Lao Guo's Learning Space

Mar 31, 2026 · Operations

Harness Engineering Best Practices: Real‑World AI Ops Lessons from 4 Companies

This article explains Harness Engineering—a methodology that lets AI agents work reliably by steering humans and automating execution—through core principles, a performance boost demonstrated by OpenAI, and detailed case studies from OpenAI, Citi, Ancestry, and Ulta Beauty, followed by a step‑by‑step adoption roadmap.