the runtime your coding agents live on

Loads environment variables from .env for nodejs projects.

A component toolkit for creating live-running code editing experiences, using the power of CodeSandbox.

Super lightweight code syntax highlighter

Universe Atlas — a true-scale, explorable atlas from quark to cosmos: 43 orders of magnitude in one continuous scroll. Pure WebGPU.

Read-only developer endpoint scanner for on-disk package, extension, and developer-tool metadata, built to check exposure to known software supply-chain compromises.

Untitled UI React is the world’s largest collection of open-source React components built with Tailwind CSS and React Aria. Just copy, paste, and build.

💌 Build and send emails using React

Payload is the open-source, fullstack Next.js framework, giving you instant backend superpowers. Get a full TypeScript backend and admin panel instantly. Use Payload as a headless CMS or for buildi…

🪨 why use many token when few token do trick — Claude Code skill that cuts 65% of tokens by talking like caveman

Skills for Real Engineers. Straight from my .agents directory.

Agent Skills used by the Sentry team for development.

The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.

Modern React lightbox component

🍃 JavaScript library for mobile-friendly interactive maps 🇺🇦

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

The best ChatGPT that $100 can buy.

Self-evolving Context Database for AI Agents. Unify Agent Memory, Knowledge RAG and Skills.

The design language that makes your AI harness better at design.

A complete AI agency at your fingertips - From frontend wizards to Reddit community ninjas, from whimsy injectors to reality checkers. Each agent is a specialized expert with personality, processes…

Worktrunk is a CLI for Git worktree management, designed for parallel AI agent workflows

An agentic skills framework & software development methodology that works.

A collection of 100+ specialized Claude Code subagents covering a wide range of development use cases

Specification and documentation for Agent Skills

Habit Tracker for the AI Coding Workshop

Your own personal AI assistant. Any OS. Any Platform. The lobster way. 🦞

Master programming by recreating your favorite technologies from scratch.