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

8240entries
★ starsA–Z name

context7

59.2k
@upstash

Context7 Platform -- Up-to-date code documentation for LLMs and AI code editors

updated Jul 2026

system_prompts_leaks

58.1k
@asgeirtj

Extracted system prompts from Anthropic - Claude Fable 5, Opus 4.8, Claude Code, Claude Design. OpenAI - ChatGPT GPT-5.6, Codex GPT-5.6, GPT-5.5. Google - Gemini 3.5 Flash, 3.1 Pro, Antigravity. xAI - Grok, Cursor, Copilot, VS Code, Perplexity, and more. Updated regularly.

updated Jul 2026

Agent-Reach

56.8k
@Panniantong

Give your AI agent eyes to see the entire internet. Read & search Twitter, Reddit, YouTube, GitHub, Bilibili, XiaoHongShu — one CLI, zero API fees.

updated Jul 2026

last30days-skill

52.3k
@mvanhorn

AI agent skill that researches any topic across Reddit, X, YouTube, HN, Polymarket, and the web - then synthesizes a grounded summary

updated Jul 2026

awesome-claude-code

50.1k
@hesreallyhim

A hand-picked collection of the finest of resources for the most awesome of agents, Claude Code, the undisputed champion of coding companions, from the unstoppable team at Anthropic PBC. A delectable showcase of top tier skills, ambidextrous agents, scintillating status lines, top notch developer tooling, and also we have plugins

updated Jul 2026

cherry-studio

48.6k
@CherryHQ

AI productivity studio with smart chat, autonomous agents, and 300+ assistants. Unified access to frontier LLMs

updated Jul 2026

JeecgBoot

47.1k
@jeecgboot

【低代码 V2.0】AI低代码平台,AI Skills 一句话生成整个系统;一键生成前后端代码甚至整个模块。 AI Skills 一句话画流程、设计表单、生成报表、大屏。内置 AI应用平台涵盖:AI聊天、知识库、流程编排、MCP插件等,兼容主流大模型。引领AI低代码「Skills 生成 → 在线配置 → 代码生成 → 手工合并->AI修改」开发模式,解决 Java 项目 90% 重复工作,提高效率又不失灵活。

updated Jul 2026

chrome-devtools-mcp

47.0k
@ChromeDevTools

Chrome DevTools for coding agents

updated Jul 2026

CowAgent

46.0k
@zhayujie

Open-source super AI assistant & Agent Harness. Plans tasks, runs tools and skills, self-evolves with memory and knowledge. Multi-model, multi-channel. Lightweight, extensible, one-line install. (formerly chatgpt-on-wechat)

updated Jul 2026

nanobot

45.7k
@HKUDS

Lightweight, open-source AI agent for your tools, chats, and workflows.

updated Jul 2026

agentic-awesome-skills

43.4k
@sickn33

Installable GitHub library of 1,900+ agentic skills for Claude Code, Cursor, Codex CLI, Autohand Code, Gemini CLI, Antigravity, and more. Includes specialized plugins, installer CLI, bundles, workflows, and official/community skill collections.

updated Jul 2026

CLIProxyAPI

42.2k
@router-for-me

Wrap Antigravity, ChatGPT Codex, Claude Code, Grok Build as an OpenAI/Gemini/Claude/Codex compatible API service, allowing you to enjoy the free Gemini 3.1 Pro, GPT 5.5, Grok 4.3, Claude model through API

updated Jul 2026

chatbox

41.0k
@chatboxai

Powerful AI Client

updated Jul 2026

LibreChat

40.8k
@danny-avila

Enhanced ChatGPT Clone: Features Agents, MCP, Skills, DeepSeek, Anthropic, AWS, OpenAI, Responses API, Azure, Groq, o1, GPT-5, Mistral, OpenRouter, Vertex AI, Gemini, Artifacts, AI model switching, message search, Code Interpreter, langchain, DALL-E-3, OpenAPI Actions, Functions, Secure Multi-User Auth, Presets, open-source for self-hosting. Active

updated Jul 2026

claude-howto

39.9k
@luongnv89

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

updated Jul 2026

UI-TARS-desktop

38.0k
@bytedance

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

updated Jul 2026

academic-research-skills

38.0k
@Imbad0202

Academic Research Skills for Claude Code: research → write → review → revise → finalize

updated Jul 2026

agents

37.9k
@wshobson

Multi-harness agentic plugin marketplace for Claude Code, Codex CLI, Cursor, OpenCode, GitHub Copilot, and Gemini CLI

updated Jul 2026

oh-my-claudecode

37.8k
@Yeachan-Heo

Teams-first Multi-agent orchestration for Claude Code

updated Jul 2026

sub2api

32.3k
@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 Jul 2026

claude-plugins-official

32.2k
@anthropics

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

updated Jul 2026

codebase-memory-mcp

31.9k
@DeusData

High-performance code intelligence MCP server. Indexes codebases into a persistent knowledge graph — average repo in milliseconds. 158 languages, sub-ms queries, 99% fewer tokens. Single static binary, zero dependencies.

updated Jul 2026

github-mcp-server

31.5k
@github

GitHub's official MCP Server

updated Jul 2026

nanoclaw

30.3k
@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 Jul 2026
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