Course Coming Soon

AI-TDD for Unity — Course Coming Soon

I'm building a course on AI Test-Driven Development for Unity.

Enter your email and I'll notify you the moment it launches.

You're signing up to receive emails from Johan Holtby

Sharing is caring. Hope you find it useful.

Free! AI Sticky Notes for Unity

A tiny utility for leaving AI-readable messages inside your Unity scenes. Select a game object, press Ctrl+Alt+S, write a note, and let your AI tool read it to understand your world from the inside via Unity MCP custom tools.

Moose Runner | A Test Runner with HotReload Integration

MooseRunner is a powerful test runner built to transform your development workflow both manual and with AI. Designed with a focus on speed and convenience, MooseRunner eliminates unnecessary time sinks by letting you test smarter, iterate faster, and stay fully immersed in the creative process.