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

8165entries
★ starsA–Z name

azan-mcp

381
@ahmedeltaher

Azan + Prayer Time + MCP + AI Agents + Islamic + Salah + A lightweight MCP library to calculate prayer times and trigger Azan with a single tool call. If you’re building an AI agent or prayer application, there’s no need to deal with astronomical calculations, timezones, or edge cases again.

updated May 2026

opencoder

381
@ducan-ne

The Claude Code alternative

updated May 2026

paper-craft-skills

381
@zsyggg

Claude Code skills for academic papers: deep analysis, comics, summaries | 论文工艺:深度解读、漫画生成、速览总结

updated Jun 2026

claudeblattman

381
@chrisblattman

Claude Code for academics — skills, agents, and setup guides

updated May 2026

nano-banana-2-skill

381
@kingbootoshi

AI image generation CLI powered by Gemini 3 Pro. Green screen transparency, reference images, style transfer. Also a Claude Code plugin.

updated May 2026

STS2MCP

381
@Gennadiyev

Full agentic runs for Slay the Spire 2. A mod that exposes in-game state, and the MCP server for the mod.

updated May 2026

mcp-aktools

380
@aahl

📈 提供股票、加密货币的数据查询和分析功能MCP服务器

updated May 2026

shuorenhua

380
@MrGeDiao

说人话|Chinese-first AI writing refinement skill that reduces boilerplate and AI tone while preserving facts, terminology, and technical context.

updated May 2026

claude-fuer-deutsches-recht

380
@Klotzkette

⚠️ Experimentelle Skill-Sammlung für deutsches Recht (Arbeits-, Gesellschafts-, Insolvenz-, Datenschutz-, Prozessrecht u.a.) – inzwischen verbessert und im Alltag getestet, aber weiterhin Experiment. Bitte selber ausprobieren, Issues/PRs willkommen! Keine Rechtsberatung. Mandatsgeheimnis (§§ 203/204 StGB, § 43e BRAO), DSGVO, US-Transfer, KI-VO & Co

updated May 2026

skills

379
@posit-dev

A collection of Claude Skills from Posit

updated May 2026

evm-mcp-server

378
@mcpdotdirect

MCP server that provides LLMs with tools for interacting with EVM networks

updated May 2026

studio

377
@decocms

Open-source control plane for your AI agents. Connect tools, hire agents, track every token and dollar

updated May 2026

abcoder

376
@cloudwego

deep, reliable and confidential coding-context

updated May 2026

graphlit-mcp-server

376
@graphlit

Model Context Protocol (MCP) Server for Graphlit Platform

updated May 2026

mcp-teams-server

376
@InditexTech

An MCP (Model Context Protocol) server implementation for Microsoft Teams integration, providing capabilities to read messages, create messages, reply to messages, mention members.

updated May 2026

agentops

375
@boshu2

The operational layer for coding agents. Memory, validation, and feedback loops that compound between sessions.

updated Jun 2026

claude-elixir-phoenix

375
@oliver-kriska

Claude Code plugin for Elixir/Phoenix/LiveView — 20 specialist agents, Iron Laws enforcement, and Tidewave MCP integration. Plan features with parallel research agents, execute with automatic verification, review with 4-agent parallel audits, and capture learnings as reusable knowledge.

updated Jun 2026

nelson

374
@Aspegio

Organisation for your agent teams inspired by time-tested Royal Navy operating procedures.

updated May 2026

cc-thingz

374
@umputun

various things for claude code

updated May 2026

ClaudeForge

373
@alirezarezvani

A CLAUDE.md Generator and Maintenance tool for for Claude Code to create high-quality CLAUDE.md instruction files — aligned with Anthropic’s best practices for Claude Code.

updated May 2026

cersei

373
@pacifio

The Rust SDK for building coding agents. Tool execution, LLM streaming, graph memory, sub-agent orchestration, MCP — as composable library functions.

updated May 2026

ctx

373
@stevesolun

Skill, agent, MCP, and harness recommendations for Claude Code/custom LLMs: 102,696-node LLM-wiki graph, 91,432 skills, 10,787 MCPs, 13 harnesses, and capped execution recommendations.

updated May 2026

mcp-gateway

372
@lasso-security

A plugin-based gateway that orchestrates other MCPs and allows developers to build upon it enterprise-grade agents.

updated May 2026

daymon

372
@daymonio

Daymon puts your favorite AI to work 24/7. It schedules, remembers, and orchestrates your own virtual team. Free.

updated May 2026
← PREV01...3940414243...341NEXT →