Best practices for building a Stripe integrations
Firebase Firestore, Auth, Storage, real-time listeners, security rules
Mobile app UI design expert for iOS and Android. Use when designing app interfaces, creating design systems, ensuring accessibility, or following platform guidelines. Covers Material Design 3,...
Review code for quality, maintainability, and correctness. Use when reviewing pull requests, evaluating code changes, or providing feedback on implementations. Focuses on API design, patterns, and...
Modern TypeScript project architecture guide for 2025. Use when creating new TS projects, setting up configurations, or designing project structure. Covers tech stack selection, layered...
Product interaction and UX expert. Use when reviewing UI/UX, conducting heuristic evaluations, designing user journeys, applying cognitive psychology principles, or ensuring WCAG 2.2 accessibility...
Ralph Wiggum loops - self-referential TDD iteration until tests pass
Express/Hono with Supabase and Drizzle ORM
Visual testing - catch invisible buttons, broken layouts, contrast
TypeScript strict mode with eslint and jest
E2E testing with Playwright - Page Objects, cross-browser, CI/CD
Codebase orientation. Use FIRST when exploring code, finding files, or understanding project structure.
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Modern Go Web application architecture guide. Use when creating new Go web projects, APIs, or microservices. Covers project structure, tech stack selection, and best practices based on Go standards.
Modern Rust project architecture guide for 2025. Use when creating Rust projects (CLI, web services, libraries). Covers workspace structure, error handling, async patterns, and idiomatic Rust best...
Suite of tools for creating elaborate, multi-component claude.ai HTML artifacts using modern frontend web technologies (React, Tailwind CSS, shadcn/ui). Use for complex artifacts requiring state...
Use when receiving code review feedback, before implementing suggestions, especially if feedback seems unclear or technically questionable - requires technical rigor and verification, not...
Android Kotlin development with Coroutines, Jetpack Compose, Hilt, and MockK testing
Next.js with Supabase and Drizzle ORM