Booting simulator
Live preview, running the exact code the prompt carries
Chit Pay HMRC
Paying the 31 January bill: last year's balance and the first payment on account adding up, the HMRC reference, paid by bank on the day.
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
- 310 lines
- Figtree, Instrument Sans
- Regular, Medium, Semi Bold, Bold · 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.