CRAP Score as deterministic AI quality gate

Fri, 21 Aug 2026 12:06:11 +0200

AI produces code fast. The code generated is non-deterministic. Code complexity tends to increase.

Any new project started using AI, looks good. Until it doesn’t. It decays very fast without human steering.

Providing contextual style-guides, or rules as Markdown doesn’t work. You expect deterministic outputs from a non-deterministic process.

AI will either edit your current program, or extend it.

On edit, it will often reuse the same style and standards in the codebase its modifying.

Jan's blog