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Aug 7, 2026 · Operations

Is Your Harness Workflow Actually Improving? A Quantifiable Exam‑Based Evaluation System

The article presents Harness Eval, a lightweight, regression‑capable testing framework that treats Harness workflows like exam questions, defines three core principles (repeatability, attribution, closed‑loop), details the design of test assets, the multi‑turn examiner‑candidate interaction, automated grading with evidence‑backed scores and improvement suggestions, and shows how applying it raised the team’s pass rate from 82.4% to 100%.