Coding AI·DEV — ML·July 31, 2026

131 Tests, 4 Layers, $00.03/Run: My AI Agent Eval Harness

1Key Takeaways

Originally published on AIdeazz — cross-posted here with canonical link.
It wasn't a crash, a 500 error, or a memory leak.
It was a perfectly executing agent that delivered the wrong answer, confidently, to a customer.
The kind of wrong answer that costs money and trust.

2AIWedia Score

8.2/10

High relevance — worth your attention today

Based on source trust, recency, category impact, and story depth.

3Why it matters

Coding AI shifts how fast software ships and how much human review each change needs. DEV — ML reports that originally published on AIdeazz — cross-posted here with canonical link.