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Found 699 Skills
Enforce Test-Driven Development (TDD) workflow for all code changes. Apply PROACTIVELY by default using Red-Green-Refactor cycles for features, bug fixes, and refactoring.
Guide feature development for full-stack applications with architecture focus. Covers Next.js App Router patterns, NestJS backend services, database models, data workflows, and seamless integration. Use when adding new features, refactoring existing code, or planning major changes.
Guides technical decisions, architecture, and implementation. Use for tech choices, system design, API design, refactoring, or "how should I build this" questions.
Ruby on Rails testing best practices for writing effective, maintainable test suites with RSpec. This skill should be used when writing, reviewing, or refactoring Rails tests to ensure proper test design, data management, and coverage patterns. Triggers on tasks involving RSpec specs, model tests, request specs, system tests, factory definitions, Capybara interactions, Sidekiq job tests, or test suite optimization. Complementary to rails-dev, ruby-optimise, and ruby-refactor skills.
Generates technical implementation plans and architectural strategies that enforce the Project Constitution. Use when designing new features, starting implementation tasks, refactoring code, or ensuring compliance with critical standards like Testability-First Architecture, security mandates, testing strategies, and error handling.
MoonBit (.mbt) coding standards and best practices. Use when writing, reviewing, or refactoring MoonBit code.
Use when writing, fixing, editing, or refactoring Python tests. Enforces Clean Code principles—fast tests, boundary coverage, one assert per test.
Production-grade web application UI design based on Refactoring UI principles. ALWAYS activate for: landing page, dashboard, auth screens, hero sections, card design, button design, form inputs, navigation, layouts, spacing decisions, typography hierarchy, color selection, shadows, depth, empty states, background decoration. Provides design workflow, visual hierarchy, spacing systems (4px grid), type scale, HSL color systems, shadow elevation, finishing touches. Turkish: sayfa tasarımı, UI/UX, frontend tasarım, web tasarım, güzel arayüz, modern tasarım, card tasarımı, buton stili, form tasarımı, renk paleti, tipografi. English: beautiful interface, sleek design, premium feel, visual hierarchy, whitespace, color palette, typography scale.
Use when creating or refactoring Stimulus controllers. Applies Hotwire conventions, controller design patterns, targets/values usage, action handling, and JavaScript best practices.
Expert guidance on modern React patterns including hooks, composition, state management, and concurrent features. Use when implementing React components or refactoring existing code.
Software design principles and patterns. This skill should be used when making architectural decisions, designing classes or modules, or evaluating code structure. Use proactively when discussing SOLID principles, coupling, cohesion, connascence, refactoring structure, class design, module boundaries, dependency injection, or the Four Rules of Simple Design. (user)
Implement VIP (View-Interactor-Presenter) Clean Architecture for iOS apps requiring maximum testability, unidirectional data flow, and protocol-based boundaries. Use when refactoring complex features or building enterprise apps with strict separation of concerns.