Engineering notes
How we build the parts of Kuriei that are hard to get right — written up honestly, failures included.

August 25, 2026 · 8 min read
We Audited Our Entire Ad Template Library Against What Actually Runs on Meta
We sampled 400+ ads across 12 niches from Meta's Ad Library and graded every pattern in our catalog against what real advertisers actually run. The market runs simpler, more product-forward creative than we expected.

July 26, 2026 · 7 min read
What 100 AI Image Renders Taught Us About Ad Prompts
We rewrote 25 ad prompt templates for our AI image model and rendered about 100 test images to see what breaks. What held up, what didn't, and why.