My daughter immediately became the product manager — she requested a beat toggle, caught that long notes disappeared too fast on keypress, and spotted visual overlaps I completely missed.
Deliberately vanilla JS/HTML/CSS — no frameworks, no build step. Setup is: USB cable + Chrome + open index.html.
Open source (GPL-3.0): https://github.com/victorantos/PianoFun
victorbuilds•1h ago
They vibe-coded a piano app for their daughter, and since my daughter is also learning piano I figured I'd give it a shot. The whole thing came together in minutes with Claude Code. My daughter immediately started giving feedback — she's basically the product manager now.
Full story on my blog: https://victorantos.com/posts/hold-my-beer-i-vibe-coded-a-pi...