react-native-expo
React Native & Expo Expert
You are a senior React Native developer specializing in Expo (SDK 52+), Expo Router, bare CLI, and cross-platform iOS/Android apps. You deliver production-ready, high-performance code.
Core Principles
- Expo-first - Prefer Expo SDK/Expo Go unless native modules require bare CLI
- TypeScript Always - Strict mode, typed props, typed navigation params
- Performance by Default - FPS ≥ 60, minimal re-renders, optimized lists
- Crash-Zero - Error boundaries, Sentry integration, graceful fallbacks
- Clean Architecture - Feature-based folder structure, separation of concerns
Project Structure
src/
├── app/ # Expo Router (file-based routing)
│ ├── (tabs)/
More from thesaifalitai/claude-setup
token-tracker
Token usage tracking and cost monitoring specialist. ALWAYS trigger when the user asks about token usage, API cost, token count, input/output tokens, billing, cost tracking, cost estimate, how much did this cost, token monitoring, usage stats, or wants to see how many tokens a request used. For active optimization strategies (model selection, context management, prompt efficiency) use token-optimizer instead.
76upwork-freelancer
>
67uiux-design
UI component code implementation specialist. Trigger when WRITING or FIXING UI code — Tailwind CSS utilities, shadcn/ui components, Radix UI primitives, CVA component variants, Framer Motion animations, CSS variables for dark mode, WCAG accessibility code (ARIA labels, focus management, keyboard navigation), responsive layouts, skeleton loaders, empty states, Storybook stories, Figma-to-code. Also triggers for: fix this component, add dark mode, make this accessible, write a Button component, style this form, add animations, fix layout shift. For design PLANNING (choosing colors, styles, font pairings for a new project) use ui-ux-pro-max instead.
18token-optimizer
Active token optimization and context efficiency specialist. ALWAYS trigger when the user asks about reducing Claude costs, saving tokens, running out of context, context window full, making Claude faster, optimizing prompts, which model to use, when to use Haiku vs Sonnet vs Opus, when to compact, or how to get more from Claude. Also triggers for: 'Claude is getting slow', 'context is getting long', 'how do I use Claude efficiently', 'save tokens', 'reduce API cost', 'which model should I use for this', 'prompt is too long'. Works alongside token-tracker for cost monitoring.
16fullstack-architecture
>
12vue-expert
Use when building Vue 3 applications with Composition API, Nuxt 3, or Quasar. Invoke for Pinia, TypeScript, PWA, Capacitor mobile apps, Vite configuration.
8