Buenos Bakery, by hand
The first thing we ever built was a website for a bakery. It worked. Then we tried to do it again - and the wall was us.
Read note →Build in public
Notes from the factory floor.
How we design, ship, and run products at 4etverg. Small team, tight review loops, and a factory built around judgment instead of hype.
Knowing when to restart
We spent 72 hours patching our AI agent fleet. 133 commits. Most of them fixing the symptoms of the previous fix.
Read note →Building a Guardrailed WhatsApp Sales Machine with AI Agents Over a Long Weekend
How a one-person studio stood up a Sales Desk, WhatsApp outreach, and reply drafting over a long weekend — with hard review, real rewrites, and human send gates.
Read note →Shipping products with an AI-native studio
What it actually means to run a product studio on an agent fleet, and why the hard part is not more AI, it is judgment, taste, and a pipeline that refuses to ship garbage.
Read note →