I built a 100-point prompt scorer for SUNO AI — 16 checks, open-source on npm

Why deterministic prompt scoring? A few months ago I was using SUNO AI and kept regenerating the same song idea 20-30 times before getting something close to what I imagined. The prompt syntax felt opaque. Genre close but sub-genre missed. Mood right but vocals wrong. Turns out SUNO's prompt behavior is actually deterministic enough to score. So I wrote one: suno-prompt-scorer on npm (MIT). What the scorer checks — 16 signals Each check is weighted; total is a percentage 0-100: # Check Category