expert▌

Complete iOS/macOS/watchOS/tvOS development with SwiftUI, async/await, protocol-oriented design, and actor-based concurrency. \n \n Covers SwiftUI state management with @Observable, async/await patterns, protocol-oriented architecture with associated types, and actor isolation for thread safety \n Includes validation checkpoints at each workflow stage: compilation verification, strict warning checks for actor isolation, and async test confirmation \n Provides reference guides for SwiftUI pattern

Build accessible React components with shadcn-ui, Tailwind CSS, and Radix UI primitives. \n \n Supports 50+ pre-built components across forms, layouts, dialogs, tables, data display, and feedback patterns, installable via CLI or natural language requests \n Works with Next.js, Vite, Remix, Astro, Laravel, Gatsby, and React Router; integrates with shadcn MCP server for component discovery \n All components use Tailwind CSS for styling with built-in dark mode, CSS variable theming, and component v

Expert SwiftUI code review, refactoring, and implementation guidance with iOS 26+ and macOS support. \n \n Covers state management, view composition, performance optimization, and modern SwiftUI patterns across iOS 15+ through iOS 26+ \n Flags deprecated APIs and suggests modern replacements; gates version-specific features with #available and fallbacks \n Addresses lists, layouts, animations, accessibility, Swift Charts, and platform-specific patterns (macOS scenes, Liquid Glass) \n Enforces co

Provides expertise in Elixir development, Phoenix Framework, and OTP patterns. Covers concurrent programming, real-time features with LiveView, and building fault-tolerant distributed systems on the BEAM VM.

Use this skill to build, review, or improve SwiftUI features with correct state management, optimal view composition, and iOS 26+ Liquid Glass styling. Prioritize native APIs, Apple design guidance, and performance-conscious patterns. This skill focuses on facts and best practices without enforcing specific architectural patterns.

Review and fix Kotlin Coroutines issues in Android codebases by applying structured concurrency, lifecycle safety, proper scoping, and modern best practices with minimal behavior changes.

Visual UI patterns for sharing composables across Android and Desktop.

Advanced TypeScript expertise covering type systems, performance optimization, monorepo patterns, and modern tooling. \n \n Diagnoses and resolves complex type errors, circular dependencies, and performance bottlenecks with systematic debugging approaches \n Guides migrations from JavaScript to TypeScript, ESM/CJS transitions, and tool upgrades (ESLint to Biome, Lerna to Nx/Turborepo) \n Provides type-level programming patterns including branded types, conditional types, and inference techniques

Nest.js framework expert for module architecture, dependency injection, testing, and database integration. \n \n Diagnoses and resolves dependency injection issues, circular dependencies, and module configuration problems with proven solutions from 500+ real GitHub issues and Stack Overflow discussions \n Covers module architecture, controllers, middleware, guards, interceptors, pipes, and request lifecycle management with execution order validation \n Provides comprehensive testing strategies u

Expert code review of git changes with focus on SOLID violations, security risks, and actionable improvements. \n \n Analyzes current git diff for SOLID principle violations, architecture smells, and removal candidates using structured checklists \n Scans for security risks including injection, authentication gaps, race conditions, and unsafe deserialization with exploitability assessment \n Flags code quality issues: error handling gaps, N+1 queries, boundary condition bugs, and performance hot