390 × 299 pt on a 390 pt screen. The demo runs live, one press away.
Coffer Currency Converter Card
A currency converter at the ECB reference rates: type an amount, pick a currency, and swap the direction with the result carried across.
Paste into Claude Code, Cursor or Windsurf. It builds this component 1:1 in your app.
What the prompt carriesEverything inlined, nothing fetched
- 2 files
- written in full, ready to paste
- 200 lines
- Inter
- Regular, 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.
