phrazzld

Apply modern CLI development toolchain patterns: Commander.js (default), oclif, Ink for Node.js command-line tools. Use...

Apply testing philosophy: test behavior not implementation, minimize mocks, AAA structure, coverage for confidence not p...

Idiomatic Go patterns for errors, interfaces, concurrency, and packages. Use when: - Writing or reviewing Go code - Desi...

Apply structured logging best practices using Pino for Node.js applications: JSON output, log levels, context, redaction...

Apply modern browser extension toolchain patterns: WXT (default), Plasmo, CRXJS for Chrome/Firefox/Safari extensions. Us...

Apply preferred toolchain and technology stack defaults: pnpm, Next.js, TypeScript, Convex, Vercel, Tailwind, shadcn/ui,...

REST API design principles, versioning, and documentation. Use when: - Designing new API endpoints - Choosing between RE...

Apply comprehensive code review checklist covering purpose, design, quality, correctness, security, performance, testing...

Apply modern mobile development toolchain patterns: Expo (default), React Native, Tauri for iOS/Android apps. Use when b...

Ruby and Rails best practices for services, testing, and architecture. Use when: - Writing or reviewing Ruby/Rails code...

Stripe integration patterns, parameter constraints, and debugging. Auto-invoke when: file contains stripe/payment/checko...

Apply billing and security best practices for payment/auth integrations. Invoke when: setting up Stripe/Clerk/auth, debu...