Live preview, running the exact code the prompt carries
Pylon Meter Reading
Submitting both meter registers, import and export, with the plausibility check done as real arithmetic: every keypress is turned back into kilowatt hours a day since the last read and held against what the half hourly record already metered, and the screen says plainly what happens after it is sent.
Paste into Claude Code, Cursor or Windsurf. It builds this screen 1:1 in your app.
What the prompt carriesEverything inlined, nothing fetched
- screen.tsx
- written in full, ready to paste
- 625 lines
- Inter
- Regular, Medium, Semi Bold, Bold
- via @expo-google-fonts
- Integration rules
- ships 1:1, never re-themed to your app
- SDK 52+
The rule this design follows
It ships exactly as previewed: same colors, same type, same copy, same motion. The prompt tells your agent to build that, and not to adapt it to your existing theme.













