Harness Engineering: How to Build a Software Factory — Dru Knox, Tessl

Why watch

Dru Knox explains harness engineering, a discipline for building software factories where AI agents handle coding while engineers focus on factory infrastructure. The talk covers three key metrics (autonomy, automation, quality), loop patterns (inner/outer/meta), and three implementation layers: control plane, agent-ready stack, and improvement loops. Ideal for engineering leaders and senior developers looking to scale AI coding agents beyond experimentation.