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

8241entries
★ starsA–Z name

perplexity-mcp

15
@Family-IT-Guy

A lightweight, easy-to-use Model Context Protocol (MCP) implementation that seamlessly integrates Perplexity's powerful AI models into Claude Desktop. This bridge lets Claude access Perplexity's search and reasoning capabilities through Anthropic's standardized tool interface.

updated Jul 2026

automagik-tools

15
@namastexlabs

From API to AI in 30 Seconds - Transform any API into an intelligent MCP agent that learns, adapts, and speaks human

updated Mar 2026

claude

15
@bendrucker

My personal plugin marketplace and settings for Claude Code

updated Jul 2026

claude-code-checkpointing-hook

15
@Ixe1

This hook integrates with Claude Code to automatically create git checkpoints (snapshots) of your code before any file modifications. It provides a safety net allowing you to easily restore previous states if needed, without interfering with your main git repository.

updated Jan 2026

Claude-Agent-System

15
@Kasempiternal

Claude Code plugin for deep research, guarded Codex delegation, deliberate Agent Teams, and focused safety hooks.

updated Jul 2026

MarkSight

15
@Rinava

Browser-only Markdown editor that packages any document into a Claude Agent Skill (SKILL.md / .skill bundle) in one click — and exposes an MCP server for Claude Code. Live preview, GFM tables, Mermaid, Prism, HTML/PDF export. No account, 100% local. Next.js + React.

updated Jul 2026

obsidian-agent

15
@WhiskeyJack96

An obsidian plugin providing an acp client implementation. This allows you to use claude-code or gemini-cli directly in obsidian!

updated Jun 2026

claude-plugins

15
@sgaunet

A curated collection of specialized Claude Code plugins designed to enhance your development workflow with intelligent agents, skills, and commands.

updated Jul 2026

claude

15
@gitbutlerapp

Claude Code plugin for GitButler

updated Jul 2026

product-spec-kit

15
@diegoeis

Leverage AI to create, refine, and maintain your product specifications. Made to be used in LLMs and IDEs.

updated Jun 2026

connectonion-claude-plugin

15
@openonion

Official ConnectOnion Claude Code plugin - Build AI agents correctly with documentation-grounded code review and agent builder

updated Jun 2026

Claude-Image-Production-Plugin

15
@danielrosehill

Claude Code plugin for image processing, photo editing, batch image operations, and visual media management.

updated Jul 2026

oblique-skill

15
@jakedahn

Oblique Strategies plugin for Claude Code - lateral thinking prompts for vibecoding

updated Jun 2026

claude-conductor

15
@lackeyjb

Context-Driven Development framework for Claude Code. Inspired by https://github.com/gemini-cli-extensions/conductor

updated Jul 2026

skills

15
@schwepps

Claude Code skills marketplace - documentation-based skills that extend Claude Code with specialized workflows

updated Jul 2026

claude-d2-diagrams

15
@heathdutton

A Claude Code plugin that generates infrastructure and architecture diagrams (and documentation) from your codebase using D2

updated Jul 2026

claude-ctags

15
@DevonMorris

Claude Code plugin that auto-generates ctags index for efficient code navigation, reducing token usage by ~80%

updated May 2026

rhdh-skill

15
@redhat-developer

Claude Code skill for RHDH plugin lifecycle management

updated Jul 2026

claude-docu-optimizer

15
@kojott

Claude Code plugin for optimizing CLAUDE.md and docs/ ecosystem. Token analysis, anti-pattern detection, semantic sync, project stage detection.

updated Jun 2026

customgpt-claude-quadruple-verification

15
@kirollosatef

Quality gate plugin for Claude Code — blocks insecure, incomplete, and hallucinated AI output. 4 cycles, 28 rules, zero dependencies.

updated Jul 2026

claude-sounds

15
@mikedotcook

A tiny macOS menu bar app to control the volume of your Claude Code hook sounds.

updated Jul 2026

contentforge

15
@indranilbanerjee

Open-source enterprise content production plugin — 21 skills, 13 agents, 11 quality gates, 29-pattern AI humanizer, fact-checker, real .docx output with C2PA signing (EU AI Act Article 50 ready). Installs on Claude Code, Cowork, Codex, Cursor, Copilot CLI, Antigravity. By Indranil Banerjee (indranil.in).

updated Jul 2026

claude-code-sounds

15
@ryparker

Sound themes for Claude Code lifecycle hooks

updated Mar 2026

agent-skills

15
@2ykwang

Skills for AI coding agents

updated Jul 2026
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