Design & UX

Verify visual and structural parity between XHTML chapters and POD PDF files. Use to ensure print edition matches digital EPUB layout.

This skill should be used when applying brand colors, typography, visual formatting, or design standards to any document, presentation, artifact, or creative output. Use when brand consistency, color palette application, typographic styling, or visual design standards are needed. (project)

WebGPU fundamentals for high-performance canvas rendering. Covers device initialization, buffer management, WGSL shaders, render pipelines, compute shaders, and web component integration. Use when building GPU-accelerated graphics, particle systems, or compute-intensive visualizations.

Build web components using Custom Elements v1 API with Declarative Shadow DOM, attribute-driven state, handleEvent pattern, and zero DOM selection. Use when creating custom elements, extending built-in HTML elements, or implementing component-based architecture. NO querySelector, NO innerHTML, NO external libraries - pure web platform APIs only.

Icon usage patterns using Material Symbols v3. Use when adding icons to buttons, navigation, or status indicators. Covers sizing, accessibility, animations, and color integration with project tokens.

User feedback patterns including success/error messages, loading states, confirmations, and progress indicators. Use when implementing notifications, toasts, or status updates. (project)

Cognitive psychology principles for UX design decisions. Use when planning features, structuring interfaces, reducing complexity, or optimizing user journeys. Covers choice architecture, cognitive load, attention, and experience design. (project)

Animation patterns using Anime.js v4 for UI feedback, transitions, and celebrations. Use when implementing hover effects, transitions, loading animations, or gamification feedback. Includes reduced motion handling. (project)

CSS Container Queries with container units (cqi, cqw, cqh, cqb) combined with Utopia.fyi fluid scales for component-level responsiveness. Use when creating truly modular components that adapt to container size, implementing component-level fluid typography with cqi units, or building context-aware design systems. Extends Utopia philosophy from viewport-based to container-based fluidity.

Complete reference for Rubin Observatory design system CSS variables and design tokens. Use this skill when styling components, referencing CSS custom properties, understanding the design token architecture, or working with colors, spacing, typography, and other design primitives. Covers both rubin-style-dictionary foundation tokens and squareone-specific tokens.

Presentation creation, editing, and analysis. When Claude needs to work with presentations (.pptx files) for: (1) Creating new presentations, (2) Modifying or editing content, (3) Working with layouts, (4) Adding comments or speaker notes, or any other presentation tasks

Presentation creation, editing, and analysis. When Claude needs to work with presentations (.pptx files) for: (1) Creating new presentations, (2) Modifying or editing content, (3) Working with layouts, (4) Adding comments or speaker notes, or any other presentation tasks

Presentation creation, editing, and analysis. When Claude needs to work with presentations (.pptx files) for: (1) Creating new presentations, (2) Modifying or editing content, (3) Working with layouts, (4) Adding comments or speaker notes, or any other presentation tasks

Create rich, responsive interactive experiences that make applications a joy to use. Use this skill when building components with user interactions, forms, data-heavy interfaces, or any feature requiring thoughtful UX patterns. Complements frontend-design with psychology-driven interaction patterns.

Presentation creation, editing, and analysis. When Claude needs to work with presentations (.pptx files) for: (1) Creating new presentations, (2) Modifying or editing content, (3) Working with layouts, (4) Adding comments or speaker notes, or any other presentation tasks

Design system patterns with DTCG tokens, WCAG 2.2, and Figma integration

Guide through updating AI design patterns with comprehensive checklist completion, code examples, images, documentation, and interactive demos

Create interactive mini-lessons for the PAES math curriculum. Use when the user wants to add a new lesson, create lesson content, or implement lesson steps.

Creates unique web designs with brand identity, color palettes, typography, and modern UI/UX patterns. Use for brand identity development, visual design systems, layout composition, and responsive web design. Activate on "web design", "brand identity", "color palette", "UI design", "visual design", "layout". NOT for typography details (use typography-expert), color theory deep-dives (use color-theory-expert), design system tokens (use design-system-creator), or code implementation without des...

Master coordinator that delegates to specialist skills, synthesizes outputs, AND creates new skills on-the-fly when needed. Expert in problem decomposition, skill orchestration, quality assurance, and skill creation for capability gaps. Use for multi-skill coordination, complex task decomposition, workflow design. Activates on 'orchestrate', 'coordinate', 'multi-skill', 'complex task'. NOT for single-domain tasks or simple linear workflows.

Mobile-first UX optimization for touch interfaces, responsive layouts, and performance. Use for viewport handling, touch targets, gestures, mobile navigation. Activate on "mobile", "touch", "responsive", "dvh", "viewport", "safe area", "hamburger menu". NOT for native app development (use React Native skills), desktop-only features, or general CSS (use Tailwind docs).

Presentation creation, editing, and analysis. When Claude needs to work with presentations (.pptx files) for: (1) Creating new presentations, (2) Modifying or editing content, (3) Working with layouts, (4) Adding comments or speaker notes, or any other presentation tasks

Design system patterns, W3C DTCG 2025.10 token architecture, WCAG 2.2 accessibility standards, and Figma MCP workflows for consistent, accessible UI development

Industry-standard Product Requirements Document (PRD) creation skill that guides Product Managers through creating comprehensive, research-backed PRDs. Uses proven frameworks from Google, Amazon, and Intercom to ensure PRDs provide all details needed for superior Spec Kit specifications.