Design & UX

When the user wants to add, optimize, or design customer testimonials, reviews, or case study sections. Also use when the user mentions "testimonials," "reviews," "customer quotes," "social proof," "case studies," "testimonial section," "customer reviews," "review schema," "testimonial design," or "social proof section."

When the user wants to optimize logo placement, linking, or branding on a website. Also use when the user mentions "logo," "brand logo," "header logo," "logo placement," "AI logo design," "logo link," "logo alt text," "logo sizing," "favicon logo," or "logo usage."

When the user wants to design, optimize, or audit hero sections (above-the-fold main visual area). Also use when the user mentions "hero," "hero section," "hero area," "above the fold," "above the fold content," "landing hero," "main banner," "banner section," "first fold," "hero section design," "hero conversion," "split layout hero," "centered hero," or "hero alignment."

When the user wants to define, audit, or apply visual identity (typography, colors, spacing, frontend aesthetics). Also use when the user mentions "brand style guide," "visual identity," "design system," "typography," "color palette," "brand guidelines," "AI brand aesthetics," "brand colors," "font choices," "spacing system," "design tokens," "motion," "distinctive design," or "frontend aesthetics."

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

When the user wants to optimize for mobile-first indexing or fix mobile usability. Also use when the user mentions "mobile-friendly," "mobile-first indexing," "mobile SEO," "responsive design," "mobile adaptation," "mobile viewport," "viewport meta," "touch targets," "font size mobile," "AMP," or "Accelerated Mobile Pages."

When the user wants to optimize Core Web Vitals, fix LCP, INP, or CLS issues. Also use when the user mentions "Core Web Vitals," "CWV," "LCP," "INP," "CLS," "FID," "page speed," "page performance," "Largest Contentful Paint," "Interaction to Next Paint," "Cumulative Layout Shift," or "Page Experience."

When the user wants to create, optimize, or audit 404 error pages. Also use when the user mentions "404 page," "404 error," "error page," "page not found," "broken link page," "404 design," "custom 404," "404 redirect," "404 page UX," or "404 recovery."

When the user wants to create, optimize, or audit contact page and forms. Also use when the user mentions "contact page," "contact form," "get in touch," "support form," "contact us," "reach us," "contact information," "support contact," or "inquiry form."

When the user wants to add, optimize, or audit table of contents (TOC) for long-form content. Also use when the user mentions "TOC," "table of contents," "table of contents for article," "article TOC," "jump links," "content outline," "article navigation," "in-page navigation," "add TOC to blog," or "TOC for long content."

When the user wants to add, optimize, or audit breadcrumb navigation. Also use when the user mentions "breadcrumbs," "breadcrumb trail," "breadcrumb nav," "breadcrumb links," "path navigation," "site breadcrumb," "BreadcrumbList schema," "location-based breadcrumb," "attribute-based breadcrumb," "site hierarchy display," "add breadcrumbs," or "breadcrumb SEO."

When the user wants to design, optimize, or audit masonry (Pinterest-style) layouts for content display. Also use when the user mentions "masonry layout," "masonry grid," "Pinterest layout," "waterfall layout," "brick layout," "varying height grid," "gallery layout," or "masonry SEO."

When the user wants to design, optimize, or audit carousel/slider layouts for content display. Also use when the user mentions "carousel," "slider," "carousel layout," "testimonial carousel," "gallery carousel," "quote carousel," "image slider," or "carousel accessibility."

When the user wants to add, optimize, or design customer testimonials, reviews, or case study sections. Also use when the user mentions "testimonials," "reviews," "customer quotes," "social proof," "case studies," "testimonial section," "customer reviews," "review schema," "testimonial design," or "social proof section."

When the user wants to optimize logo placement, linking, or branding on a website. Also use when the user mentions "logo," "brand logo," "header logo," "logo placement," "AI logo design," "logo link," "logo alt text," "logo sizing," "favicon logo," or "logo usage."

When the user wants to design, optimize, or audit hero sections (above-the-fold main visual area). Also use when the user mentions "hero," "hero section," "hero area," "above the fold," "above the fold content," "landing hero," "main banner," "banner section," "first fold," "hero section design," "hero conversion," "split layout hero," "centered hero," or "hero alignment."

When the user wants to define, audit, or apply visual identity (typography, colors, spacing, frontend aesthetics). Also use when the user mentions "brand style guide," "visual identity," "design system," "typography," "color palette," "brand guidelines," "AI brand aesthetics," "brand colors," "font choices," "spacing system," "design tokens," "motion," "distinctive design," or "frontend aesthetics."

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

Apply professional typography principles to create readable, hierarchical, and aesthetically refined interfaces. Use when setting type scales, choosing fonts, adjusting spacing, designing text-heavy layouts, implementing dark mode typography, or when asked about readability, font pairing, line height, measure, typographic hierarchy, variable fonts, font loading, or OpenType features.

Create visual parameter tuning panels for iterative adjustment of animations, layouts, colors, typography, physics, or any numeric/visual values. Use when the user asks to "create a tuning panel", "add parameter controls", "build a debug panel", "tweak parameters visually", "fine-tune values", "dial in the settings", or "adjust parameters interactively". Also triggers on mentions of "leva", "dat.GUI", or "tweakpane".

Ruthlessly analyze architectural seams—the interfaces, boundaries, and contracts between system components—to expose coupling problems, abstraction leaks, and design failures. Use when asked to review architecture, analyze coupling, find interface problems, improve module boundaries, audit dependencies, or redesign system structure. Produces uncompromising redesign proposals that prioritize correctness over backwards compatibility.

Guide users step-by-step through manually testing whatever is currently being worked on. Use when asked to "test this", "verify it works", "let's test", "manual testing", "QA this", "check if it works", or after implementing a feature that needs verification before proceeding.

Use when designing or building native macOS applications with SwiftUI or AppKit. Triggers on menu bar structure, keyboard shortcuts, multi-window behavior, Liquid Glass design system, macOS Tahoe/Sequoia, sidebar navigation, toolbar design, app icons, SF Symbols, or making an app feel like a "good Mac citizen."

Transform a codebase study guide into a polished interactive web experience. This skill should be used when the user has a completed study guide markdown file (from codebase-study-guide or similar) and wants to turn it into an interactive pedagogical app. Triggers on requests like \"make this study guide interactive\", \"turn this into an interactive experience\", \"visualize this study guide\", \"create an interactive version\", or when a user has a study guide .md file and wants a richer pr...