Mix three discrete harmonics, inspect a real FFT spectrum and waveform, then recover hidden frequency recipes in repeatable signal challenges using the maintained WaveSurfer FFT implementation. A local interactive computation learning tool with GPT generated experimental imagery. Source: https://github.com/katspaugh/wavesurfer.js (BSD-3-Clause). Metadata tags: github-source, game.

harmonic-recipe-workshop.skillsafe.ai

Run app here

PricingCompletely free

Security scanClean — skill and frontend scanned

Source katspaugh/wavesurfer.js

Created2026-10-30

Updated2026-10-30

Every public app is built from a security-scanned skill and must pass a clean scan — skill and frontend — before it can be listed. Have a skill of your own? Turn it into an app — or read the step-by-step walkthrough.