The single rule that compounds harness quality

Anytime you find an agent makes a mistake, you take the time to engineer a solution such that the agent never makes that mistake again.

—
Every other rule in this deck
is downstream of that one.

Vocabulary cheat sheet

Tap a card to flip · 13 terms
Sources
2026 primer (gopubby) OpenAI experiment writeup (towards AI) Anthropic 3 of 5 layers (data-sci collective) OpenAI: Harness engineering Anthropic: Building effective agents Anthropic: C compiler with parallel Claudes