expert▌

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

Simple, pragmatic, opinionated. Only what matters for writing production-grade SQLAlchemy and Alembic code.

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

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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 guidance for Flutter 3.x+ development across mobile, web, desktop, and embedded platforms. \n \n Covers Flutter 3.x architecture, Dart 3.x advanced features, and Impeller rendering engine optimization with performance profiling across all target platforms \n Specializes in state management solutions (Riverpod, Bloc, GetX, Provider) and clean architecture patterns with modular code organization \n Provides platform integration expertise for iOS, Android, web, and desktop with native plugin

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

This skill enables Claude to analyze content analytics data, generate comprehensive reports, identify performance trends, calculate ROI and revenue attribution, and provide actionable insights for content optimization.

Complete financial clarity for indie businesses: profit analysis, tax planning, cash flow forecasting, and multi-venture tracking. \n \n Calculates true profitability using a structured formula that accounts for COGS, operating expenses, owner salary, and tax reserves \n Tracks finances separately across multiple businesses with comparative P&L analysis and runway forecasting \n Provides quarterly estimated tax planning with payment schedules and S-corp vs. sole proprietor guidance \n Inclu