Blog
Notes on building Euler.
How we think about product management, evidence, and the line between what an agent should do and what only you should.
The PM role isn't dying. It's rising.
Agents are taking the grunt work of product management. What's left is the part that was always the actual job: judgment.
Cited by default: why every Euler PRD traces to a customer
An AI draft you can't trust is just a faster way to be wrong. So every claim Euler writes carries a citation back to the signal it came from.
The three-layer decision model
Most tools bolt AI on. For Euler, the model that decides what AI is allowed to do, and where a human takes over, is the product.