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

headroom

★ 75.3k
@headroomlabs-ai

Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. 20% fewer tokens for coding agents, 60-95% fewer tokens for JSON, same answers. Library, proxy, MCP server.

updated Oct 2026

ruflo

★ 74.6k
@ruvnet

🌊 The original agent harness. Deploy intelligent multi-player swarms, coordinate autonomous workflows, and build conversational AI systems. Features adaptive memory, self-learning intelligence, federation, vector RAG integration, and native Claude Code / Codex / Hermes and many more Integrated

updated Oct 2026

career-ops

★ 74.4k
@career-ops-hq

Open-source AI job search agent and job finder: scan job boards, score each job 1-5 against your CV before you apply, tailor an ATS-friendly resume and cover letter, get interview prep and a job application tracker. It helps you fill in each application; you press Submit. Runs locally in your AI coding CLI (Claude Code, Codex, OpenCode and more).

updated Oct 2026

system_prompts_leaks

★ 69.6k
@asgeirtj

Documented system prompts from Anthropic - Claude Fable 5.1, Opus 5.5, Claude Design, Claude Code. OpenAI - ChatGPT GPT-6-Astra, Codex. Google - Gemini 3.8 Flash, 3.1 Pro, Antigravity. xAI - Grok, Grok Bot, Cursor, Kimi and more! Updated regularly.

updated Oct 2026

claude-code-best-practice

★ 67.5k
@shanraisshan

from vibe coding to agentic engineering - practice makes claude perfect

updated Oct 2026

get-shit-done

★ 64.3k
@gsd-build

A light-weight and powerful meta-prompting, context engineering and spec-driven development system for Claude Code by TÂCHES.

updated Oct 2026

last30days-skill

★ 64.2k
@mvanhorn

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

updated Oct 2026

context7

★ 63.0k
@upstash

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

updated Oct 2026

TrendRadar

★ 62.9k
@sansan0

⭐AI-driven public opinion & trend monitor with multi-platform aggregation, RSS, and smart alerts.🎯 告别信息过载,你的 AI 舆情监控助手与热点筛选工具!聚合多平台热点 + RSS 订阅,支持关键词精准筛选。AI 智能筛选新闻 + AI 翻译 + AI 分析简报直推手机,也支持接入 MCP 架构,赋能 AI 自然语言对话分析、情感洞察与趋势预测等。支持 Docker ,数据本地/云端自持。集成微信/飞书/钉钉/Telegram/邮件/ntfy/bark/slack 等渠道智能推送。

updated Oct 2026

humanizer

★ 56.6k
@blader

Agent skill that removes signs of AI-generated writing from text

updated Oct 2026

awesome-claude-code

★ 55.6k
@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 (no affiliation). A delectable showcase of top tier skills, ambidextrous agents, scintillating status lines, top notch developer tooling, and also we have plugins

updated Oct 2026

CLIProxyAPI

★ 55.1k
@router-for-me

Wrap Antigravity, ChatGPT Codex, Claude Code, Grok Build, Muse Code, Devin as an OpenAI/Gemini/Claude/Codex compatible API service, allowing you to enjoy the free Gemini Series, GPT Series, Grok Series, Claude model through API

updated Oct 2026

marketingskills

★ 54.6k
@coreyhaines31

Marketing skills for Claude Code and AI agents. CRO, copywriting, SEO, analytics, and growth engineering.

updated Oct 2026

diagram-design

★ 54.3k
@cathrynlavery

Editorial diagram design for Claude Code, Codex, GitHub Copilot, Cursor, Factory Droid, and Pi. 44 diagram types. Self-contained HTML + SVG. No shadows. No Mermaid slop.

updated Oct 2026

chrome-devtools-mcp

★ 53.5k
@ChromeDevTools

Chrome DevTools for coding agents

updated Oct 2026

cherry-studio

★ 52.6k
@CherryHQ

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

updated Oct 2026

academic-research-skills

★ 51.8k
@Imbad0202

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

updated Oct 2026

JeecgBoot

★ 48.2k
@jeecgboot

【低代码v2.0,一句话即可生成整个系统】企业级AI低代码平台,一键生成前后端代码甚至整个系统。 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 Oct 2026

agentic-awesome-skills

★ 47.6k
@sickn33

AAS Core is the local, agent-first control plane for complete catalog discovery, agent-owned selection, stack validation, and planning, backed by 2,400+ agentic skills. Includes CLI, local MCP, catalog, plugins, and Workbench.

updated Oct 2026

CowAgent

★ 47.4k
@zhayujie

Open-source personal AI assistant & Agent Harness. Plans tasks, runs tools and skills, self-evolves with memory and knowledge. Multi-agent, multi-model, multi-channel. Lightweight, extensible, one-line install.

updated Oct 2026

ai-job-search

★ 46.6k
@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 Oct 2026

codebase-memory-mcp

★ 46.5k
@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 Oct 2026

LibreChat

★ 45.6k
@LibreChat-AI

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 Oct 2026

reactive-resume

★ 44.2k
@reactive-resume

A one-of-a-kind resume builder that keeps your privacy in mind. Completely secure, customizable, portable, open-source and free forever. Try it out today!

updated Oct 2026
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