Ucmanabasi's 800-hour Claude report

- A deep 800+ hour review of Claude found specific prompt patterns that change behavior: 'rank/choose' triggers decisive outputs and 'What am I missing?' surfaces gaps. (x.com) - The author measured that adding self-critique steps improved draft quality by about 40–60%, with goal‑first prompts outperforming role‑first prompts. (x.com) - Those tactics are practical for FP&A and dashboard prototyping where repeatable prompt patterns reduce rework and speed iteration. (x.com)