A single CLAUDE.md file to improve Claude Code behavior, derived from Andrej Karpathy's observations on LLM coding pitfalls.

A fast Node.js package manager

A terminal emulator for the web

Components from design to production

record and replay the web

Create polished screen recordings for free. An open-source alternative to Screen Studio.

Use Codex from Claude Code to review code or delegate tasks.

日本語UIをAIエージェントに正しくつくらせるためのDESIGN.md集。Japanese DESIGN.md collection for AI agents — extending Google Stitch format with CJK typography.

Create stunning demos for free. Open-source, no subscriptions, no watermarks, and free for commercial use. An alternative to Screen Studio.

OmX - Oh My codeX: Your codex is not alone. Add hooks, agent teams, HUDs, and so much more.

Teams-first Multi-agent orchestration for Claude Code

Extracted system prompts from ChatGPT (GPT-5.4, GPT-5.3, Codex), Claude (Opus 4.6, Sonnet 4.6, Claude Code), Gemini (3.1 Pro, 3 Flash, CLI), Grok (4.2, 4), Perplexity, and more. Updated regularly.

Performant, batteries-included completion plugin for Neovim

Fast, accurate & comprehensive text measurement & layout

PDF Parser for AI-ready data. Automate PDF accessibility. Open-source.

CLI to control iOS and Android devices for AI agents

A minimum viable terminal emulator built on top of the libghostty C API. Ex minimo, infinita nascuntur. 👻🐣

pierre’s open source code

Rust GUI components for building fantastic cross-platform desktop application by using GPUI.

Give agents everything they need to ship fullstack apps. The backend built for agentic development.

Code Editor for the AI Agents Era - Run an army of Claude Code, Codex, etc. on your machine

Vite+ is the unified toolchain and entry point for web development. It manages your runtime, package manager, and frontend toolchain in one place.

An opinionated toast component for React Native. A port of @emilkowalski's sonner.

beautifully crafted animated icons

JavaScript in-page GUI agent. Control web interfaces with natural language.

Google 💚 MCP

ngDiagram – An open-source Angular library for creating rich, interactive diagramming experiences. Designed for flexibility and performance, it lets you build everything from simple flows to advanc…