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

whodb

★ 5.0k
@clidey

Where data access meets operational intelligence

updated Oct 2026

avoid-ai-writing

★ 5.0k
@conorbronsdon

Skill that audits and rewrites content to remove AI writing patterns. Use it with your favorite agents including Claude Code, OpenClaw, Codex, and Hermes.

updated Oct 2026

all-api-hub

★ 4.9k
@qixing-jk

All-in-one New-API/Sub2API account hub: balance/usage dashboard, auto check-in, one-click keys, price comparison, health checks, plus advanced channel management | 一站式 New-API/Sub2API 等中转站账号管理:余额/用量看板、自动签到、密钥一键使用、价格对比、可用性测试,另提供高级渠道管理

updated Oct 2026

OpenMausBot

★ 4.8k
@milind-soni

Open-source Grok Bot alternative with a virtual machine that bots can use

updated Oct 2026

obsidian-second-brain

★ 4.8k
@eugeniughelbur

Persistent memory for Claude Code and 6 other CLI agents, stored as plain markdown in your Obsidian vault. Stop re-explaining your projects, decisions and people every session. 45 commands: hybrid semantic search, self-rewriting notes, key-less web research, and scheduled agents that maintain the vault while you sleep.

updated Oct 2026

google-ads-meta-ads-mcp

★ 4.7k
@irinabuht12-oss

Google Ads MCP server + Meta Ads MCP (Facebook Ads MCP) + Google Analytics MCP (GA4) + Search Console in one hosted remote MCP for Claude, ChatGPT, Cursor & n8n: OAuth login, no API keys, approval-gated writes, 7-day free trial. By Ryze AI.

updated Oct 2026

deep-research

★ 4.7k
@u14app

Use any LLMs (Large Language Models) for Deep Research. Support SSE API and MCP server.

updated Oct 2026

cost-xray

★ 4.7k
@tigerless-labs

See what Claude Code and Codex actually send to the API — and what each part costs.

updated Oct 2026

claude-code-guide

★ 4.7k
@zebbern

Claude Code Guide - Setup, Commands, workflows, agents, skills & tips-n-tricks from beginner to power user!

updated Oct 2026

linkedin-skills

★ 4.7k
@sergebulaev

Claude skills for LinkedIn. 11 Claude Code and Codex skills that write human-sounding LinkedIn posts, craft comments that get noticed, analyze your feed, and build a publishing cadence, all from your terminal. Content engineering by Creative Content Crafts. MIT.

updated Oct 2026

claude-plugins-community

★ 4.6k
@anthropics

Community plugin marketplace for Claude Cowork and Claude Code. Read-only mirror — submit plugins at clau.de/plugin-directory-submission.

updated Oct 2026

everything-claude-code

★ 4.6k
@WorldFlowAI

Claude Code toolkit - agents, commands, skills, rules, and hooks for productive AI-assisted development

updated Oct 2026

council-of-high-intelligence

★ 4.6k
@0xNyk

Structured multi-perspective deliberation for hard decisions. Run full councils, focused triads, or duo debates across Claude Code, Codex, Gemini CLI, and OpenCode.

updated Oct 2026

csharp-sdk

★ 4.6k
@modelcontextprotocol

The official C# SDK for Model Context Protocol servers and clients. Maintained in collaboration with Microsoft.

updated Oct 2026

awesome-openclaw-tutorial

★ 4.6k
@xianyu110

OpenClaw 中文教程(4500+ Star · 已出版纸质书):安装、配置、Skills、飞书接入与避坑|作者的 GPT-6 / Codex / Claude Code 新项目见 README 顶部

updated Oct 2026

dsh-TUI

★ 4.6k
@ccch1mneyyy

DSH's officially top-recommended TUI plugin — high performance, low overhead, cute pixel whale, smooth mouse interaction. One-command install via npm. / DSH 官方首推的 TUI 插件,高性能低占用,可爱像素鲸鱼,流畅鼠标交互,npm 一键安装

updated Oct 2026

desktop-cc-gui

★ 4.5k
@zhukunpenglinyutong

Multi-engine AI coding desktop client (Tauri). Claude Code, Codex, Gemini, OpenCode, DeepSeek Harness and more in one GUI.

updated Oct 2026

marketing-skills

★ 4.4k
@irinabuht12-oss

Claude skills for marketing: 49 free marketing skills for Claude Code and claude.ai (Google Ads, Meta Ads, SEO, AI visibility) + the Ryze Google Ads MCP / Meta Ads MCP: claude mcp add ryze --transport http https://connector.get-ryze.ai/mcp

updated Oct 2026

Unity-MCP

★ 4.4k
@IvanMurzak

AI Skills, MCP Tools, and CLI for Unity Engine. Full AI develop and test loop. Use cli for quick setup. Efficient token usage, advanced tools. Any C# method may be turned into a tool by a single line. Works with Claude Code, Gemini, Copilot, Cursor and any other absolutely for free.

updated Oct 2026

Observal

★ 4.4k
@Observal

Observal is self-hosted registry for your coding agent extensions with a built in insight engine. Setup Observal, define the scope and share your Skills, MCPs and Agents with your peers.

updated Oct 2026

mcpo

★ 4.4k
@open-webui

A simple, secure MCP-to-OpenAPI proxy server

updated Oct 2026

mcp-server-chart

★ 4.4k
@antvis

🤖 A visualization mcp & skills contains 25+ visual charts using @antvis. Using for chart generation and data analysis.

updated Oct 2026

archestra

★ 4.4k
@archestra-ai

Enterprise AI Platform with guardrails, MCP registry, gateway & orchestrator

updated Oct 2026

flint-chart

★ 4.4k
@microsoft

🪄 Flint is a visualization language that lets AI agents reliably create expressive, good-looking charts from simple, human-editable chart specs.

updated Oct 2026
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