Blog

Notes from building Mateo: on design systems, coding agents, and why captured evidence beats confident guesses.

Introducing Mateo

Paste a URL, get a design.md: a specification AI coding tools can actually build from. Here's what we made and why.

The sameness isn't a model limitation. It's a context problem, and it's fixable.

Inside the extraction pipeline: real browsers, computed styles, hover diffs, and why we mark our estimates.