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

compass-skills

625
@dongshuyan

司南:个性化 AI 任务总控 Skills 系统 /COMPASS: Personal Alignment Skills OS for AI Agents

updated Jul 2026

claude-code-skills-zh

623
@laolaoshiren

🛠️ 最实用的 Claude Code Skills 合集 | 精选 100+ | 18个原创可安装技能 | 按场景分类 | 复制即装

updated Jul 2026

cavemem

623
@JuliusBrussee

Cross-agent persistent memory for coding assistants. Stored compressed. Retrieved fast. Local by default.

updated Jul 2026

cloud-run-mcp

622
@GoogleCloudPlatform

MCP server to deploy apps to Cloud Run

updated Jul 2026

claude-receipts

622
@chrishutchinson

Bring receipts from your Claude Code sessions

updated Jul 2026

skillgrade

622
@mgechev

"Unit tests" for your agent skills

updated Jul 2026

mcp-link

620
@automation-ai-labs

Convert Any OpenAPI V3 API to MCP Server

updated Jul 2026

claude-code-cli

620
@huangserva

这是 Claude Code 的 CLI 客户端主体(src/ 目录),即整个终端交互层的源码。具体包含: 1. CLI 入口与命令解析 — main.tsx(4684行)、entrypoints/(CLI 模式、SDK 模式、MCP 模式) 2. 终端 UI 渲染 — components/(144 个组件,用 React + Ink 渲染终端界面) 3. 工具系统 — tools/(43 个工具,Bash、文件读写编辑、Grep、Glob、Web 搜索等) 4. API 通信层 — services/api/(与 Anthropic 后端通信) 5. MCP 协议 6. 多 Agent/Team 协作 l 7. 认证与策略 8. 辅助服务 等

updated Jul 2026

claude-engineer

620
@bawadou

A version of command line interface(CLI) that leverages the power of Claude Opus(3-4.7). This framework lets Claude create and manage its own tools on the fly, continuously growing its capabilities through the course of a conversation

updated Jul 2026

phpMyFAQ

617
@thorsten

phpMyFAQ - Open Source FAQ web application for PHP 8.3+ and MySQL, PostgreSQL and other databases

updated Jul 2026

soul.md

616
@aeonfun

The best way to build a personality for your agent. Let Claude Code / OpenClaw ingest your data & build your AI soul.

updated Jul 2026

swarmclaw

615
@swarmclawai

Open-source self-hosted AI agent runtime and multi-agent framework for autonomous agent swarms. Agent memory, MCP tools, schedules, delegation, and 23+ LLM providers (Claude, GPT, Gemini, OpenRouter, Ollama). A practical Claude Code and LangChain alternative.

updated Jul 2026

cloudsword

614
@wgpsec

一款帮助云租户发现和测试云上风险、增强云上防护能力的综合性开源工具

updated Jul 2026

google-search

612
@web-agent-master

A Playwright-based Node.js tool that bypasses search engine anti-scraping mechanisms to execute Google searches. Local alternative to SERP APIs with MCP server integration.

updated Jul 2026

PaperOrchestra

612
@Ar9av

An automated AI research-paper writer based off Google's PaperOrchestra paper's implementation through a skills - benchmark + autoraters using any coding agent (Claude Code, Cursor, Antigravity, Cline, Aider). No API keys, no LLM SDKs.

updated Jul 2026

NadirClaw

611
@NadirRouter

Open-source LLM router & AI cost optimizer. Routes simple prompts to cheap/local models, complex ones to premium — automatically. Drop-in OpenAI-compatible proxy for Claude Code, Codex, Cursor, OpenClaw. Saves 40-70% on AI API costs. Self-hosted, no middleman.

updated Jul 2026

mda

610
@sno-ai

MDA Open Spec — a Markdown superset for agent-facing documents. One .mda source compiles to drop-in SKILL.md, AGENTS.md, MCP-SERVER.md, and CLAUDE.md. JSON Schema validated, with typed dependency graph, footnote relationships, and Sigstore-anchored signatures. For agentskills.io and AAIF runtimes.

updated Jun 2026

google-docs-mcp

610
@a-bonus

The Ultimate Google Docs, Sheets, Drive, Gmail, & Google Calendar MCP Server. This MCP (primarily for use in Claude Desktop) gains full access to your google suite and lets claude do its thing.

updated Jul 2026

mcp-mermaid

609
@hustcc

❤️ Generate mermaid diagram and chart with AI MCP dynamically.

updated Jul 2026

line-bot-mcp-server

607
@line

MCP server that integrates the LINE Messaging API to connect an AI Agent to the LINE Official Account.

updated Jul 2026

swarmvault

607
@swarmclawai

The local-first LLM Wiki: open-source knowledge graph builder, RAG knowledge base, and agent memory store. Built on Andrej Karpathy's pattern. An Obsidian alternative for personal knowledge management, AI second brain, and durable Claude Code / Codex / OpenClaw memory.

updated Jul 2026

codex-mcp-server

604
@tuannvm

MCP server wrapper for OpenAI Codex CLI that enables Claude Code to leverage Codex's AI capabilities directly.

updated Jul 2026

cartographer

604
@kingbootoshi

Claude Code plugin that maps and documents codebases of any size using parallel AI subagents

updated Jul 2026

COG-second-brain

603
@huytieu

Self-evolving second brain with 17 AI skills, 6 worker agents, and people CRM — inspired by Garry Tan's gstack and gbrain. Works with Claude Code, Cursor, Kiro, Gemini CLI, Codex.

updated Jul 2026
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