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

ralph-orchestrator

★ 3.2k
@mikeyobrien

An improved implementation of the Ralph Wiggum technique for autonomous AI agent orchestration

updated Oct 2026

sepia

★ 3.2k
@Nanako0129

De-AI writing skill for any Agent Skills-compatible agent (77+ via the Skills CLI), with native plugins for Claude Code, Codex, Grok Build, and Antigravity. Narrative-architecture repair for fiction, venue-matched rules for professional prose. Based on StoryScope (arXiv:2604.03136).

updated Oct 2026

vibe-coding-prompt-template

★ 3.1k
@KhazP

Templates and workflow for generating PRDs, Tech Designs, and MVP and more using LLMs for AI IDEs

updated Oct 2026

crystal

★ 3.1k
@stravu

(Crystal is now Nimbalyst) Run multiple Codex and Claude Code AI sessions in parallel git worktrees. Test, compare approaches & manage AI-assisted development workflows in one desktop app.

updated Oct 2026

Autonomous-Company

★ 3.1k
@MaxMiksa

An autonomous company working 24/7 on your own PC - Windows/Linux/macOS.

updated Oct 2026

claudecode.nvim

★ 3.1k
@coder

🧩 Claude Code Neovim IDE Extension

updated Oct 2026

oh-my-mermaid

★ 3.1k
@oh-my-mermaid

Turn complex codebases into clear, navigable architecture diagrams with Claude Code.

updated Oct 2026

WindsurfAPI

★ 3.1k
@dwgx

Turn Windsurf / Devin Desktop's 100+ AI models (Claude, GPT, Gemini, DeepSeek, Kimi, GLM, SWE) into OpenAI-, Anthropic- & Gemini-compatible APIs. Zero-dependency self-hosted reverse proxy for Claude Code, Cline & Cursor. 把 Windsurf/Devin 云端 100+ 模型变成三套兼容 API。

updated Oct 2026

collab-public

★ 3.1k
@collabs-inc

Collaborator is a place to create with agents.

updated Oct 2026

cc-gateway

★ 3.1k
@motiful

AI API identity gateway — reverse proxy that normalizes device fingerprints and telemetry for privacy-preserving API proxying

updated Oct 2026

OpenClaw-Medical-Skills

★ 3.1k
@FreedomIntelligence

The largest open-source medical AI skills library for OpenClaw🦞.

updated Oct 2026

redamon

★ 3.1k
@samugit83

Open-source, self-hosted AI penetration testing framework: maps your attack surface into a graph, autonomously exploits it from a Kali sandbox with human approval gates, and opens PRs that fix what it finds. MCP both ways: plug in any MCP server as a tool, or drive RedAmon from Claude Code or your own agent.

updated Oct 2026

narrator-ai-cli-skill

★ 3.0k
@NarratorAI-Studio

AI 解说大师 — Agent skill;封装 narrator-ai-cli 供 Claude/Codex 等工具调用

updated Oct 2026

token-monitor

★ 3.0k
@Javis603

Local-first desktop widget for tracking token usage, costs, limits, and session activity across 44+ AI coding tools—including Claude Code, Codex, Cursor, OpenCode, OpenClaw, and more—with multi-device sync.

updated Oct 2026

cindy

★ 3.0k
@makecindy

Consider it done. The open-source AI agent that works out of the box · 想到,就能做到。开源、开箱即用的 AI Agent。

updated Oct 2026

agent-rules-books

★ 3.0k
@ciembor

AGENTS.md rules / skills for AI coding agents: Codex, Cursor & Claude Code. Inspired by Clean Code, Refactoring, DDD, Clean Architecture and DDIA programming books.

updated Oct 2026

ddgs

★ 3.0k
@deedy5

A metasearch library that aggregates results from diverse web search services

updated Oct 2026

Silex

★ 3.0k
@silexlabs

Silex is an online tool for visually creating static sites with dynamic data. With the free/libre spirit of internet, together.

updated Oct 2026

J-Space-Cognition-Suite

★ 3.0k
@Tiger3807861189

J-Space Cognition Suite — a model-agnostic inference-time control suite for deep reasoning, long-horizon work, verification, and recovery. Based on Anthropic's J-space global workspace research.

updated Oct 2026

ralphy

★ 3.0k
@michaelshimeles

My Ralph Wiggum setup, an autonomous bash script that runs Claude Code, Codex, OpenCode, Cursor agent, Qwen & Droid in a loop until your PRD is complete.

updated Oct 2026

opengap

★ 3.0k
@open-gitagent

A framework-agnostic, git-native standard for defining AI agents

updated Oct 2026

natively-cluely-ai-assistant

★ 3.0k
@Natively-AI-assistant

Natively — Free open-source AI meeting assistant, interview copilot, and note taker. The best alternative to Cluely, Otter, Granola, Final Round AI, Fireflies, and Interview Coder. Real-time transcription, AI meeting notes, lecture recording, local RAG, BYOK, and stealth mode. Runs locally. No subscriptions. No data breaches.

updated Oct 2026

anti-defensive-writing-Skill

★ 3.0k
@Adkid-Zephyr

极致轻量|阻止论文的防御性写作 | Anti-defensive writing for academic papers — 学术写作原则 Skill + prompt pack (CN/EN)

updated Oct 2026

js-reverse-mcp

★ 2.9k
@zhizhuodemao

AI Agent-first JS 逆向 MCP Server:有头 Chrome 调试、断点、网络/WebSocket 分析、Patchright 反检测,可选 CloakBrowser。

updated Oct 2026
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