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

repo-business-context

3
@issouza

Business context for AI agents. 5-minute setup, zero conflicts. One Claude skill that keeps your AI aligned with your product as you build and ship.

updated Jun 2026

codepause-extension

3
@codepause-dev

VS Code extension to track AI coding assistant usage and maintain code quality. Works with Copilot, Cursor, Claude Code & more. 100% private, local data.

updated Jun 2026

Opencode-Intern-Claude-Code-Skill

3
@smadgerano

Use Opencode in Claude through ACP

updated Jun 2026

agent-skills

3
@taipt1504

Claude Code plugin for Java Spring backend — 21 skills, 9 agents, 17 hooks, TDD workflow enforcement. Hook-bootstrapped harness with skill auto-routing, verify/fix loops, multi-agent spawning, and session memory.

updated May 2026

azure-gpt-proxy

3
@InCerryGit

A lightweight .NET proxy that routes Anthropic Claude Code Messages API to Azure OpenAI (chat/completions & responses), with SSE streaming, tool calls, and Cursor compatibility.

updated Feb 2026

marketplace

3
@Mearman

Plugin marketplace distributing extensions that add skills, commands, hooks and custom agents to the code environment.

updated Jul 2026

AI-Text-Tools

3
@Netropolitan

AI-powered text transformation for Windows. Select text anywhere, press a hotkey, and transform it using OpenAI, Anthropic Claude, Google Gemini, or local Ollama models.

updated Apr 2026

claude_api_cookbook

3
@ArchieCur

A comprehensive cookbook of Python examples and patterns for building applications with the Anthropic Claude API. Covers prompting, tool use, RAG systems, agents, workflows, and more - from basics to production-ready implementations.

updated Jun 2026

claude-code-docs-plugin

3
@marcusabu

Claude Code documentation plugin - auto-synced reference for features, configuration, skills, agents, hooks, and MCP servers.

updated Jul 2026

harvey-specter-uae

3
@kess-1995

I don't play the odds, I play the man." Your closer for UAE legal questions. Elite legal AI for founders covering startup formation, healthcare licensing, employment law, and contracts.

updated Jun 2026

claude-permission-hook

3
@shaxxx

Claude Code hook as workaround for a bug in Claud Code allowed tools permission matching

updated May 2026

toolguard

3
@arnonmoscona

toolguard is a drop-in replacement hook for the code permissions system for Bash, Read, Write, EDT tools and optionally other tools that use bash. It overcomes some of the claude code bugs and adds new features.

updated Jul 2026

splatworld-extension

3
@leftysplat

Claude Code plugin for iterative 3D splat generation with taste learning

updated Jul 2026

auto-harness

3
@zircote-plugins

Hook-driven test framework for Claude Code plugins - automates integration testing with YAML/JSON test definitions, variable capture, and rich reporting

updated Jul 2026

10x-browser-extension

3
@10x-Anit

Universal browser extension for Claude Code automation. Control any website via WebSocket. Supports LinkedIn, Instagram, Twitter, Google + universal DOM manipulation.

updated Mar 2026

aimaestro-slack-bridge

3
@23blocks-OS

Connect Slack to your Claude Code agents - Zero API costs, full context retention, custom skills & hooks. Unlike official Claude for Slack, we connect to your RUNNING agents.

updated Jun 2026

ddd-skill

3
@deeparchi-ai

`Domain-Driven Design modeling and architecture guidance skill for AI agents

updated Jun 2026

skill-olympus

3
@Dannykkh

Twelve Greek gods. One command. A working SaaS. 98 skills + 49 agents + 13 hooks for Claude Code + Codex CLI + Gemini CLI. Cross-CLI persistent memory, zero-interaction full pipeline (design → build → inspect → test → ship).

updated Jul 2026

permission-hook

3
@tantk

Fast permission hook for Claude Code and other AI coding assistants

updated May 2026

refined-claude-code-on-the-web

3
@pisrcio

A Chrome extension to enhance the Claude Code on the web experience with improved code editing capabilities.

updated Apr 2026

claude-task-manager

3
@devgonzui-ai

Task management extension for Claude Code with archiving and history

updated Jul 2026

claude-code-nova

3
@PascalPixel

Claude Code AI assistant extension for Panic Nova editor

updated Jun 2026

bearly

3
@beorn

Claude Code plugins and extensions

updated Jul 2026

claude-lens

3
@radumardale

TUI for managing Claude Code plugins, MCP servers, agents, skills, and commands

updated Jul 2026
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