Building, testing, and thinking about AI

Longform essays on AI, human agency, and the systems we build with them — written from an unusual vantage point: an operator running a production system on LLMs every day, not a frontier lab or academia.

Start with the essay below, or read more about this site .

Featured

• Functional Scars — turning corrections into a primitive

  9 May, 2026

  fscars 0.1.0 is out — a bolt-on correction primitive for AI coding agents, built on the framework from the Lucy Syndrome paper. Apache 2.0, pip install fscars.

• The Lucy Syndrome: Why LLMs Forget Corrections

  10 Apr, 2026

  LLMs don't remember yesterday. That gap has a name, a causal mechanism, and a fix that doesn't require better memory.

• The Lucy Syndrome and AI

  9 Apr, 2026

  LLMs don't remember yesterday — and that gap has a name. A five-part essay on the Lucy Syndrome, functional scars, and what it takes for a production system to actually learn.

• Questions and answers

  9 Apr, 2026

  Questions about the Lucy Syndrome essay — its scope, its method, and what functional scars actually look like in operation. Compiled from real conversations and updated as new questions arrive.

• Where this came from

  9 Apr, 2026

  The informal companion to the Lucy Syndrome essay — how the observation started, how the system around it took shape, and why an operator in Paraguay ended up writing about model amnesia.