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

8257entries
★ starsA–Z name

harness

4.3k
@revfactory

A meta-skill that designs domain-specific agent teams, defines specialized agents, and generates the skills they use.

updated May 2026

httprunner

4.3k
@httprunner

HttpRunner 是一款开源的 API/UI 测试框架,简单易用,功能强大,具有丰富的插件化机制和高度的可扩展能力。

updated May 2026

mcpo

4.2k
@open-webui

A simple, secure MCP-to-OpenAPI proxy server

updated May 2026

claude-code-guide

4.2k
@zebbern

Claude Code Guide - Setup, Commands, workflows, agents, skills & tips-n-tricks go from beginner to power user!

updated May 2026

open-claude-cowork

4.2k
@composio-community

Open Source version of Claude Cowork with 500+ SaaS app integrations

updated May 2026

AI-Coding-Guide-Zh

4.2k
@KimYx0207

Claude Code + OpenClaw + Codex 中文教程 | 39篇完整教程 + 1张速查卡 | 80万+内容量 | 1500+实操示例 | AI Coding / Agent 三线学习路径

updated May 2026

lemonade

4.2k
@lemonade-sdk

Lemonade helps users discover and run local AI apps by serving optimized LLMs right from their own GPUs and NPUs. Join our discord: https://discord.gg/5xXzkMu8Zk

updated May 2026

hapi

4.1k
@tiann

App for Claude Code / Codex / Gemini / OpenCode, vibe coding anytime, anywhere

updated May 2026

mcp-server-chart

4.1k
@antvis

🤖 A visualization mcp & skills contains 25+ visual charts using @antvis. Using for chart generation and data analysis.

updated May 2026

claude-scholar

4.1k
@Galaxy-Dawn

Semi-automated research assistant for academic research and software development. Supports Claude Code, OpenCode, and Codex CLI across ideation, coding, experiments, writing, and publication.

updated May 2026

kubefwd

4.1k
@txn2

Bulk port forwarding Kubernetes services for local development.

updated May 2026

axonhub

4.1k
@looplj

⚡️ Open-source AI Gateway — Use any SDK to call 100+ LLMs. Built-in failover, load balancing, cost control & end-to-end tracing.

updated May 2026

Claudable

4.0k
@opactorai

Claudable is an open-source web builder that leverages local CLI agents, such as Claude Code, Codex, Gemini CLI, Qwen Code, and Cursor Agent, to build and deploy products effortlessly.

updated May 2026

ruby_llm

4.0k
@crmne

One beautiful Ruby API for OpenAI, Anthropic, Gemini, Bedrock, Azure, OpenRouter, DeepSeek, Ollama, VertexAI, Perplexity, Mistral, xAI, GPUStack & OpenAI compatible APIs. Agents, Chat, Vision, Audio, PDF, Images, Embeddings, Tools, Streaming & Rails integration.

updated May 2026

excel-mcp-server

3.9k
@haris-musa

A Model Context Protocol server for Excel file manipulation

updated May 2026

all-api-hub

3.8k
@qixing-jk

​一站式 New-API/Sub2API 等中转站账号管理:余额/用量看板、自动签到、密钥一键使用、价格对比、可用性测试,另提供高级渠道管理 | All-in-one New-API/Sub2API account hub: balance/usage dashboard, auto check-in, one-click keys, price comparison, health checks, plus advanced channel management

updated May 2026

fast-agent

3.8k
@evalstate

Code, Build and Evaluate agents - excellent Model and Skills/MCP/ACP Support

updated May 2026

Continuous-Claude-v3

3.8k
@parcadei

Context management for Claude Code. Hooks maintain state via ledgers and handoffs. MCP execution without context pollution. Agent orchestration with isolated context windows.

updated May 2026

jetbrains-cc-gui

3.8k
@zhukunpenglinyutong

Jetbrains Claude Code and Codex GUI Plugin

updated May 2026

orca

3.8k
@stablyai

Orca is the next-gen IDE for working with a fleet of parallel agents. Run any coding agent with your own subscription. Available on desktop and mobile.

updated May 2026

archestra

3.8k
@archestra-ai

Enterprise AI Platform with guardrails, MCP registry, gateway & orchestrator

updated May 2026

claude-code-hooks-mastery

3.7k
@disler

Master Claude Code Hooks

updated May 2026

antigravity-claude-proxy

3.7k
@badrisnarayanan

Proxy that exposes Antigravity provided claude / gemini models, so we can use them in Claude Code and OpenClaw (Clawdbot)

updated May 2026

golutra

3.6k
@golutra

Multi-agent AI orchestration platform for automation, workflows, and developer tools. Golutra transforms Codex, Claude Code, and OpenClaw into a unified agent system with parallel execution, task orchestration, long-running workflows, and AI productivity workspace.

updated May 2026
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