World-class UX design expertise combining Don Norman's human-centered principles, IDEO's design thinking...
Development
Code generation, debugging, testing, and development workflows
3,063 skills
Vue is the progressive JavaScript framework - adopt as much or as little as you need. From sprinkles of reactivity...
Use when writing tests. Use when test structure is unclear. Use when arrange/act/assert phases are mixed.
Use when a class creates its own dependencies. Use when instantiating concrete implementations inside a class. Use...
Use when writing similar code in multiple places. Use when copy-pasting code. Use when making the same change in...
Use when exposing internal state. Use when making fields public for convenience. Use when external code modifies...
Use when creating mutation endpoints. Use when trusting frontend to prevent duplicates. Use when payments or...
Use when tempted to write clever code. Use when solution feels complex. Use when showing off skills instead of...
Use when creating subclasses or implementing interfaces. Use when tempted to override methods with exceptions or...
Use when adding new functionality to existing code. Use when tempted to add if/else or switch branches. Use when...
Use when working with API keys, passwords, or credentials. Use when asked to hardcode secrets. Use when secrets might leak.
Use when component does too many things. Use when mixing data fetching, logic, and presentation. Use when code is...
Use when creating or modifying classes, modules, or functions. Use when feeling pressure to add functionality to...
Always active. Tracks usage of code-craft skills across sessions. Log skill applications to enable analytics and...
Use when implementing any new feature or function. Use when asked to "add tests later". Use when writing code before tests.
Use when writing tests that share state. Use when tests depend on other tests. Use when test order matters.
Creating algorithmic art using p5.js with seeded randomness and interactive parameter exploration. Use this when...
Binding audio analysis data to visual parameters including smoothing, beat detection responses, and...
Backend development guidelines for Node.js/Express/TypeScript applications. Layered architecture (Routes →...
Use when starting any feature, project, or design work. Guides collaborative design refinement through incremental...
Applies Anthropic's official brand colors and typography to any sort of artifact that may benefit from having...
Comprehensive React component library with 30+ production-ready components using shadcn/ui architecture, CVA...
Production-ready React form patterns using React Hook Form (default) and TanStack Form with Zod integration. Use...
Router for web form development. Use when creating forms, handling validation, user input, or data entry across...