Master Rust's ownership system, type safety, and zero-cost abstractions for building safe, concurrent, and performant systems. Covers borrowing, lifetimes, traits, error handling, async/await, and testing patterns.
Expert Swift developer specializing in Swift 5.9+ with async/await, SwiftUI, and protocol-oriented programming. Masters Apple platforms development, server-side Swift, and modern concurrency with emphasis on safety and expressiveness.
Best practices for building UI with Jetpack Compose, focusing on state hoisting, detailed performance optimizations, and theming. Use this when writing or refactoring Composable functions.
This skill should be used when the user asks to "perform mobile application penetration testing", "test Android app security", "bypass SSL pinning", "analyze APK files", "reverse engineer mobile apps", "test for insecure data storage", or "assess mobile app vulnerabilities". It provides comprehensive techniques for Android application security assessment.
Best practices for implementing Android ViewModels, specifically focused on StateFlow for UI state and SharedFlow for one-off events.
Kotlin Coroutines review and remediation for Android. Use when asked to review concurrency usage, fix coroutine-related bugs, improve thread safety, or resolve lifecycle issues in Kotlin/Android code.
Convert Android XML layouts to Jetpack Compose. Use when asked to migrate Views to Compose, convert XML to Composables, or modernize UI from View system to Compose.
Implement navigation in Jetpack Compose using Navigation Compose. Use when asked to set up navigation, pass arguments between screens, handle deep links, or structure multi-screen apps.
Reviews macOS Swift 6+ code for modern idioms, SOLID principles, SwiftData patterns, and concurrency best practices. Use when reviewing macOS code quality or asking about best practices.
When an application needs to store config, data, cache, or state files. When designing where user-specific files should live. When code writes to ~/.appname or hardcoded home paths. When implementing cross-platform file storage with platformdirs.
Guide to macOS 26 Tahoe APIs and features. Covers Apple Intelligence, Foundation Models, MLX framework, and Continuity. Use when implementing macOS 26 specific features.
Authoritative rules and patterns for production-quality Kotlin Coroutines onto Android. Covers structured concurrency, lifecycle integration, and reactive streams.
Bootstrap a new macOS (nix-darwin) host in the serenitea-pot flake.
Use this skill when working with Playgama Bridge SDK for Defold games. Activates for game development involving cross-platform publishing, advertisements, in-app purchases, leaderboards, or social features using Playgama Bridge in Defold/Lua.
Use this skill when working with Playgama Bridge SDK for HTML5 games. Activates for game development involving cross-platform publishing, advertisements, in-app purchases, leaderboards, or social features using Playgama Bridge.
Use when building SwiftUI interfaces for iOS, iPadOS, macOS, or visionOS. Triggers on Liquid Glass adoption, SwiftUI animation/transitions, layout patterns, state management, design tokens, performance optimization, accessibility in SwiftUI, or creating "Apple-level" UI quality.
Build and debug ARKit features for visionOS, including ARKitSession setup, authorization, data providers (world tracking, plane detection, scene reconstruction, hand tracking), anchor processing, and RealityKit integration. Use when implementing ARKit workflows in immersive spaces or troubleshooting ARKit data access and provider behavior on visionOS.
Integrate the emotive-mascot into new use cases, applications, and frameworks. Use when adding mascot to a new page, creating custom interactions, or setting up framework-specific implementations (React, Vue, vanilla JS).
Use this skill when working with Playgama Bridge SDK for Unity games. Activates for game development involving cross-platform publishing, advertisements, in-app purchases, leaderboards, or social features using Playgama Bridge in Unity/C#.
Use when designing or building native macOS applications with SwiftUI or AppKit. Triggers on menu bar structure, keyboard shortcuts, multi-window behavior, Liquid Glass design system, macOS Tahoe/Sequoia, sidebar navigation, toolbar design, app icons, SF Symbols, or making an app feel like a "good Mac citizen."
Design and implement visionOS SwiftUI scenes that integrate RealityKit content. Use when building spatial UI with RealityView, Model3D, attachments, volumetric windows, ImmersiveSpace, or spatial gestures, or when choosing SwiftUI vs RealityKit APIs for 3D presentation.
