~/whoami
Thomas Kolstø
Building at the intersection of business & technology.
Coding since '96, five startups, three four acquisitions.
CTO / CIO · Eyr Medical
latest posts
all posts →2026-10-04
Eight Arms, All Billable
Clocktopus is a local macOS time tracker that suggests work sessions and asks before recording them. No screenshots, no cloud. Suggest, never surveil.
2026-05-30
The Ash AI Tax
I kept noticing my AI agent burned more tokens on our Ash code than on plain Phoenix. So I measured it: ~2.6x more on Claude, ~1.9x on Codex — building the exact same feature.
2026-03-05
Hello again, again!
Third time I have lost the server this site runs on. This time an AI rebuilt it while I made demands about font sizes. New custom theme, same Hugo.