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-engineer

954
@bawadou

A version of command line interface(CLI) that leverages the power of Claude Opus(3-4.7). This framework lets Claude create and manage its own tools on the fly, continuously growing its capabilities through the course of a conversation

updated Aug 2026

claude-code-memory-setup

953
@lucasrosati

Up to 71.5x fewer tokens per session on Claude Code with Obsidian + Graphify. Persistent memory, codebase knowledge graphs, and chat import pipeline. 🇧🇷 PT-BR included.

updated Aug 2026

claude-skill-homeassistant

952
@komal-SkyNET

Claude Code skill to supercharge and manage all Home Assistant workflows

updated Aug 2026

math-modeling-skill

952
@XiaoMaColtAI

数学建模技能 - 面向 CUMCM、MCM/ICM 等数学建模竞赛的三阶段工作流:建模分析、Python/MATLAB 编程与 DOCX 论文生成。包含丰富的算法资源库(优化/预测/评价/图论/机器学习等)、角色指导文档、论文模板和实用工具脚本

updated Aug 2026

AI-Product-Development-Toolkit

946
@TechNomadCode

User-Centered Product Development Prompt Templates & Agent Configurations

updated Aug 2026

solomd

942
@zhitongblog

A markdown editor — and the bridge to your LLM. Local-first, MIT, ~15 MB. Bundled MCP server lets Claude Code / Codex / Cursor drive your vault directly. 14 AI providers BYOK.

updated Aug 2026

coding-tools-mcp

941
@xyTom

Give any AI agent the ability to code

updated Aug 2026

Lightswind-UI-Library

938
@codewithMUHILAN

The AI-native CLI-first React component library. 160+ animated, accessible, production-ready components with MCP Server support for Cursor, Claude & GitHub Copilot. Copy-paste architecture — you own the code.

updated Aug 2026

wassette

938
@microsoft

Wassette: A security-oriented runtime that runs WebAssembly Components via MCP

updated Aug 2026

CORAL

936
@Human-Agent-Society

Open-source autoresearch powered by autonomous coding agents. Run Claude Code, OpenCode, and Codex with grading, shared knowledge, and multi-agent evolution. Accepted at COLM 2026.

updated Aug 2026

optim-agent

936
@Optim-Agent

LLM agents as your hyperparameter optimizer.

updated Aug 2026

agent-qa

935
@vostride

Open-source self-improving QA agent for software teams. A test harness with memory. Write tests in natural language for web and mobile. agent-qa learns from every run, adapts to UI changes, and catches regressions before you ship.

updated Aug 2026

WellAlly-health

934
@huifer

Ally-Health is an intelligent healthcare assistant that harnesses advanced AI technology and medical expertise to transform personal health management. Through natural language interaction, it helps users record symptoms, manage medications, organize medical records, and access multidisciplinary health insights—making healthcare more intelligent, p

updated Aug 2026

autoprompt-skill

934
@Spielewoy

Autoprompt is a coding-agent skill that cuts failures by 45% on agentic coding tasks.

updated Aug 2026

MCP-Bridge

929
@SecretiveShell

A middleware to provide an openAI compatible endpoint that can call MCP tools

updated Aug 2026

alpaca-mcp-server

929
@alpacahq

Alpaca’s official MCP Server lets you trade stocks, ETFs, crypto, and options, run data analysis, and build strategies in plain English directly from your favorite LLM tools and IDEs

updated Aug 2026

claude-code-source-code

929
@777genius

Claude code source code

updated Aug 2026

styleseed

928
@bitjaru

Open-source design-method engine for Claude Code, Codex & Cursor. 23 agent skills for fixed design judgment, multiple grammars, semantic palettes, reference compilation, and evidence-verified UI. MIT.

updated Aug 2026

awesome-claude-code-plugins

926
@ccplugins

Awesome Claude Code plugins — a curated list of slash commands, subagents, MCP servers, and hooks for Claude Code

updated Aug 2026

opentabs

920
@opentabs-dev

Browser automation clicks buttons. OpenTabs calls APIs.

updated Aug 2026

voicetree

919
@voicetreelab

The spatial IDE for recursive multi-agent orchestration. It's like an Obsidian graph-view that you work directly inside of.

updated Aug 2026

memory-bank-mcp

918
@alioshr

A Model Context Protocol (MCP) server implementation for remote memory bank management, inspired by Cline Memory Bank.

updated Aug 2026

awesome-ralph

916
@snwfdhmp

A curated list of resources about Ralph, the AI coding technique that runs AI coding agents in automated loops until specifications are fulfilled.

updated Aug 2026

Citadel

912
@SethGammon

The operating layer for Claude Code + OpenAI Codex: persistent project memory, intent routing, safety hooks, cost telemetry, and parallel agent fleets.

updated Aug 2026
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