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

llm-docs-optimizer

60
@alonw0

A Claude Code plugin that optimizes documentation for AI coding assistants like Claude, GitHub Copilot, and other LLMs. Makes your docs more effective through c7score optimization, llms.txt generation, question-driven restructuring, and automated quality scoring.

updated May 2026

workflowy

60
@mholzen

Powerful CLI and MCP server for WorkFlowy: reports, search/replace, backup support, and AI integration (Claude, LLMs)

updated May 2026

claude-code-gemini-manager-skill

60
@alchemiststudiosDOTai

Claude Code plugin that manages Gemini CLI as an intern. Claude acts as manager/architect while Gemini does all coding work.

updated Apr 2026

claude-sail

60
@ntanner-ctrl

Claude Code extensions: Bootstrap Toolkit + Ops Starter Kit

updated May 2026

shipyard

60
@lgbarn

Structured project lifecycle plugin for Claude Code — from idea to production with discipline, parallel agents, and quality gates.

updated May 2026

zellaude

60
@ishefi

Claude Code-aware status bar plugin for Zellij

updated Jun 2026

creative-director-skill

60
@smixs

AI Creative Director skill for Claude, GPT, Gemini — 20+ methodologies (SIT, TRIZ, Bisociation, SCAMPER), Cannes-calibrated scoring, recursive refinement. Insight → Ideation → Evaluation → Presentation.

updated Jun 2026

openclaw-knowledge-distiller

60
@destinyfrancis

Open CLAW Knowledge Distiller · 龍蝦知識蒸餾器 — Turn YouTube/Bilibili videos into structured knowledge articles. Local Qwen3-ASR MLX + AI summarization. MCP server for Claude Code / Open CLAW agents.

updated May 2026

buyer-eval-skill

60
@salespeak-ai

B2B software vendor evaluation skill for Claude Code — domain-expert questions, vendor AI agent conversations, evidence-based scoring

updated May 2026

claude-leverage

60
@Filip-Podstavec

Make any repo AI-first - write sustainable code from the start, or refactor a legacy codebase to prepare it for agent-driven development.Building blocks for Claude Code: subagents, slash commands, hooks, and workflow patterns. Copy what you need. A working developer's stack for Claude Code.

updated Jun 2026

claude-ai-toolkit

59
@ramonclaudio

Python wrapper and CLI for Anthropic's Claude models, with vision.

updated Apr 2026

n8n-manager-for-ai-agents

59
@czlonkowski

MCP server for Claude Desktop to manage your n8n workflows

updated May 2026

context-optimizer-mcp-server

59
@malaksedarous

A Model Context Protocol (MCP) server that provides context optimization tools for AI coding assistants including GitHub Copilot, Cursor AI, Claude Desktop, and other MCP-compatible assistants enabling them to extract targeted information rather than processing large terminal outputs and files wasting their context.

updated May 2026

c0ntextKeeper

59
@Capnjbrown

Automatic context preservation for Claude Code. Never lose work to compaction again. 7 hooks, 187 semantic patterns, 3 MCP tools.

updated May 2026

specswarm

59
@MartyBonacci

SDD Specification driven development orchestration plugins for Claude Code.

updated May 2026

devrag

59
@tomohiro-owada

Markdown vector search MCP server for Claude Code. Natural language search for markdown files using multilingual-e5-small embeddings.

updated May 2026

anthropic-max-router

59
@nsxdavid

Dual API router (Anthropic + OpenAI compatible) for Claude MAX Plan - Use flat-rate billing with ANY AI tool: OpenAI SDK, LangChain, Anthropic SDK, and more

updated May 2026

craftdesk

59
@mensfeld

Package manager for Claude Code skills and agents and other AI related resources

updated May 2026

awesome-claude-skills

59
@Mann1988

📊 Explore high-quality Claude skills focused on business analysis and content creation, enhancing your AI capabilities for practical applications.

updated Jun 2026

speckit-companion

59
@alfredoperez

VS Code extension for spec-driven development — manage specs, workflows, and steering docs for AI CLI tools (Claude Code, Gemini CLI, Copilot CLI)

updated May 2026

execute_code_py

59
@rvantonder

A Claude Code plugin that restricts Claude to ONLY use Python code execution. All other tools are blocked, creating a pure computational environment.

updated Apr 2026

claude-cli-advanced-starter-pack

59
@evan043

Advanced Claude Code CLI toolkit - agents, hooks, skills, MCP servers, phased development, site intelligence dev-scan, and GitHub integration

updated May 2026

delphi-dev

59
@adrianosantostreina

Delphi development expert plugin for Claude Code — automatically applies Delphi Style Guide, Clean Code and SOLID patterns

updated May 2026

claude-dnd-skill

59
@Bobby-Gray

Unofficial D&D 5e Dungeon Master for Claude Code — persistent campaigns, full 5e mechanics, and an optional cinematic display companion for your TV

updated May 2026
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