App · Claude Opus 5.5
Foxglove Hollow
A self-contained, interactive app experiment from the 100 HTML collection. Open the source to try the complete build.
- Created by
- MiaAI Lab
- Published
- Evidence
- Runnable source page and repository thumbnail

Reusable prompt
Design and build a polished standalone web experience called “Foxglove Hollow”. Give it a clear purpose, an immediately legible first screen, complete primary controls, useful empty and active states, and a distinctive visual direction. Deliver one HTML file with inline CSS and JavaScript and no external resources. Make it accessible by keyboard and pointer, responsive from 360px to desktop, compatible with reduced motion, and free of overflow and console errors.
How to use this prompt
- Copy the complete prompt.
- Adapt the subject, inputs, and constraints to your project.
- Run it with Claude Opus 5.5, then inspect and refine the result.