ab-testing-strategyDesigns A/B tests, writes structured hypotheses, computes required sample sizes and test duration, performs significance analysis (chi-squared, confidence intervals), produces ship/no-ship/inconclusive recommendations, and advises on frequentist vs Bayesian approach selection. Use when designing or
accessibility-auditRuns axe-core/pa11y/Lighthouse scans, identifies WCAG 2.2 violations by success criterion, generates structured findings reports, fixes ARIA misuse and missing labels, checks keyboard navigation and color contrast ratios, and produces VPAT-ready accessibility documentation. Use when auditing a web i
color-systemsGenerates comprehensive color systems including brand palette shade scales (50–950), semantic CSS custom property token mappings, dark mode variants, and WCAG contrast validation — delivered as ready-to-use CSS and design tokens. Use when defining a brand color palette, generating accessible shade s
component-libraryUse when implementing or extending a shared component library — scaffolding new components with CVA variants, writing Storybook stories, wiring visual regression, or auditing existing components for state and a11y coverage.
css-architectureRecommends CSS architecture approaches, compares methodologies, generates migration plans, and produces stylelint configs and cascade layer structures. Use when starting a new frontend project and choosing a CSS approach, refactoring inconsistent CSS, hitting specificity wars, integrating a componen
design-case-studiesProduces structured teardown documents, principle-to-application comparison matrices, and pattern libraries by applying a five-layer analysis framework to real products. Use when analyzing a product's UI/UX to extract transferable patterns, benchmarking your own design against a category leader, loo
design-handoffBridges design and development by generating component spec sheets, running five-gate visual QA checks, producing asset export packages, and writing redline annotations. Use when packaging a design for developer implementation, writing component specifications, running design QA against a built UI,
design-philosophiesConducts structured design evaluations against Gestalt, Nielsen, and Rams principles, produces heuristic evaluation reports with severity-rated findings, and recommends design improvements. Use when running a heuristic evaluation, structuring a design critique, selecting which design framework to ap
design-system-creationScaffolds design system infrastructure, generates Style Dictionary token configs, produces component templates and Storybook setups, and creates UI audit reports. Use when bootstrapping a new design system from scratch, auditing an existing UI for systemization, setting up Storybook + Style Dictiona
design-tokensGuides design token architecture and Style Dictionary configuration, generates token files for web CSS variables, iOS, and Android, and audits token naming and reference integrity. Use when implementing or refactoring design tokens, setting up Style Dictionary, defining a three-tier token architectu
frontend-componentsGenerates and scaffolds reusable UI components with proper state management, props interfaces, lifecycle hooks, and styling encapsulation across React, Vue, Svelte, and Web Components. Use when implementing or scaffolding a reusable UI component in React, Vue, Svelte, or Web Components/Lit; when por
grid-layout-systemsProvides CSS layout code and recommendations using Grid and Flexbox, creates responsive column systems, and selects the right layout approach for pages and components. Use when laying out a page or component, choosing between CSS Grid and Flexbox, setting up a column grid, aligning nested components
information-architectureDesigns information architecture by generating sitemaps, navigation hierarchies, and content taxonomies, running card sort and tree test analyses, and auditing navigation labels against findability criteria. Use when structuring a new site/app's content, when users report "I can't find anything," wh
motion-designRecommends easing functions and durations, generates CSS and Framer Motion animation code, and audits motion for performance and prefers-reduced-motion compliance. Use when adding or fixing UI animation, choosing duration/easing for a transition, debugging janky motion, implementing micro-interactio
responsive-designGenerates responsive layouts with media queries, fluid grids, and container queries, creates breakpoint configurations, optimizes images for multiple resolutions, and validates layouts across viewports. Use when building or refactoring an interface that must work across phone, tablet, and desktop; s
typography-systemsGuides creation and refinement of web typography systems including fluid type scales, font selection and pairing, readability optimization, and design token encoding. Use when building a new type scale, converting fixed sizes to fluid clamp() values, choosing or pairing fonts, fixing readability iss
usability-evaluationAudits interfaces against usability heuristics, conducts cognitive walkthroughs, calculates and interprets SUS scores, and produces severity-ranked usability findings reports. Use when auditing an existing interface for usability issues, when running a heuristic evaluation or cognitive walkthrough,
user-journey-mappingCreates customer journey maps and service blueprints that visualize touchpoints, user emotions, pain points, and opportunities across an end-to-end experience. Use when creating a journey map, customer journey, or CX map; visualizing a user's end-to-end experience for a specific scenario; identifyin
user-researchGuides UX research and discovery workflows including interview planning, persona development, JTBD job stories, competitive audits, and insight synthesis. Use when planning or running user interviews, building personas or JTBD job stories, designing a competitive audit, synthesizing research data, o
ux-writingWrites, reviews, and refines UI microcopy for digital products including button labels, error messages, empty states, and voice and tone documentation. Use when writing or auditing UI copy — button labels, error messages, empty states, onboarding flows, confirmation dialogs, tooltips, success toasts
visual-designDefines aesthetic direction, color palettes, typography pairings, spacing systems, and component visual styles for UI interfaces. Use when designing or coding a new interface that needs a distinctive look and feel, theme, or aesthetic direction; when reviewing visuals for hierarchy or brand alignmen
wireframingCreates wireframe layouts and structural diagrams for UI screens, defining content hierarchy, component placement, responsive behavior, and grid structure. Use when sketching or producing a wireframe, mockup, or lo-fi page layout for a new screen; when restructuring an existing page's content priori