Skills directory

Use when the user wants to design a mobile app or UI screens, when they mention their Sleek (sleek.design) projects, or when implementing Sleek designs in code (HTML, React Native, SwiftUI).

PyQt6 desktop GUI development rules -- signal/slot architecture, QSS theming, QThread concurrency, layout management, and cross-platform rendering. Enforces MVC separation and responsive UI patterns.

UX design principles for creating intuitive, accessible, and user-centered digital experiences

Use when designing or reviewing a reusable Jetpack Compose component whose visual regions vary by caller, or when primitive content parameters and boolean shape flags are accumulating.

Create responsive layouts using CSS Grid, Flexbox, media queries, and mobile-first design. Use when building adaptive interfaces that work across all devices.

Comprehensive visual design and aesthetics evaluation. Analyzes typography, color, spacing, hierarchy, consistency, branding, and current product-category conventions for polished, professional interfaces.

Generate, preview, save, or validate Preline theme CSS using the bundled local generator in this skill. Use when the user asks to create a new Preline theme, match a brand color, translate a mood into a theme, generate light and dark theme

A modern dark-themed React UI system using Tailwind CSS and Framer Motion. Designed for dashboards, admin panels, and data-rich applications with glassmorphism effects and tasteful animations.

Ink terminal renderer for json-render that turns JSON specs into interactive terminal UIs. Use when working with @json-render/ink, building terminal UIs from JSON, creating terminal component catalogs, or rendering AI-generated specs in the

Material-UI v7 component library patterns including sx prop styling, theme integration, responsive design, and MUI-specific hooks. Use when working with MUI components, styling with sx prop, theme customization, or MUI utilities.

Semi-automated design quality review for Flows apps. Runs concrete repo probes (grep, lint, build) to propose a draft 1–5 score for each of the official 10 quality-guidelines questions from docs.cognite.com/cdf/flows/guides/quality-guidelin

Design a form end to end — field order, grouping, validation, and completion. Use when the artifact is a form. For product-wide error strategy use `error-handling-ux`; for first-run signup use `onboarding-design`.

Mobile UI patterns - React Native, iOS/Android, touch targets

Use when the user needs full UI/UX design intelligence — styles, palettes, fonts, UX guidelines, chart selection, and accessible, performant implementation across any supported stack. Triggers: user says "design", "UI", "UX", "color palette

Use this skill when designing terminal user interfaces, creating TUI layouts, choosing TUI color schemes, implementing keyboard navigation, building terminal dashboards, or working with any TUI framework. Activates on mentions of TUI design

UX/UI design principles for building and critiquing interfaces. Use for accessibility audits (WCAG, EAA), microcopy, forms, navigation, onboarding, internationalization and RTL, voice and AI interfaces, and design systems.

Audit and improve the visual design, polish, and player experience of an existing game. Use when the user says "make my game look better", "improve the design", "add polish", "add juice", "add particles", "fix the UI", or "make it more visu

Advanced Compose Multiplatform UI patterns for shared composables. Use when working with visual UI components, state management patterns (remember, derivedStateOf, produceState), recomposition optimization (@Stable/@Immutable visual usage),

Web platform design and accessibility guidelines. Use when building web interfaces, auditing accessibility, implementing responsive layouts, or reviewing web UI code. Triggers on tasks involving HTML, CSS, web components, WCAG compliance, r

Deprecated compatibility entry for Carousel construction. This component is now maintained in Bricks; install and use component-builder to build a new Carousel.

Build responsive, mobile-first layouts using fluid containers, flexible units, media queries, and touch-friendly design that works across all screen sizes. Use this skill when creating or modifying UI layouts, responsive grids, breakpoint s

Create distinctive, high-converting landing pages that combine proven conversion elements with exceptional design quality. Build beautiful, memorable landing pages using Next.js 14+ and ShadCN UI that avoid generic AI aesthetics while follo

Review a web app or page for visual design quality — layout, typography, spacing, colour, hierarchy, consistency, interaction patterns, and responsive behaviour. Not a UX audit (that checks usability) — this checks whether it looks professi

UI/UX design intelligence for web, mobile, and desktop. This skill should be used when designing, building, reviewing, or fixing interfaces, including pages, components, design systems, accessibility, interaction, responsive layout, typogra

Generative UI framework that renders AI-generated JSON specs into type-safe UI components across React, Vue, Svelte, Solid, React Native, video, PDF, and email.

