Field Guide

Production AI Systems Field Guide

Practical notes for building, evaluating, and operating AI systems beyond demos.

Agent Systems Engineering Part 2

From Agent Harness to Self-Improving AI Systems

A solid harness makes your agent reliable at launch. A self-improving system keeps it reliable over time. This is the engineering discipline that separates production AI from drifting AI — failure mining, eval generation, regression gating, and the feedback loop architecture that ties it all together.

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