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

8245entries
★ starsA–Z name

claude-code-config

2.1k
@trailofbits

Opinionated defaults, documentation, and workflows for Claude Code at Trail of Bits

updated Aug 2026

Dive-into-Claude-Code

2.1k
@VILA-Lab

A Systematic Analysis and Discussion of Claude Code for Designing Today's and Future AI Agent Systems

updated Aug 2026

token-optimizer

2.1k
@alexgreensh

Find the ghost tokens. Fix them. Survive compaction. Avoid context quality decay.

updated Aug 2026

unreal-mcp

2.1k
@chongdashu

Enable AI assistant clients like Cursor, Windsurf and Claude Desktop to control Unreal Engine through natural language using the Model Context Protocol (MCP).

updated Aug 2026

pilot-shell

2.1k
@maxritter

How real engineers run Claude Code and Codex: spec-driven planning, enforced TDD, persistent memory, and quality enforcement on all levels. Make your agents production-ready.

updated Aug 2026

skills

2.1k
@wondelai

Wondel.ai Agent Skills — Business, Marketing, UX & Coding Frameworks from Bestselling Books. 50 skills + 12 guided journeys for Claude Code, Codex, Cursor & other agentskills.io agents.

updated Aug 2026

Deep-Research-skills

2.1k
@Weizhena

Structured deep research skill for Claude Code/Open Code/Codex with human-in-the-loop control

updated Aug 2026

Qu1cksc0pe

2.1k
@CYB3RMX

All-in-One malware analysis tool.

updated Aug 2026

claude-swap

2.0k
@realiti4

Switch between multiple Claude Code accounts, with automatic rate-limit rotation, usage dashboard, and parallel sessions

updated Aug 2026

agent-safehouse

2.0k
@eugene1g

Sandbox your local AI agents so they can read/write only what they need

updated Aug 2026

better-harness

2.0k
@QoderAI

An open-source Harness Engineering platform for coding agents—define harnesses as code, run controlled experiments, inspect evidence, and compare outcomes.

updated Aug 2026

claude-code-video-toolkit

2.0k
@digitalsamba

AI-native video production toolkit for Claude Code

updated Aug 2026

agent-teams-ai

2.0k
@777genius

You're the boss, agents are your team. They handle tasks on their own, message each other, and review each other's work. You just watch the kanban board and give high-level commands. Codex/Claude/OpenCode/Cursor/Grok/GitHub Copilot/Kiro/Z.AI/MiniMax/Kimi(200+ models, 75+ LLM providers, free models no auth). Build your AI company with multiple teams

updated Aug 2026

lieflat-charts

2.0k
@larashero3-dotcom

Data visualization Skill for AI Agents, turning data into polished, interactive HTML charts. 面向 AI Agents 的数据可视化 Skill,将数据快速生成精致、可交互的 HTML 图表。

updated Aug 2026

skybridge

2.0k
@alpic-ai

Skybridge is a full-stack TypeScript framework for MCP Apps and ChatGPT Apps. Type-safe. React-powered. Platform-agnostic.

updated Aug 2026

claude-code-tools

2.0k
@pchalasani

Practical productivity tools for Claude Code, Codex-CLI, and similar CLI coding agents.

updated Aug 2026

growth-lab

2.0k
@tsingyuai

An end-to-end growth tool that understands the product, fetch the data it needs, researches the market, executes campaigns, and reviews results to improve the next round of growth. 从代码到市场的开源端到端增长工具。理解产品、接入信息渠道、研究市场、执行增长行动,并基于真实数据自我改进。

updated Aug 2026

KiCAD-MCP-Server

2.0k
@mixelpixx

KiCAD MCP is a Model Context Protocol (MCP) implementation that enables Large Language Models (LLMs) like Claude to directly interact with KiCAD for printed circuit board design.

updated Aug 2026

contextplus

2.0k
@forloopcodes

Semantic Intelligence for Large-Scale Engineering. Context+ is an MCP server designed for developers who demand 99% accuracy. By combining RAG, Tree-sitter AST, Spectral Clustering, and Obsidian-style linking, Context+ turns a massive codebase into a searchable, hierarchical feature graph.

updated Aug 2026

claude-blog

2.0k
@AgriciDaniel

Claude Code blog skill suite: 30 sub-skills, 5 agents, 5-gate v1.9.0 Blog Delivery Contract, dual-optimized for Google rankings and AI citations. Active development at AI-Marketing-Hub/claude-blog (AI Marketing Hub Pro community); public releases ship here.

updated Aug 2026

core

2.0k
@RedPlanetHQ

Your Personal AI OS

updated Aug 2026

clawgod

2.0k
@0Chencc

ClawGod is a runtime patch applied to the official Claude Code. It continues to be supported with each version update.

updated Aug 2026

meridian

1.9k
@rynfar

Use your Claude Max subscription with OpenCode, Pi, Droid, Aider, Crush, Cline, Jcode. Proxy that bridges Anthropic's official SDK to enable Claude Max in third-party tools.

updated Aug 2026

freecad-mcp

1.9k
@neka-nat

FreeCAD MCP(Model Context Protocol) server

updated Aug 2026
← PREV01...1718192021...344NEXT →