Critique a rendered screen's colour — contrast ratios, palette coherence, and semantic meaning. Use when reviewing one screen. For a product-wide WCAG audit use `accessibility-audit` (design-systems); for building the palette use `color-sys

UI component library patterns for shadcn/ui and Radix Primitives. Use when building accessible component libraries, customizing shadcn components, using Radix unstyled primitives, or creating design system foundations.

UI/UX design intelligence. 50 styles, 21 palettes, 50 font pairings, 20 charts, 8 stacks (React, Next.js, Vue, Svelte, SwiftUI, React Native, Flutter, Tailwind). Actions: plan, build, create, design, implement, review, fix, improve, optimiz

Create award-winning, cinematic frontend interfaces that feel ALIVE. Combines 10+ years of creative frontend experience with technical excellence. Specializes in WebGL, custom shaders, premium animations, and distinctive aesthetics that wou

Use when designing or implementing product-grade web motion like Stripe, Linear, Apple, and Vercel. Covers motion principles, easing/duration defaults, choreography patterns, scroll/hover interactions, performance, accessibility (reduced mo

Builds and reviews Ionic Framework UI in Capacitor apps (Ionic 9 current, Ionic 8 still common) - page structure (`ion-header`/`ion-content`/`ion-footer`), lists, modern form syntax (`label`/`labelPlacement` on `ion-input`/`ion-select`), sh

Anti Slop: Rules for AI Coding Agents. The core filter. Load always to stop generic AI slop.

Use when building, fixing, or improving ANY SwiftUI UI — views, navigation, layout, animations, gestures, debugging, iOS 26 features, iPhone Duo, view-level performance, feature architecture.

Responsive design with Container Queries, fluid typography, cqi/cqb units, subgrid, intrinsic layouts, foldable devices, and mobile-first patterns for React applications. Use when building responsive layouts or container queries.

Tailwind CSS v4 principles. CSS-first configuration, container queries, modern patterns, design token architecture.

100+ animated React components (Aceternity UI) for Next.js with Tailwind. Use for hero sections, parallax, 3D effects, or encountering animation, shadcn CLI integration errors.

UI and visual skill for antislop. Use when building or editing any interface: color, layout, components, motion. Load with the core.

UX designer and UI specialist. Use when the user asks to talk to Sally or requests the UX designer

Create wireframes and interactive prototypes to visualize user interfaces and gather feedback early. Use tools and techniques to communicate design ideas before development.

Expert in TailwindCSS utility-first styling with responsive design patterns

Capture the user's UX vision in two documents: DESIGN.md for how the product looks and EXPERIENCE.md for how it behaves. Use when the user says "lets create UX design" or "create UX specifications" or "help me plan the UX"

Art-direct and implement distinctive, motion-rich marketing, editorial, portfolio, and landing websites with original reference-inspired imagery, standout heroes, GSAP choreography, one smooth-scroll engine, optional Three.js shaders, hones

Mobile layout skill for antislop. Use for layouts that reflow across screen sizes, phone to desktop: grids, overflow, tap targets. Load with the core.

Human and accessibility skill for antislop. Contrast, keyboard, focus, and states for real people. Includes the contrast checker.

Plan complex Blazor UI features by decomposing them into focused components. USE FOR: building a complex Blazor page with multiple sections, planning component decomposition, designing a multi-section dashboard or layout, breaking down a la

Turn a vague product, UI/UX, or AI feature idea into a decided direction. Use when shaping a feature, simplifying an overcomplicated flow, deciding whether and how to use AI, defining screen states, planning validation, or preparing a desig

Use when designing/implementing UI with Tailwind CSS (layout, typography, responsive, theming, component patterns). Includes quick recipes and conventions for clean, consistent web design.

Critique a rendered screen's density — cognitive load, content prioritisation, scanning patterns, and progressive disclosure. Use when a screen feels overwhelming. For the underlying choice-count principle, use `hicks-law` (interaction-desi

Look at the current project's design (its shadcn / Tailwind CSS variables and color tokens) and publish it to the 21st.dev community as a shareable theme, using `21st publish-theme`. Use when the user says "publish my theme", "share our des

Search, install and pull code from the 21st.dev catalog with the `21st` CLI (`@21st-dev/cli`): find React/shadcn components, themes and templates, print a component's code or a theme's CSS, install an item into the project, or generate a ne