Blog
Engineering and privacy writing: how Pulse Local is built, how it is tested, and how the work is done.
11 November 2026·Engineering·16 min
One person, six lanes
Long Claude Code sessions forget what they knew. Fresh ones multiply until ten of them each hold part of the story. This is how I run Pulse alone anyway: a written memory every session reads first, one long-lived session per kind of work with a state file it rereads after every clear, a hook that turns duplicate sessions away, and checks that assume the model is wrong, from a lint ratchet to TLA+ models of billing.
20 October 2026·Engineering
How often does Pulse Local show a wrong figure?
Pulse Local checks every money answer before you see it. How the test works, what the score means for you, and what it does not show.
4 October 2026·Engineering
How a second reading cut wrong figures from about 22 to about 5 in 100 conversations
How Pulse Local tests its chat on households it has never seen, the designs that failed, and the rule that cut wrong figures.
24 December 2025·Engineering·9 min
Real-World Machine Learning: How Top Companies Ship AI to Production
From fraud detection at Stripe to arrival predictions at Uber: a deep dive into the ML systems powering the world's best products, and what we've learned building our own.
