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

8253entries
★ starsA–Z name

Easy-Diagram-AI

3
@osama96gh

Easy Diagram AI is an AI-powered diagramming tool that allows users to create, edit, and manage mermaid.js diagrams through an intuitive interface. The application combines a React frontend with a Flask backend and leverages Anthropic Claude AI to enable natural language diagram modifications.

updated Nov 2025

celo-hackathon-agent

3
@celo-org

This tool analyzes GitHub repositories for Celo hackathon projects, evaluating code quality and checking for Celo blockchain integration using LangChain and Anthropic's Claude AI model.

updated Nov 2025

claude-code-agent-extension

3
@jamsturg

Chrome extension providing a Phantom-like UI for Claude Code agent operations

updated Aug 2025

model_context_protocol_training

3
@jakeyShakey

A Slidev presentation and developer guide to the Model Context Protocol (MCP) by Anthropic, covering AI integration, LLM tool use, core concepts, and implementation examples for AI agents. #mcp #a

updated Aug 2025

project-prompt

3
@Dixter999

AI-powered tool for project analysis, documentation generation, and improvement suggestions. Uses Anthropic Claude to analyze project structure and provide intelligent recommendations.

updated Jul 2025

raycast-claude-code-cheatsheet

3
@harumeri

Claude Code Cheatsheet - Raycast Extension

updated Aug 2025

claude-search

3
@jbenton

A simple tool for browsing or searching your past conversations with Anthropic's Claude.

updated May 2026

claude-container-tool

3
@tarakbluru

Containerized development environment for Anthropic Claude Code using Podman/Docker

updated Dec 2025

claude-code-goodies

3
@mathewtaylor

Community hooks and tools to make Claude Code safer, smarter, and more notifiable

updated Oct 2025

claude-code-hooks-template

3
@r-strawser

Starting Claude Code template with locally scoped hooks set up.

updated Oct 2025

claude-code-hook-sdk

3
@mizunashi-mana

A TypeScript SDK to write claude-code hooks easily with type safety, dependency injection, and comprehensive testing support.

updated Feb 2026

eyelet

3
@bdmorin

Eyelet - Claude Code Hook Orchestration Framework

updated Nov 2025

claude-usage-tracker

3
@haasonsaas

🔍 Track and analyze Claude Code usage with rate limit awareness. Parse JSONL logs, calculate costs, and get warnings before hitting rate limits. CLI tool with daily/weekly breakdowns.

updated Dec 2025

claude-amplify-agents

3
@NicholasCain570

24 specialized Claude Code subagents for AWS Amplify development - React, GraphQL, DynamoDB, S3, Chrome extensions, and Playwright testing

updated Aug 2025

charming-with-claude

3
@tonyandrewmeyer

Experimentation with using Anthropic's Claude tool to build simple charms

updated May 2026

claude-code-telegram-notify-hook

3
@rokrokss
updated Apr 2026

sessions

3
@refcell

A Lightweight Active Session Counter Hook for Claude Code built in Rust.

updated Jan 2026

pacc-cli

3
@memyselfandm

pacc is a comprehensive package management tool for managing Claude Code extensions and plugins, written in Python.

updated Jan 2026

Text-Editor-CLI

3
@Selahaddin67

Text-Editor-CLI is a Python command-line tool to read, edit, analyze, and save text files with word counts, terms, replacements, highlights, and an interactive interface 🐙

updated Jun 2026

cursor-and-claude-code-developer-toolkit

3
@SiqGay1902

🐙 AI-powered development toolkit with Cursor and Claude to boost productivity, reveal code insights, speed debugging, and tame big codebases.

updated Jun 2026

claude-format-hook

3
@ryanlewis

Auto-format code when Claude Code edits files. Supports JavaScript/TypeScript, Python, Go, Kotlin, and Markdown with popular formatters like Biome, Ruff, and Prettier.

updated May 2026

claude-user-input-logger

3
@Bucurenciu-Cristian

A Claude Code hook that captures and logs all user inputs with timestamps and session tracking

updated Dec 2025

ClaudeMCPTools.jl

3
@JuliaBench

Julia implementation of basic Anthropic-defined MCP tools for use by claude

updated May 2026

age-of-claude

3
@aliparoya

Claude Code hooks to make sounds from Age of Empires

updated Jan 2026
← PREV01...217218219220221...344NEXT →