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

8281entries
★ starsA–Z name

claude_extensions

★ 4
@kimon1230

Custom hooks, skills, and rules for Claude Code: adds automatic Python formatting, context persistence across sessions, parallel subagent workflows, and a status line.

updated Jul 2026

ai-tools

★ 4
@nunomazer

Collection of tools and utilities for AI coding agents. Custom status lines, hooks, scripts, and integrations for Claude Code, Cursor, and other AI-powered IDEs.

updated Jun 2026

unity-agent

★ 4
@nyosegawa

Unity × Claude Code 完全自動開発環境 — Unity MCP (com.unity.ai.assistant) + Hooks + Sub-agents + Skills

updated May 2026

agents-md-evals

★ 4
@vltansky

Evaluate and optimize AGENTS.md/CLAUDE.md instruction files through A/B testing. Discover which rules actually change model behavior vs. waste context tokens. Built on Anthropic's skill-creator eval framework.

updated Jul 2026

claude-initial-setup

★ 4
@VersoXBT

75 skills, 14 agents, 15 commands for Claude Code. Plug-and-play starter kit covering TypeScript, Python, Go, Rust, React, Next.js, FastAPI, Django, Docker, CI/CD, security, testing, and more. Cross-AI support for Cursor, Copilot, and Codex.

updated Apr 2026

OBSICLAUDE

★ 4
@CRtheHILLS

✨ AI-powered Obsidian plugin — 20 tools, Magic Write, agentic loops, vault diagnostics. Claude actually touches your vault.

updated Aug 2026

career-architect-harness

★ 4
@10Legs

AI-powered career coaching harness — 8-agent team that transforms skills into tailored resumes, cover letters, and interview prep. Built on Claude Code.

updated Jul 2026

Fireteam

★ 4
@martinnaithani

File-based coordination protocol for AI coding agent squads. Drop .fireteam/ into your project — 2-6 agents coordinate through markdown. No server, no database.

updated May 2026

claude-session-sync

★ 4
@Boulea7

Claude Code 多模型协作的 SESSION_ID 自动管理工具。通过 PreToolUse hooks /skill 在每次 MCP 调用前注入会话状态,防止跨任务上下文丢失和会话混乱

updated May 2026

praxis-skill

★ 4
@AI-flower

Describe any task in natural language — OmniDrive analyzes intent, installs dependencies, and executes automatically.

updated Apr 2026

claude-skills-guide

★ 4
@theluckystrike

2,355 free articles on Claude Code skills, tutorials & comparisons

updated Oct 2026

claude-skills-for-copilot

★ 4
@euxx

GitHub Copilot agent skills adapted from Anthropic Claude plugins and OpenAI Codex Skills

updated Jun 2026

context-mode-jmunch-bridge

★ 4
@shacharbard

Bridge hook and integration guide for running context-mode alongside jCodeMunch + jDocMunch in Claude Code — three MCP servers covering code, docs, and data files with zero conflicts

updated Apr 2026

mcp-video

★ 4
@studiomeyer-io

Cinema-grade video production MCP server — 8 tools for recording, editing, effects, captions, TTS, and smart screenshots. Built on ffmpeg + Playwright.

updated Oct 2026

claude-code-practices

★ 4
@kydechuk01

Interactive AI installer for Claude Code: setup once, keep context across sessions, enforce critical rules with hooks, guard your agent against prompt injections in external content, keep docs from rotting, run parallel subprojects with shared memory. Recipes + practices + adaptive checklist for any field. Written in human language. Russian.

updated Aug 2026

claude-code-kit

★ 4
@This-HW

Claude Code plugin — 33 agents + 16 skills. Planning, implementation, review, security. Listed in Anthropic's community plugin catalog.

updated Sep 2026

mobile-device-mcp

★ 4
@saranshbamania

MCP server for AI-powered mobile device control — 26 tools for screenshots, UI inspection, touch interaction, and AI visual analysis. Supports Anthropic Claude & Google Gemini.

updated Sep 2026

claude-stack-plugin

★ 4
@bdarbaz

Unified Claude Code plugin: 27 skills, 12 agents, 6 hooks, 8 rules. Merges GSD + Superpowers + gstack + Compound + Uncodixfy + ECC into one /s: namespace.

updated Aug 2026

Tierward

★ 4
@marcoguillermaz

Governed AI coding on Claude Code: tiered pipelines, audit skills, MCP server. Claude generates, your or your team decides.

updated Oct 2026

skills

★ 4
@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 Oct 2026

claude-recommended-skills

★ 4
@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 Oct 2026

tvastar-design-claude-code-skill

★ 4
@DevvNirvana

The world's most intelligent frontend design skill for Claude Code: 18 libraries, 24 styles, 86 lint rules, WCAG science built-in.

updated Sep 2026

claude-content-engine

★ 4
@quionie

A content engine for Claude Code: 9 skills, brand memory, an AI slop detector that grades words and structure, and a learning loop that studies what performed.

updated Sep 2026

Claude-Skills

★ 4
@imserhatdemir

A curated collection of 47 custom slash commands for Claude Code. Code review, security audits, architecture design, DevOps, and workflow automation — organized into 7 categories. Built for .NET/Blazor/TypeScript stacks, easily adaptable to any.

updated Apr 2026
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