This skill should be used when working with applesauce-common library for social/NIP-specific helpers, casting system, blueprints, and operations. New in applesauce v5 - contains helpers that moved from applesauce-core.
macOS application bundling with cargo-bundle and entitlements
Frontend UI patterns with shadcn/ui, Radix UI, Tailwind CSS v4, and Lucide icons. Use when building UI components, styling, layouts, buttons, cards, dialogs, forms, responsive design, or when the user mentions UI, styling, Tailwind, components, or design.
React 19 patterns and best practices for TanStack Start applications with shadcn/ui, React Hook Form, Zod, Framer Motion, and TanStack Query. Use when building React components, forms, handling state, data fetching, animations, drag and drop, toasts, modals, or when the user mentions React, hooks, components, or UI.
Flutter 3.24+ / Dart 3.5+ development specialist covering Riverpod, go_router, and cross-platform patterns. Use when building cross-platform mobile apps, desktop apps, or web applications with Flutter.
Kotlin 2.0+ development specialist covering Ktor, coroutines, Compose Multiplatform, and Kotlin-idiomatic patterns. Use when building Kotlin server apps, Android apps, or multiplatform projects.
Swift 6+ development specialist covering SwiftUI, Combine, Swift Concurrency, and iOS patterns. Use when building iOS apps, macOS apps, or Apple platform applications.
Use when user EXPLICITLY requests "ESPHome", "ESP32", "ESP8266", or device firmware. NOT for: Home automations (use home-assistant or node-red skill).
Mobile-first UX optimization for touch interfaces, responsive layouts, and performance. Use for viewport handling, touch targets, gestures, mobile navigation. Activate on mobile, touch, responsive, dvh, viewport, safe area, hamburger menu. NOT for native app development (use React Native skills), desktop-only features, or general CSS (use Tailwind docs).
Vaporwave + glassomorphic UI designer for photo/memory apps. Masters SwiftUI Material effects, neon pastels, frosted glass blur, retro-futuristic design. Expert in 2025 UI trends (glassmorphism, neubrutalism, Y2K), iOS HIG, dark mode, accessibility, Metal shaders. Activate on 'vaporwave', 'glassmorphism', 'SwiftUI design', 'frosted glass', 'neon aesthetic', 'retro-futuristic', 'Y2K design'. NOT for backend/API (use backend-architect), Windows 3.1 retro (use windows-3-1-web-designer), generic web (use web-design-expert), non-photo apps (use native-app-designer).
Redesign mobile app UI to feel unmistakably Apple-like, iOS-forward, and native. Use this skill when building iOS apps, applying Apple Human Interface Guidelines, or creating native-feeling mobile interfaces with SF Pro typography, translucency, and system-like components.
Expert in macOS Accessibility APIs (AXUIElement) for desktop automation. Specializes in secure automation of macOS applications with proper TCC permissions, element discovery, and system interaction. HIGH-RISK skill requiring strict security controls.
Expert in building desktop applications for Windows, macOS, and Linux with focus on platform-specific configurations, code signing, and distribution requirements
Redesign mobile app UI to feel unmistakably iOS-native with modern Apple-like glass materials (translucency, blur, depth). Use this skill when designing iOS-first interfaces that leverage iOS material hierarchy (ultra-thin/regular/thick), SF Pro typography, safe-area patterns, and system component behaviors—without overdoing glass effects.
Sealed class configuration pattern for Kotlin applications with environment-specific settings
Generate MicroPython programs for the Moving Rainbow LED strip educational project using Raspberry Pi Pico with NeoPixel strips and button controls.
React Native mobile development covering iOS and Android cross-platform apps, navigation, state management, native modules, and performance optimization for production-ready mobile applications
Expert Kotlin developer specializing in coroutines, multiplatform development, and Android applications. Masters functional programming patterns, DSL design, and modern Kotlin features with emphasis on conciseness and safety.
Master Kotlin coding standards with null safety, coroutines, and idiomatic patterns. Use when developing JVM/Android applications requiring type-safe async programming.
Mobile-Ios standards for mobile ios in Frontend environments. Covers
Mobile-Android standards for mobile android in Frontend environments.
Expert knowledge in mobile app development for iOS, Android, and cross-platform solutions
