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

claude-vs-ext-web

3
@dreamhunter2333

Web-based Claude Code interface - Run VSCode Claude Code extension in browser

updated Jun 2026

be-kind-agent

3
@andrewxhill

Intercept and rewrite unkind prompts before they reach your coding agent. Hooks for Claude Code, Codex CLI, and Pi.

updated Apr 2026

claude-donna

3
@oliverhaas

Personal Claude Code plugin — skills, agents, and hooks for the full stack

updated Jul 2026

aicrew

3
@AKSoftCode

TDD-first AI dev pipeline for Claude Code, Cursor, Codex, Gemini CLI & Antigravity. /dev /fix /quick + token-saving hooks. npx aicrew install

updated Jul 2026

claude-code-survival-toolkit

3
@DeveloperAlly

Community repair toolkit for Claude Code VS Code extension. 12 confirmed root causes, 9 fix scripts, 7 governance hooks. Built from 320 sessions of pain.

updated May 2026

arra-safety-hooks

3
@Soul-Brews-Studio

Claude Code safety hooks — enforcement over documentation

updated May 2026

AgentDebate

3
@DFerryman

A VS Code extension powered by the Agent Client Protocol that orchestrates multiple AI agent CLIs — including Claude Code, OpenCode, and Codex — into a roundtable discussion. Give it a topic, watch the agents deliberate, and get a synthesized final result.

updated Mar 2026

aiclair

3
@HugoLopes45

Community framework for AI assistant hooks — write once, run across Claude Code, Cursor, Codex and more

updated Jun 2026

claude-code-sound-hooks

3
@AIBiz-Automatyzacje

Dźwięki systemowe po zdarzeniach w Claude Code. Słyszysz kiedy Claude Code skończył zadanie.

updated Apr 2026

claude-forge

3
@brunobracaioli

One command to scaffold the complete .claude/ directory for Claude Code. Templates, rules, agents, hooks, and stack-specific presets. Bootstrap any project in seconds.

updated Jul 2026

harness-optimizer

3
@CaesiumY

Claude Code skill that diagnoses and improves harness configurations based on 8 design principles from Anthropic's harness design article

updated May 2026

claude-skill-gpt-pro

3
@199-biotechnologies

Claude Code skill for cross-model review. One command packages files + prompt for ChatGPT Pro deep reasoning.

updated Jun 2026

claude-os

3
@justnau1020

An operating system for Claude Code. Skills, hooks (MCR), and a lean-context framework for smarter AI coding sessions.

updated Jun 2026

claudecode-architecture-guide-skill

3
@chenluda

An AI Agent Skill distilled from Claude Code (~1,900 files, 510K+ lines of TypeScript) — Anthropic's agentic CLI for software engineering. Use it to build new systems from scratch or retrofit architecture patterns into existing ones.

updated Apr 2026

app-tester-skill

3
@markgravity

Claude Code skill for testing iOS/macOS app navigation flows without screenshots. Builds a persistent screen graph, instruments Swift files, and drives flows via accessibility tree + console logs.

updated Jun 2026

Metis

3
@SVerITG

A Research Cortex. A research companion for Claude. Your library, notes & memory stay on your machine; answers cited from your own library; 30+ specialist skills; auto cross-pollination across papers, meetings, ideas, notes & journal; weekly self-review that drafts improvements for your approval. Reasoning runs on the Claude API.

updated Jul 2026

claude-tokenomics-skill

3
@0xFannie

Claude Skill: structured crypto tokenomics expertise (design, TGE, vesting, compliance, GAAP)

updated May 2026

ward

3
@Battle-Creek-LLC

Claude Code hook CLI — PII guard, leak detection, event logging

updated May 2026

stellavault

3
@Evanciel

Notes die in folders. Stellavault keeps your knowledge alive — 3D knowledge graph, AI semantic search, memory decay tracking, P2P federation, 17+ MCP tools. npm i -g stellavault

updated Jun 2026

claude-security-audit

3
@tdccccc

A Claude Code skill that audits your configuration for malicious hooks, MCP servers, and suspicious commands

updated May 2026

claw-plus-plus

3
@bryhuang9

⚡ High-performance AI coding agent for the terminal, built in modern C++23. Multi-provider LLM support (Anthropic, OpenAI, Ollama), 9 built-in tools, interactive REPL, and session persistence.

updated Apr 2026

axel-setup

3
@cveralyon

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

updated Jun 2026

Nightshift

3
@Recusive

Autonomous Agentic Framework.

updated Jun 2026

claude-forge

3
@codebysantosh-eng

Development system for Claude Code — agents, commands, hooks, skills, and rules

updated Apr 2026
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