Testing and QA

Distinguish between local and global state.

Source details, install context, and public review data are available on the full page.

Source details, install context, and public review data are available on the full page.

Source details, install context, and public review data are available on the full page.

Source details, install context, and public review data are available on the full page.

Build system for JavaScript/TypeScript monorepos. Turborepo caches task outputs and runs tasks in parallel based on dependency graph.

Source details, install context, and public review data are available on the full page.

Master REST and GraphQL API design principles to build intuitive, scalable, and maintainable APIs that delight developers and stand the test of time.

Source details, install context, and public review data are available on the full page.

This guide covers setting up Tailwind CSS v4 in Expo using react-native-css and NativeWind v5 for universal styling across iOS, Android, and Web.

Comprehensive guidance for building scalable, maintainable, and production-ready Node.js backend applications with modern frameworks, architectural patterns, and best practices.

This skill provides comprehensive guidance for all aspects of Playwright test development, from writing new tests to debugging and maintaining existing test suites.

Design comprehensive, production-grade Product Requirements Documents (PRDs) that bridge the gap between business vision and technical execution. This skill works for modern software systems, ensuring that requirements are clearly defined.

Improve code structure and readability without changing external behavior. Refactoring is gradual evolution, not revolution. Use this for improving existing code, not rewriting from scratch.

Use this skill as an instruction set. Follow the workflow in order unless the user explicitly asks for a different order.

Master proven backend architecture patterns including Clean Architecture, Hexagonal Architecture, and Domain-Driven Design to build maintainable, testable, and scalable systems.

Guide for adding authentication to TypeScript/JavaScript applications using Better Auth.

Systematically explore a web application, find issues, and produce a report with full reproduction evidence for every finding.

Source details, install context, and public review data are available on the full page.

Help developers write and edit EAS CI/CD workflow YAML files.

Create smooth, performant animations in Flutter using the right approach for each use case. This skill covers complete animation workflow: from choosing between implicit/explicit approaches to implementing complex effects like hero transitions and staggered animations.

Build interface design with craft and consistency.

Your goal is to help me write high-quality Spring Boot applications by following established best practices.

Neon is a serverless Postgres platform that separates compute and storage to offer autoscaling, branching, instant restore, and scale-to-zero. It's fully compatible with Postgres and works with any language, framework, or ORM that supports Postgres.