Claude Code plugin that shows what's happening - context usage, active tools, running agents, and todo progress

updated Aug 2026

beads

26.7k
@gastownhall

Beads - A memory upgrade for your coding agent

updated Aug 2026

9router

26.6k
@decolua

Unlimited FREE AI coding. Connect Claude Code, Codex, Cursor, Cline, Copilot, Antigravity to FREE Claude/GPT/Gemini via 40+ providers. Auto-fallback, RTK -40% tokens, never hit limits.

updated Aug 2026

cmux

26.6k
@manaflow-ai

Open source Ghostty-based macOS terminal with vertical tabs and notifications for AI coding agents. Built for multitasking, organization, and programmability.

updated Aug 2026
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