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

8236entries
★ starsA–Z name

grok-upload-audit

2
@MaydayV

Agent skill (Claude Code, OpenAI Codex, …) that forensically audits what the xAI Grok Build CLI uploaded from your machine — detects codebase uploads and secret leakage in ~/.grok logs, then generates a checksummed evidence package and a GDPR/CCPA data-deletion request. Secret values never leave your machine.

updated Jul 2026

prompt-triwizard-skill

2
@HiMyNameIsDavidKim

LLM prompt engineering for agent pipelines · Write, refine, and evaluate · 3 output styles: Anthropic · Google · OpenAI · Works with Claude Code, Cursor, Codex CLI, Gemini CLI & more · MIT

updated Jul 2026

brainrot-investigation-mode

2
@keane3029-lab

Claude Skill fusing full detective-grade investigation rigor (case files, sourced findings, confidence ratings) with maximum internet brainrot delivery. Real receipts, unhinged vocabulary.

updated Jul 2026

a-share-fact-check

2
@ovalpatty

A Skill that fact-checks Chinese stock pitches against official disclosure and exchange market data.

updated Jul 2026

tcxc-mcp-server

2
@TelecomsXChangeAPi

MCP server for the TelecomsXChange (TCXC) API — give Claude, OpenAI, Cursor, and any MCP client AI access to wholesale voice termination, SMS, DID numbers, eSIM, and HLR lookups. 55 telecom tools.

updated Jul 2026

Claude-Code-Agent-Monitor

1
@FaizanAliMalik

Monitor and visualize Claude Code agent sessions, tool use, and orchestration in real-time with a Node.js and React dashboard integrated via native hooks.

updated Jul 2026

MCP-Server

1
@bautiroalt

🚀 Launch a local server with ease using MCP Server for instant backend and interface setup, all with a single double-click.

updated Jul 2026

Prompt_Wizard

1
@richardsbrian

A tool that streamlines screenshot capture and content analysis using Anthropic's Claude API. Capture, prompt, and receive AI-powered insights with a simple hotkey

updated Aug 2025

claude-custom-tools-typescript

1
@larryhudson

A tutorial to learn about adding custom tools to Claude with Anthropic's SDK

updated Jul 2024

AIDataGenerator

1
@sfpatton

An AI-powered tool that analyzes CSV datasets and generates new synthetic data rows based on the original structure and patterns. Utilizes Anthropic's Claude AI models for data analysis and generation.

updated Sep 2024

NutriBalance

1
@Moezulhaq24

NutriBalance is a personalized diabetes management tool built with Streamlit and powered by Claude AI from Anthropic. This app helps users manage their blood sugar levels by providing tailored nutritional advice based on individual health data.

updated Oct 2024

Async-Generate-Tool

1
@Liesy

You can use this asynchronous generation tool to get responses in bulk. Support [OpenAI-GPT/Anthropic-Claude/zhipuai-GLM/vLLM]

updated Oct 2024

claude-cli-anthropic

1
@tarasowski

A simple cli tool to chat with claude sonnet models.

updated Dec 2024

claude_sat_solver

1
@mbrotos

Using Anthropic's Claude 3 Opus to solve SAT problems with symbolic tool use.

updated Nov 2024

normandy

1
@thetonymaster

Build production-ready AI agents in Elixir — structured schemas, tool calling, multi-agent coordination, streaming, and distributed sessions, with first-class Anthropic Claude support.

updated Jul 2026

crewai-anthropic-similar-company-finder

1
@sanjanabatheja123

🤖 Discover and connect with similar companies using the CrewAI Anthropic Similar Company Finder, a powerful tool for enhancing business insights.

updated Jul 2026

mcp-wait-timer

1
@199-mcp
updated Nov 2025

claude-llm-tools

1
@gmr

A library for auto-generating JSON Schema and dispatching tool calls in applications that use the Anthropic API to interact with Claude.

updated Aug 2025

quantok

1
@brojor

CLI tool for fast token counting using Anthropic Claude models. Inspired by Unix wc, perfect for developers working with LLM prompts.

updated Mar 2026

-llm-music-composer-docs

1
@kdleezy

LLM-powered music composition tool using Anthropic's Claude and Music21.

updated Jun 2026

remote-mcp-server-authless-andor

1
@elizabethsiegle

Remote MCP server to summarize/scrape Andor season 2 episodes using Browser Rendering and Workers AI

updated May 2025

remote-mcp-server-authless-gif-search

1
@elizabethsiegle
updated Jun 2025

llm-code-assistant

1
@vasiliskou

Colab-based tool using LLMs (Claude 3.7, Qwen2.5-32B) to auto-generate Python docstrings, comments, and unit tests with real-time streaming. Uses Anthropic and Hugging Face APIs (via Together).

updated Sep 2025

mcp-openai-image

1
@199-mcp
updated Jun 2026
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