Founder's Notes.

Thoughts on tooling, engineering, and building companies.

Engineering

How We Stopped Lying to Ourselves About Quality

Test coverage told us we were fine. Three bugs later, we rebuilt our quality system around customer journeys instead of line counts.

Read Post May 2026
ML Engineering

Vectors Are Not Ontologies

Why structural features still matter in 2026, and what spaCy plus Rust let you extract from text that embedding models alone miss.

Read Post May 2026
RAG

Your Vector Database Is a Coping Mechanism

Why every layer of your RAG stack compensates for a fundamental problem you should have solved at embed time.

Read Post Apr 2026
Tooling

CSSGuard: The Missing Half of CSS Tooling

Tailwind purges unused CSS. But what about HTML classes with no CSS? We built a bidirectional validator to catch orphaned classes before they break production.

Read Post Jan 2026