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

claude-baseline

2
@MokeyBytes

Production-ready Claude Code baseline: safety hooks, auto-formatting for 15+ languages, per-session cost controls, audit logging, and an orchestrated multi-agent system with 10 specialists. Copy it into any project and start coding.

updated May 2026

claude-code-workspace

2
@akashkedian26

How I turned Claude Code into a full-stack product operations OS — a complete reference architecture for building an AI-powered workspace with agents, MCP integrations, hooks, memory, and session continuity.

updated Apr 2026

mapguard

2
@alexh-scrt

mapguard is a CLI security tool that scans npm packages and published JavaScript/TypeScript bundles for accidentally included source map (.map) files that reference or embed original source code. Inspired by real-world incidents like Anthropic's accidental Claude Code source leak via a map file in their npm package, mapguard analyzes local director

updated Apr 2026

agent-memory-template

2
@harrysong961205

Reusable Claude Code project harness — hooks, agents, gates, session tracking, and cross-platform safety for any project

updated May 2026

langfuse-claude-code-plugin

2
@pdhoolia

High-fidelity Langfuse tracing hook for Claude Code — captures multi-step tool-use loops, thinking blocks, and token usage with properly nested observations.

updated Apr 2026

duckdb-claude-skills

2
@ila

Shared Claude Code skills for DuckDB extension development

updated May 2026

skill-creator-plus

2
@yaniv-golan

Based on Anthropic's skill-creator — with bug fixes, working Cowork support, and official best practices baked in. Claude skill for creating, testing, and improving other Claude skills.

updated May 2026

npm-install-checker

2
@galengrimm-code

Claude Code hook that checks npm packages for supply chain risks before installation

updated May 2026

inside-claude-code

2
@Luxshan2000

🔍 Inside Claude Code — Architecture Deep Dive | Flow Diagrams, UML, Sequence Diagrams | How Memory Shrinking, Tool Execution, Permissions & MCP Work Under the Hood

updated Apr 2026

claude-context-hooks

2
@jimovonz

Lightweight hooks for Claude Code that cache large tool outputs to keep your context window clean

updated May 2026

visual-annotator

2
@wernerstrauch

Chrome extension to annotate any web page, capture screenshots & console logs, and copy structured markdown — built for AI coding agents like Claude Code, Cursor, Copilot, and more.

updated Apr 2026

axel-setup

2
@cveralyon

AXEL — Claude Code team configuration package. Additive bootstrap with hooks, agents, commands, skills, and plugins.

updated May 2026

wechat-writer

2
@mosslive1314-hue

AI 驱动的内容创作助手 | 基于 Claude Skill 架构 | 支持朋友圈/公众号/多平台适配 | 跨平台兼容 CoPaw/Claude Code

updated Apr 2026

bilibili-audio-skill

2
@shuolsure

🎵 B站视频音频下载神器!支持单个视频和批量UP主下载,集成 Claude Code Skill 一键调用。自动选择最高音质、断点续传、防封禁设计。

updated Apr 2026

Nightshift

2
@Recusive

Autonomous Agentic Framework.

updated May 2026

bmad-feature-hooks

2
@nocfer

Claude Code hooks that enforce feature-based directory isolation for [BMAD Method](https://github.com/bmadcode/bmad-method) artifact output.

updated Apr 2026

claude-skills

2
@j4rk0r

Curated high-quality skills for Claude Code — skill-advisor and more

updated May 2026

sidecar

2
@nedonatelli

Free, self-hosted AI coding assistant for VS Code — local Ollama models, Anthropic Claude, or any OpenAI-compatible server. Full agent loop with tool use, inline completions, and MCP support.

updated Jun 2026

cast-hooks

2
@ek33450505

CAST hook scripts — lifecycle hooks for Claude Code sessions

updated May 2026

claude-familiar

2
@yaniv-golan

Claude Familiar — customize the Claude Code companion: personality, mood, lore, MCP tools, local reaction server, optional binary patch.

updated May 2026

claude-apex

2
@YousefNabil-SOC

1,276+ skills. 108 agents. 182 commands. Three-layer auto-routing. The most comprehensive Claude Code environment.

updated May 2026

claude-boost

2
@ridges0315

Diagnose, score, and optimize your Claude Code setup — from CLAUDE.md to hooks and keybindings

updated Apr 2026

Loom

2
@Nickalus12

Loom: Weave parallel intelligence into your terminal. An advanced multi-agent orchestrator for Claude Code and Gemini CLI. Loom spins up 22 specialized subagents in parallel—from security auditors to SEO experts—allowing them to debate, debug, and synthesize complex codebases in persistent sessions. gemini-cli-extension

updated Apr 2026

windsurf-mcp

2
@TSchonleber

MCP server + Windsurf extension for real-time IDE collaboration with Claude Code

updated Apr 2026
← PREV01...249250251252253...344NEXT →