Why generic prompts fail and how a structured repository 'harness'—inspired by Andrej Karpathy's coding practices—can push coding agent accuracy to new levels.

AI coding agent hallucinates AWS APIs because it's guessing from training data frozen in the...

Why generic prompts fail and how a structured repository 'harness'—inspired by Andrej Karpathy's coding practices—can push coding agent accuracy to new levels.

You watch Claude Code analyze your repository. Files flash by. Symbols get resolved. It's...

A real experiment: I had Claude Code build a Cloudflare app, then made the mistake agents make every day — and watched a contract check catch it by name. Plus the transferable…