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

colony-mcp-server

2
@TheColonyCC

MCP server for The Colony (thecolony.cc) — collaborative intelligence platform where AI agents and humans share findings, discuss ideas, and build knowledge together. 7 MCP tools.

updated Apr 2026

creative-context

2
@tarshaa

Your saved Pinterest pins, searchable by Claude.

updated Apr 2026

agentic_mp_dualrag

2
@chkao831

Fed MPR agentic chat is a demonstration of agentic dual-RAG using Anthropic Agent Skills over Federal Reserve Monetary Policy Report material: a Streamlit UI talks to a FastAPI backend where Claude answers questions by calling allowlisted tools only—Chroma for semantic chunk search and Oxigraph for SPARQL over an RDF knowledge graph.

updated Apr 2026

zernio-mcp

2
@Eyalm321

Model Context Protocol (MCP) server that gives Claude full access to the Zernio social media management API — 273 tools covering posts, analytics, inbox, ads, contacts, WhatsApp Business, and more across 14+ platforms.

updated May 2026

docs-organization

2
@zning1994

AI agent skill for organizing project documentation by size, audience, and freshness. Works with Claude Code, OpenClaw, Codex CLI, Gemini CLI, Cursor.

updated Apr 2026

claude-code-tutor

2
@Erikole21

Bridges Claude Code's knowledge gap by auto-syncing official docs as Skills. Your AI answers about hooks, MCP, sub-agents and new features using today's docs, not its training cutoff.

updated Apr 2026

claude-code-cheatsheet

2
@muriloalvesdev

Referência técnica completa para configuração do Claude Code — rules, skills, agents, hooks, settings, memory, plugins e MCP servers. Todos os campos de frontmatter, todos os valores possíveis, todo o fluxo de carregamento.

updated Apr 2026

Nexus

2
@kronosderet

Local-first metabrain plugin for Claude Code. 29 MCP tools · Knowledge Graph + blast-radius + Conflicts resolution · Continuous Handover (live per-project cards) · sliding fuel model · ambient-telemetry hook · optional LM Studio Overseer. Zero cloud deps.

updated May 2026

my-claude-code

2
@tim-mukhin

Personal Claude Code hooks: session labels, tab status indicators, advanced statusline

updated May 2026

canopy

2
@markes76

The layer above your AI stack — manage MCPs, skills, plugins & hooks across Claude Code, Cursor, Codex & Gemini

updated Apr 2026

ccui

2
@yuta24

Native macOS IDE for the Claude Code harness — visualize sessions, analyze agent behavior, edit hooks/permissions

updated May 2026

aigate

2
@hoazgazh

Free AI Gateway — Use Claude (Kiro) and GPT-4.1 (Copilot) as OpenAI-compatible API. No paid API keys. Works with Cursor, Cline, Codex CLI, Aider, Claude Code, and any OpenAI/Anthropic tool. Single binary.

updated Apr 2026

claude-token-saver

2
@OpenWorkai

Claude Code Token 省钱技能包 — 基于源码分析,降低 80% token 消耗

updated Apr 2026

claude-code-hooks-demo

2
@sbusanelli

This repo gives a demo of how to use PreToolUse and PostToolUse hooks to prevent accidental exposure of sensitive files from the code repos.

updated May 2026

studiomeyer-crm

2
@studiomeyer-io

AI-native CRM as MCP Server — 33 tools for contact management, pipeline, leads, follow-ups, health scores, revenue analytics, CSV import/export. The only production-ready standalone MCP CRM. Free tier. OAuth 2.1. Hosted at crm.studiomeyer.io

updated May 2026

claude-code-inspect

2
@digital-flowers

A browser extension that lets you inspect any page element and ask Claude Code questions about it, directly from your browser.

updated May 2026

russian-text-quality

2
@Anic888

A Claude Code skill that catches Russian-language bugs in code: pluralization, case agreement, terminology drift, transliterated identifiers, language mixing. Complements talkstream/ru-text.

updated May 2026

sci-introduction

2
@stephenlzc

A Claude Skill for writing publication-ready domestic and international literature reviews — five-step pipeline, eliminates citation chains, structured gap logic.

updated May 2026

ai-plugins

2
@cjuega

A marketplace for Claude Code and Cursor hosting sharable skills, agents, mcps, hooks, etc.

updated Apr 2026

claude-skill-bulma

2
@Federicokalik

Claude skill for building UIs with the Bulma CSS framework — covers v1.0.4, all classes, components, grid, Sass, themes, dark mode, extensions, and auto-update.

updated May 2026

cowork-memory-kit

2
@JordanmFrancis

Persistent memory system for Claude Code / Cowork. Curated memory files + chat archive + dynamic topic files, with save/load/search skills.

updated May 2026

claude-code-stop-gate

2
@evnchn-agentic

Stop gate hook for Claude Code — nonce-based confirmation prevents accidental session termination, enables overnight autonomous work

updated Apr 2026

claude-unity-game-studio

2
@IdoCohen560

AI-powered Unity game development studio for Claude Code - 49 agents, 120+ skills, and a full studio hierarchy that turns a single AI session into a coordinated game dev team. View more about me in my portfolio.

updated May 2026

donnyclaude

2
@D0NMEGA

Opinionated, all-in-one Claude Code power-user setup. 107 skills, 49 agents, GSD workflow, MCP servers. Zero to production-grade AI-assisted development in one command.

updated May 2026
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