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Found 51 Skills
Master REST and GraphQL API design principles to build intuitive, scalable, and maintainable APIs that delight developers. Use when designing new APIs, reviewing API specifications, or establishing API design standards.
Guidelines that help developers design maintainable, scalable, reusable, and loosely coupled software systems. Use when the user asks about design principles, clean code, refactoring, code structure, SOLID, DRY, dependencies, or maintaining software systems.
Core visual design principles that underpin all great design. Master gestalt psychology, visual hierarchy, composition, color theory, and typography fundamentals. Use when making design decisions or evaluating designs against proven principles.
Use when designing modules and components requiring Composition Over Inheritance, Law of Demeter, Tell Don't Ask, and Encapsulation principles that transcend programming paradigms.
Define a set of actionable design principles that guide decision-making and resolve trade-offs.
Apply Apple's 8 foundational design principles (from WWDC26) to review, critique, score, or generate UI/UX decisions. Use this skill whenever the user wants to evaluate a design, review a screen or flow, audit a feature for design quality, decide what to build or cut, check if a UI feels right, or think through how to design something for iPhone/Mac/Apple platforms. Also trigger when the user asks "is this good design?", "what's wrong with this UI?", "how should I design X?", or "review this from a design perspective." Don't wait for the user to explicitly say "Apple design principles" — invoke whenever the conversation is clearly about design quality, UX decisions, or product design critique.
Comprehensive UI and UX design principles for software development. This skill should be used when designing interfaces, implementing user interactions, ensuring accessibility, optimizing performance, and creating responsive layouts. Triggers on tasks involving UI components, user experience flows, accessibility requirements, responsive design, or design system implementation.
Object-oriented design principles including object calisthenics, dependency inversion, fail-fast error handling, feature envy detection, and intention-revealing naming. Triggers on: writing new classes or functions, refactoring, code review, 'clean up', method longer than 10 lines, feature envy, primitive obsession, deep nesting.
Enforce a precise, minimal design system inspired by Linear, Notion, and Stripe. Use this skill when building dashboards, admin interfaces, or any UI that needs Jony Ive-level precision - clean, modern, minimalist with taste. Every pixel matters.
Technology-agnostic guidance for modular systems: bounded contexts, clear boundaries, composability, state isolation, explicit contracts, failure containment, scaffolding workflows, split/merge criteria, sub-units inside a context, and compliance review signals. Use when designing or reviewing module structure, service boundaries, package layout, cross-cutting dependencies, "how should we split this?", modularity assessments, coupling between domains, greenfield context design, or architecture discussions without assuming a specific framework, language, or repository layout. Do NOT use for executing the full Patterns 1–5 repo decomposition pipeline or per-pattern inventories (use modular-decomposition), phased extraction roadmaps as the main deliverable (use decomposition-planning-roadmap), or end-to-end legacy migration strategy (use legacy-migration-planner).
Create polished, intentional frontend interfaces. Use this skill when building any UI — dashboards, admin panels, landing pages, marketing sites, or web applications. Routes to specialized guidance based on context.
Creates comprehensive design systems with typography, colors, components, and documentation for consistent UI development. Use when establishing design standards, building component libraries, or ensuring cross-team consistency. Keywords: design-tokens, typography, spacing, color-palette, components, patterns, variables, dark-mode, theming, CSS-variables, accessibility, WCAG, responsive, grid-system, breakpoints, design-scale, semantic-tokens, component-library, style-guide, documentation, Figma, Storybook, brand-consistency, design-principles