React Native and Expo best practices for building performant mobile apps. Use when building React Native components, optimizing list performance, implementing animations, or working with native modules. Triggers on tasks involving React Native, Expo, mobile performance, or native platform APIs.
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Comprehensive best practices for React Native and Expo applications. Contains rules across multiple categories covering performance, animations, UI patterns, and platform-specific optimizations.
Reference these guidelines when:
| Priority | Category | Impact | Prefix |
|---|---|---|---|
| 1 | List Performance | CRITICAL | list-performance- |
| 2 | Animation | HIGH | animation- |
| 3 | Navigation | HIGH | navigation- |
| 4 | UI Patterns | HIGH | ui- |
| 5 | State Management | MEDIUM | react-state- |
| 6 | Rendering | MEDIUM | rendering- |
| 7 | Monorepo | MEDIUM | monorepo- |
| 8 | Configuration | LOW | fonts-, imports- |
list-performance-virtualize - Use FlashList for large listslist-performance-item-memo - Memoize list item componentslist-performance-callbacks - Stabilize callback referenceslist-performance-inline-objects - Avoid inline style objectslist-performance-function-references - Extract functions outside renderlist-performance-images - Optimize images in listslist-performance-item-expensive - Move expensive work outside itemslist-performance-item-types - Use item types for heterogeneous listsanimation-gpu-properties - Animate only transform and opacityanimation-derived-value - Use useDerivedValue for computed animationsanimation-gesture-detector-press - Use Gesture.Tap instead of Pressablenavigation-native-navigators - Use native stack and native tabs over JS navigatorsui-expo-image - Use expo-image for all imagesui-image-gallery - Use Galeria for image lightboxesui-pressable - Use Pressable over TouchableOpacityui-safe-area-scroll - Handle safe areas in ScrollViewsui-scrollview-content-inset - Use contentInset for headersui-menus - Use native context menusui-native-modals - Use native modals when possibleui-measure-views - Use onLayout, not measure()ui-styling - Use StyleSheet.create or Nativewindreact-state-minimize - Minimize state subscriptionsreact-state-dispatcher - Use dispatcher pattern for callbacksreact-state-fallback - Show fallback on first renderreact-compiler-destructure-functions - Destructure for React Compilerreact-compiler-reanimated-shared-values - Handle shared values with compilerrendering-text-in-text-component - Wrap text in Text componentsrendering-no-falsy-and - Avoid falsy && for conditional renderingmonorepo-native-deps-in-app - Keep native dependencies in app packagemonorepo-single-dependency-versions - Use single versions across packagesfonts-config-plugin - Use config plugins for custom fontsimports-design-system-folder - Organize design system importsjs-hoist-intl - Hoist Intl object creationRead individual rule files for detailed explanations and code examples:
rules/list-performance-virtualize.md
rules/animation-gpu-properties.md
Each rule file contains:
For the complete guide with all rules expanded: AGENTS.md
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概要と使いどころ
Creating algorithmic art using p5.js with seeded randomness and interactive parameter exploration. Use this when users request creating art using code, generative art, algorithmic art, flow fields, or particle systems. Create original algorithmic art rather than copying existing artists' work to avoid copyright violations.
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Applies Anthropic's official brand colors and typography to any sort of artifact that may benefit from having Anthropic's look-and-feel. Use it when brand colors or style guidelines, visual formatting, or company design standards apply.
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Automates browser interactions for web testing, form filling, screenshots, and data extraction. Use when the user needs to navigate websites, interact with web pages, fill forms, take screenshots, or extract information from web pages.
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Create beautiful visual art in .png and .pdf documents using design philosophy. You should use this skill when the user asks to create a poster, piece of art, design, or other static piece. Create original visual designs, never copying existing artists' work to avoid copyright violations.
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仅使用 AWS CLI 操作 AWS。Agent 直接执行 aws 命令（无需脚本）。仅在用户提到 AWS、S3、EC2、Lambda 等时激活。
日本語の概要は準備中です。原文の説明を表示しています。