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Series finale. We covered anatomy and evals. Here's the agent most engineers already feel in their daily work.
For decades the most expensive moment in software was the empty file — the activation energy of starting. Coding agents didn't just lower that cost. They set it to roughly zero.
What actually changed
- Starting is free — scaffolding, boilerplate, and first drafts arrive in seconds.
- The bottleneck moved — from writing code to reviewing and specifying it.
- Taste compounds — the engineers who win are the ones who know what good looks like and can say so precisely.
The job was never typing. It was deciding what should exist. That part just got more important.
The new failure mode
A coding agent will confidently produce 400 lines that almost work. Reviewing generated code is a skill — and an unreviewed PR from an agent is the same liability as one from a stranger. (See our security arc on exactly that.)
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That closes the series — six posts continuing the two launches, across both verticals.
Full archive: Meddler A.I.
