5 Defenses Against Code Hallucinations (And Why Only 3 Work)

Last week I told how my AI invented a complete JSON structure and wrapped it in DTOs, fixtures, and passing tests. 90 green tests. All lies. That post was the diagnosis. This is the treatment. After discovering the disaster, I did what any engineer with wounded pride does: obsessively research for days to make sure it never happens again. I read papers, tried tools, analyzed real data from my APIs, and built a defense system for my app. ...

February 16, 2026 · Fernando