Build production React Native apps with Expo, navigation, native modules, offline sync, and cross-platform patterns.
SkillScore87Maintained
Automatic
◆Frontend / UI pack
Last verified 8/29/2026
What it changes
Passed 20 of 23 test cases with the skill, and 17 of 23 without it.
Without skill74%
With skill87%
Checks it passed that the model alone missed
checks platform is not web before invoking haptic methods
uses Platform.select to separate iOS and Android shadow styles
hides the default header across tab screens using screenOptions
and 1 more in the full report
4 fixed16 passed either way2 still failing1 broke
Pass-rate lift
+13 pp
Tokens
+170%
Agent turns
0%
Response time
+2%
Model gemini-3.6-flashMeasured 8/29/2026v120 of 23 cases passed with skill
Tokens, turns and time describe resource use, not a dollar price.
See it in action
One of 4 test cases the skill fixed. Same model, same prompt, with and without the skill.
1 of 4
Prompt
I want to create a bottom tab navigation layout in Expo Router. Some developers use custom SVG tab bars, but I need standard tab screens with Lucide icons (Home, Search, User, Settings) and theme-aware active/inactive colors. Write the TypeScript layout code.
What was checked, without and with the skill
Checked
Without skill
With skill
uses Tabs from expo-router for tab navigation
Passed
Passed
hides the default header across tab screens using screenOptions
Missed
Passed
case-05 · gemini-3.6-flash · 8/29/2026 · answers are capped and redacted
What's inside
The instructions your model reads when the skill loads.
SKILL.md668 linessingle file
React Native Architecture
Production-ready patterns for React Native development with Expo, including navigation, state management, native modules, and offline-first architecture.