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

claude-code-starter-kit

3
@muratsilahtaroglu

Discipline + security starter kit that keeps Claude Code (or any LLM agent) on course across sessions: repo-based memory that survives compaction, enforced hooks & permissions, and a phased workflow — consistent, traceable, safe. Clone it or install as a plugin.

updated Jul 2026

understudy

3
@danielarif26

Your local model rehearses the answer. Claude takes the bow. A Claude Code hook that drafts grunt-work prompts on your own hardware — Claude keeps the quality gate.

updated Jul 2026

team-maturity-self-locator

3
@nicolasrosado

An interactive, non-judgmental Claude skill that locates a software team on the Bounded-Rationality Maturity Scale and suggests the single next move. A free gift to the community (CC BY-NC-SA 4.0).

updated Jul 2026

cc-to-grok-bridge

3
@yyu0310

Bridge Claude Code → Grok Build: shared rules/skills, hook adapter hard-gates, optional memory mirror

updated Jul 2026

RTL-Claude-Code

3
@arioobarzan

A cross-platform automation prompt/script designed to patch the Anthropic Claude Code VSCode extension. It injects the dir="auto" attribute into the assistant message webview component, enabling dynamic Right-to-Left (RTL) alignment and proper text rendering for multilingual (Arabic/Persian/Hebrew) responses across Windows, macOS, and Linux.

updated Jul 2026

fons

3
@Fons-vc

The Fons agent surface — read and update your founder profile, company, product, metrics and data room from your AI assistant. Skill · MCP · CLI.

updated Jul 2026

fable-skill

3
@akhilguptahub

Fable Reasoning Protocol: a free AI skill that makes any model think before it answers. Plan first, test competing ideas, verify the work. Works with Claude, Antigravity, Codex, Cursor.

updated Jul 2026

Tool.Agent-Harness-Deploy

3
@masteryee-labs

Self-deploying cross-tool AI harness — one canonical source deployed to Claude Code, Codex, Cursor, Devin, Antigravity & 9 more. Loop engineering, three-layer memory, worker personas, hooks, MCP, vault.

updated Jul 2026

zamview

3
@zamarrowski

VSCode extension to review the changes an AI agent makes to your code.

updated Jul 2026

claude-code-status-display

3
@TDMarko

Live hardware status dashboard for Claude Code on a LilyGO T-Display-S3 (ESP32). Per-session status, context %, and model over WiFi via hooks.

updated Jul 2026

claude-promo-video

3
@smit-vanani

Turn a website URL into a premium, beat-locked product promo video with Remotion — original design system every time, music-onset-locked scenes, self-verifying renders, 16:9 + 9:16 + thumbnails.

updated Jul 2026

git-commit-writer

3
@n-shadloo

A commit-message skill for AI coding agents that turns staged git changes into well-crafted Conventional Commits. Works with Claude, Codex, Cursor & Gemini.

updated Jul 2026

claude-code-hooks

2
@GabrielCostaLopes16

🪝 Customize and deploy ready-to-use hooks for Claude Code, enhancing safety, automation, and notifications in your projects.

updated Jul 2026

nb

2
@hypergraphic-fmops

Hypergraphic-FMOps is a tool that leverages the power of advanced AI models (OpenAI's GPT-4 and Anthropic's Claude-2) to analyze software architecture descriptions. Simply provide a description of your system's architecture, and ArchAIlyst will provide insights into potential issues, scalability, maintainability, and suggest improvements.

updated Sep 2024

claudetrack

2
@123affano1

Track Anthropic Claude API tokens, forecast costs, and predict rate limits in real time with a self-hosted, zero-code tool.

updated Jul 2026

ccu

2
@Rajaniraiyn

Anthropic's Computer Use tools within VSCode

updated Jul 2026

claude-product-workflow

2
@ZeNos983

🚀 Transform product ideas into development-ready documents with a 5-skill workflow that enforces professional standards for research, design, and planning.

updated Jul 2026

smartmutate

2
@sffw

Smartmutate is a file conversion tool built in Python that leverages Anthropic's Claude API to intelligently convert data between common file types.

updated Jan 2025

anthropic_tools

2
@Our-Technology

A Ruby on Rails library to leverage Anthropic's Claude models with tool use capabilities.

updated Aug 2025

system-prompts-for-ai-models-tools

2
@cvyl

System Prompts from AI Models / Tools

updated May 2026

spring-ai-mcp-tools-and-patterns

2
@maxiplux

A Spring Boot application demonstrating an inventory and user management system enhanced with AI capabilities through Spring AI. This project showcases the integration of multiple AI models (Google Gemini and Anthropic Claude) using Spring AI's Tools/Function Calling feature to enable natural language querying of inventory and user data. Built with

updated Apr 2026

mcp-better-thinking

2
@199-mcp
updated Nov 2025

rust-anthropic-agent-synaptic-memory-tree-sitter-tools

2
@njfio

An AI agent system in Rust with Anthropic Claude integration, DSPy framework, rust-synaptic memory, and audio and code processing capabilities.

updated Feb 2026

content-ideas-generator

2
@krishagoti02

AI-powered tool that generates LinkedIn, Instagram, and Twitter content ideas from your experiences , built during the Anthropic x USC Claude Hackathon.

updated Jun 2025
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