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

8261entries
★ starsA–Z name

sub2api

★ 43.9k
@Wei-Shaw

Sub2API 一站式开源中转服务,让 Claude、Openai 、Gemini、Grok订阅统一接入,支持拼车共享,更高效分摊成本,原生工具无缝使用。

updated Oct 2026

herdr

★ 43.9k
@herdrdev

the runtime your coding agents live on

updated Oct 2026

chatbox

★ 42.0k
@chatboxai

Powerful AI Client

updated Oct 2026

claude-howto

★ 41.9k
@luongnv89

A visual, example-driven guide to Claude Code — from basic concepts to advanced agents, with copy-paste templates that bring immediate value.

updated Oct 2026

agents

★ 40.6k
@wshobson

Multi-harness agentic plugin marketplace for Claude Code, Codex, Cursor, OpenCode, GitHub Copilot, Google Antigravity, and Pi

updated Oct 2026

oh-my-claudecode

★ 39.9k
@Yeachan-Heo

Teams-first Multi-agent orchestration for Claude Code

updated Oct 2026

UI-TARS-desktop

★ 39.3k
@bytedance

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

updated Oct 2026

claude-plugins-official

★ 37.8k
@anthropics

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

updated Oct 2026

ai-website-cloner-template

★ 36.7k
@JCodesMore

Clone any website with one command using AI coding agents

updated Oct 2026

awesome-agent-skills

★ 35.7k
@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 Oct 2026

Anthropic-Cybersecurity-Skills

★ 34.4k
@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 Oct 2026

codex-plugin-cc

★ 34.2k
@openai

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

updated Oct 2026

github-mcp-server

★ 33.6k
@github

GitHub's official MCP Server

updated Oct 2026

AionUi

★ 33.5k
@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 Oct 2026

claude-code-templates

★ 32.6k
@davila7

CLI tool for configuring and monitoring Claude Code

updated Oct 2026

code-review-graph

★ 32.1k
@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 Oct 2026

OfficeCLI

★ 32.0k
@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 Oct 2026

nanoclaw

★ 30.9k
@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 Oct 2026

9router

★ 30.8k
@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 Oct 2026

frontend-slides

★ 30.6k
@zarazhangrui

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

updated Oct 2026

serena

★ 30.2k
@oraios

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

updated Oct 2026

gpt-researcher

★ 30.1k
@assafelovic

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

updated Oct 2026

repomix

★ 28.8k
@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 Oct 2026

claude-hud

★ 28.5k
@jarrodwatts

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

updated Oct 2026
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