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

8237entries
★ starsA–Z name

bad-daves-robot-army

59
@dgriffith

Repository for Claude Code artifacts, including subagents, slash commands, and hooks

updated Jul 2026

c0ntextKeeper

59
@Capnjbrown

Automatic context preservation for Claude Code. Never lose work to compaction again. 7 hooks, 187 semantic patterns, 3 MCP tools.

updated May 2026

cc-skills

59
@terrylica

Claude Code Skills Marketplace: plugins, skills for ADR-driven development, DevOps automation, ClickHouse management, semantic versioning, and productivity workflows

updated Jul 2026

execute_code_py

59
@rvantonder

A Claude Code plugin that restricts Claude to ONLY use Python code execution. All other tools are blocked, creating a pure computational environment.

updated Apr 2026

humanizer-de

59
@marmbiz

German AI Text Humanizer for Claude Code & Codex. Audits 66 German AI-writing patterns using deterministic linters and evidence-safe rewrites. No fact-bending, no bypassing tricks.

updated Jul 2026

claude-superskills

59
@ericgandrade

18 Universal AI Skills for Claude Code, GitHub Copilot & 6 more platforms. Meta/orchestration, planning, research, and content — the focused core of the Superskills family.

updated Jul 2026

claude-agent-sdk-skill-autoupdated

59
@xiaolai

[ARCHIVED 2026-05-18] Superseded by anthropic-docs (multi-skill, 30-min refresh)

updated Jul 2026

mcp-atom-of-thoughts

59
@dioptx

MCP server for structured AI reasoning — decompose problems into atomic thoughts with dependency graphs, confidence tracking, and interactive D3.js visualization

updated Jul 2026

jules

59
@jonathanmalkin

A Claude Code Reference Implementation — 30 skills, 23 rules, 9 hooks, 5 agents. Reference implementation for building a personal AI collabtor..

updated Jul 2026

notebooklm-ai-plugin

59
@proyecto26

AI Agent plugin for Google NotebookLM (Claude, OpenClaw, etc) — generate slide decks, audio overviews, videos, mind maps, flashcards, quizzes, infographics, reports, and data tables from your notebooks

updated Jul 2026

zclean

59
@TheStack-ai

AI coding runtime hygiene for Codex, Claude Code, Cursor, Windsurf, MCP servers, and safe workspace caches. Try: npx z-clean audit

updated Jul 2026

paperclip-plugin-acp

59
@mvanhorn

ACP (Agent Client Protocol) runtime plugin for Paperclip - run Claude Code, Codex, and Gemini CLI from any chat platform

updated Jul 2026

claude-plugin-wechat

59
@lc2panda

【多渠道 Claude Code 插件】 微信、飞书/Lark 无缝对接 Claude Code。 支持:文字、图片、文件、语音、视频、远程权限审批、飞书文档

updated Jul 2026

claude-code-blueprint

59
@faizkhairi

A battle-tested, framework-agnostic reference architecture for Claude Code. Beginner-friendly with graduated adoption (minimal / standard / core / full presets). 11 agents, 18 skills, 12 hooks, 6 rules, with reasoning behind every decision.

updated Jul 2026

nvim-mcp

59
@paulburgess1357

MCP server that connects AI agents to your running Neovim instance via msgpack-RPC — no plugins required.

updated Jul 2026

claude-code-setup

59
@tomascortereal

My full Claude Code configuration — agents, skills, hooks, plugins, and global instructions

updated Jul 2026

tool_forge

59
@xiaoxu123195

跨平台桌面工具箱·36+ 工具·AI Chat/翻译/Provider 切换/Claude·Codex 用量洞察·剪贴板/HTTP 调试/取证/编解码/加密。Wails + Go + React + TS

updated Jul 2026

hermes-rs

59
@eikarna

A high-performance Rust implementation of the Hermes-Agent orchestration loop for LLM-driven tool execution.

updated Jul 2026

whois-mcp

58
@bharathvaj-ganesan

MCP Server for whois lookups.

updated Jul 2026

calculator-mcp-server

58
@huhabla

A Model Context Protocol (MCP) server that provides Claude with advanced mathematical calculation capabilities

updated Jul 2026

scheduler-mcp

58
@PhialsBasement

MCP Scheduler is a task automation server that lets you schedule shell commands, API calls, AI tasks, and desktop notifications using cron expressions. Built with Model Context Protocol for seamless integration with Claude Desktop and other AI assistants.

updated Jun 2026

imap-mcp-server

58
@nikolausm

A powerful Model Context Protocol (MCP) server for IMAP email integration with Claude

updated Jul 2026

fast-filesystem-mcp

58
@efforthye

A high-performance Model Context Protocol (MCP) server that provides secure filesystem access for Claude and other AI assistants.

updated Jul 2026

duckdb-acp

58
@sidequery

Use Claude Code & other AI agents from inside DuckDB via extension

updated May 2026
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