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Built in public

The Lab

Everything here is real: products running in production and free tools you can download today. Built with AI agents, verified with tests, shipped with receipts.

Live products

Live product

Live Signature

Animated email signatures, rendered server-side.

A signature studio with live preview, animated GIF rendering, click tracking, and one-link install. Built end-to-end: Netlify functions, Supabase, and a custom frame renderer.

  • SaaS
  • Netlify
  • Supabase
  • Satori
Open the studio
Live product

FitnessCoach Pro

A complete coaching platform, free during beta.

Training programs, nutrition tracking, analytics, and coach-client workflows. React 19 PWA with 600+ automated tests, Stripe-ready billing, and a hardened serverless backend.

  • React
  • Supabase
  • PWA
  • Stripe
Visit the platform

Free tools, open source

Open source

Kiro Guard

One hotkey to cover your screen.

A calm full-screen guard for your PC while AI agents work or you step away. Tray app, status character, single hotkey. Download it, run it, done.

  • Windows
  • Tray app
  • Free
View on GitHub
Open source

Kiro CLI Mobile Bridge

Your terminal agent, on your phone.

Drive a terminal AI agent from your phone over LAN — a real xterm.js terminal sharing the same PTY as your laptop. Type on the phone, watch it echo on the desk.

  • Node.js
  • WebSocket
  • Free
View on GitHub
Open source

Agent Focus Mobile

Run AI agent sessions from anywhere.

A mobile bridge for agent sessions: streaming chat, tool-call cards, inline diffs, permission approvals, model switching, and sessions that survive restarts.

  • Node.js
  • ACP
  • Free
View on GitHub

Want one of these for your business?

Everything in the Lab started as a real problem. If your business has one, we build the same way: fast, tested, and in production before you expect it.

Start a project

Want to learn to build them yourself?

The prompts, playbooks, and build systems behind every item on this page are being packaged into a community. Join the list and get them first.

Learn the system