// tag

#engineering

6 posts

Cut along the seams

The cost of building with an agent is the length of the conversation. So the real skill is knowing where to cut a use case into pieces. I found the cut isn't where I expected: not between backend and frontend, but wherever the work first changes a promise to the outside world.

For every token it wrote, 395 were spent re-reading

The cloud bill for building the whole thing was basically nothing. The agent was a different story. And the surprising part isn't the total. It's where the tokens actually went. Part 6 of a series.

The stack is the least interesting part

The site went live for its first real match. People keep asking how it's built. But the architecture was never the interesting question. How much of it I was willing to hand to an agent was. Part 5 of a series.

The day it destroyed production

I gave my AI agent auto-approve on infrastructure changes. It saved me hours — right up until it destroyed my production host. The lesson isn't 'stop automating.' It's about where you put the tripwires. Part 3 of a series.

Give it eyes

My AI agent kept fixing a bug that wasn't fixed. It wasn't a reasoning problem — it was looking at the wrong thing. Part 2 of a series on handing an agent the whole stack.

I handed an AI agent my whole stack

Two seasons ago I shut down a fantasy football app with 500+ users because the operational toil wasn't worth it. Last week I rebuilt it on the Oracle stack — and let an AI agent run everything. Part 1 of a series.