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

8250entries
★ starsA–Z name

ticktick-mcp

2
@abdulhamid-n

Turn Claude into your AI task manager. Create, manage & complete TickTick tasks just by talking — official OAuth API, local, private.

updated May 2026

python-package-development

2
@Naareman

Claude Code plugin for building Python packages the right way — R-inspired philosophy, 11 reference docs, example package, convention auditor

updated Mar 2026

claude-dev-toolkit

2
@zanebarker-ops

Claude Code development toolkit - hooks, linting, agent prompts, crash-proof sessions, CI gates

updated Jun 2026

claude-skill-ai-news

2
@newyounghe-design

AI News Skill for Claude Code - 自动抓取、分析 AI 领域最新动态,支持深度分析、工具发现、个性化推荐

updated May 2026

MS-Procject-MCP

2
@elsahafy

MCP server for controlling Microsoft Project via COM automation — 79 tools for task, resource, schedule, and baseline management

updated Apr 2026

claude-skills

2
@Imran-ml

Reusable Claude Code configuration repository with skills, subagents, hooks, MCP setup, and examples for bootstrapping new projects.

updated Mar 2026

claude-code-telegram-hooks

2
@itchernetski

Get notifications to Telegram from any Claude Code setup (CLI, Desktop, Cursor etc)

updated Apr 2026

ai-dev-os-plugin-claude-code

2
@yunbow

Claude Code plugin for AI Dev OS — Skills, Hooks, and Agents

updated Mar 2026

ClaudeWatch

2
@chris-peterson

PreToolUse hook that enforces rules beyond Claude Code's built-in permission system

updated Jun 2026

tripod

2
@joryeugene

Tripod: a Claude Code plugin with engineering philosophy (CLAUDE.md), enforcement hooks, and curated skills

updated May 2026

claude-guard

2
@Did-hub

PreToolUse security hook for Claude Code - controls Write, Edit and Bash permissions via allowlists

updated May 2026

claude-hooks-lsp

2
@danielselnick

hooks for claude code to use a LSP

updated Mar 2026

claude-secure-config

2
@Fieldnote-Echo

Security rules, cognitive scaffolding, and hook enforcement for Claude Code — a 3-layer framework for human-AI partnership (hooks → rules → scaffold)

updated Apr 2026

claude-code-multi-agent-research

2
@Dich01

An empirical technical report on building reliable multi-agent Claude Code plugins. This research uncovers critical CLI discrepancies, documents why exit code 2 is the only reliable blocking hook, and provides a framework for complex orchestration.

updated Apr 2026

claude-code-power-setup

2
@billbuchanan-code

Production-grade Claude Code configuration: 23 agents, 27 skills, 12 safety hooks, MCP integrations. A complete guide to building an enterprise-level Claude Code setup.

updated Mar 2026

claude-security-skills

2
@Yashvendra

Claude Code skill for adversarial-grade security audits: full architectural context, ultra-granular function analysis, and novel code vulnerabilities discovery.

updated Mar 2026

claude-dev-kit

2
@marcoguillermaz

Scaffold for legible, reviewable AI-assisted development. Turn Claude Code into a reviewable collaborator with tiered pipelines, 24 audit skills, 11 stacks, MCP server, and Anthropic drift tracking.

updated May 2026

claude_light

2
@PIsberg

claude_light.py is an interactive CLI chat tool for querying and editing a codebase using Claude. By combining Anthropic's prompt caching with a highly optimized hybrid RAG (Retrieval-Augmented Generation) pipeline, it drastically reduces API costs while maintaining full context of your project.

updated May 2026

skills

2
@broomva

Broomva agent-skills monorepo — 48 Tier-2 skills compatible with Claude Code, Codex, Cursor, Gemini CLI, Goose, Copilot. Layout follows anthropics/skills (agentskills.io spec). Install: npx skills add broomva/skills --skill <name>.

updated Jun 2026

claude-skill-karting

2
@sangee06

Claude AI skill — personal karting coach for young Rotax racers. Telemetry analysis, MyChron dashboards, setup advice, Rotax regulations. Ages 7-14. EN/PT.

updated May 2026

claude-recommended-skills

2
@VersoXBT

9 Claude Code skills recommended by Anthropic team — production-ready skills for code review, CI/CD, debugging, scaffolding, data analysis, infrastructure ops, and more. Based on 'Lessons from Building Claude Code' by Thariq @ Anthropic.

updated Mar 2026

llm-bouncer

2
@robinojw

A code quality gate for AI coding agents. Hooks into Claude Code and Codex CLI to catch Go style violations before they land.

updated Apr 2026

claude-worktree-hooks

2
@isoapp

Claude Code hooks for fully functional git worktrees — symlinks node_modules, env files, .vercel, and Claude settings automatically

updated Mar 2026

agentic-scaffold

2
@colliercoder

Comprehensive Claude Code agentic scaffold — workflow rules, auto-memory pipeline, FORGE feature loop, hooks, skills, and flavor packs. Extracted from a production SaaS codebase.

updated May 2026
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