Chapter 3 — Ditching the editor
The code did not disappear. It just stopped being the right level for me to look at.
Read note →Build in public
Notes from the factory floor.
Build-in-public notes from 4etverg — how a small Buenos Aires studio ships AI products with an autonomous agent fleet.
Your WhatsApp chatbot isn't selling — it's blocking your customers
Numbered menus that ignore what you wrote. An hour of documents, then “not in your area.” How Argentine SMBs lose sales to doorman bots — and what to build instead.
Read note →Chapter 2 — A senior with no structure in his head
AI coding agents are not juniors. They are seniors with no structure in their heads — and without walls, they build excellent Frankenstein code.
Read note →Vertical SMB Software + AI: Ship the Workflow, Not the Demo
What changes when AI is added to a small vertical product for a real business: messy inventory, human confirmation, and a workflow that has to survive Tuesday.
Read note →What Build-in-Public Actually Requires When the Work Is Still Messy
Build-in-public is not a highlight reel. It is choosing which uncertainty to expose, which details to protect, and what the work can actually support.
Read note →When Multi-Agent Is Wrong
A counter-take from a studio that runs an agent fleet: most work does not need orchestration, and adding workers can make a simple task worse.
Read note →Civilization Is Humanity's CLAUDE.md
I spent four months building a world for my AI agents. Somewhere along the way I noticed the thing I was building had a much older name.
Read note →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 →A website is not enough: build a customer channel, not a single asset
Instagram alone is not a growth channel. Why local businesses need a site, Google Business reviews, and a clear path to contact — especially when budgets tighten.
Read note →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 →