Grumpy senior engineer prompt makes Claude work for two days straight

Telling Opus 5.5 that a grumpy senior engineer will review its code kept the model working for two days, producing benchmarks and flame graphs on its own. Separately, an engineer reported that AI-generated PRs, though slower, reach senior-engineer quality with quantified arguments that speed up human review.

2026-10-08 ~ 2026-10-08 · 3 related posts

• Prompting Opus 5.5 with a "grumpy senior engineer reviewer" kept it benchmarking for 2 days — remilouf · 2026-10-08
• Dev: AI-opened PRs are slow but gold, with benchmarks and flame graphs that fast-track review — remilouf · 2026-10-08

1 near-duplicate retellings: remilouf