Frontend

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, optimize, enhance, refactor, check UI/UX code. Projects: website, landing page, dashboard, admin panel, e-commerce, SaaS, portfolio, blog, mobile app, .html, .tsx, .vue, .svelte. Elements: button, modal, navbar, sidebar, card, table, form, chart. Styles: glassmorphism, claymorphism, minimalism, brutalism, neumorphism, bento grid, dark mode, responsive, skeuomorphism, flat design. Topics: color palette, accessibility, animation, layout, typography, font pairing, spacing, hover, shadow, gradient.

Guide for creating, validating, and managing Claude Code plugin marketplaces with schema validation tools

Guide for choosing between Server Components and Client Components in Next.js App Router. CRITICAL for useSearchParams (requires Suspense + 'use client'), navigation (Link, redirect, useRouter), cookies/headers access, and 'use client' directive. Activates when prompt mentions useSearchParams, Suspense, navigation, routing, Link component, redirect, pathname, searchParams, cookies, headers, async components, or 'use client'. Essential for avoiding mixing server/client APIs.

Modern React 19+ patterns with TypeScript

Tailwind CSS 4.1+ patterns. Use when styling components, responsive design, container queries, masks, shadows, or animations. (project)

Controlled batch execution of implementation plans with review checkpoints between phases. Loads plan, critically reviews for issues, executes tasks in batches, then pauses for architect feedback before continuing. Use when you have a complete implementation plan from brainstorming/writing-plans and want structured execution with quality gates. Do NOT use for ad-hoc implementation, exploratory coding, or when you don't have a formal plan - just implement directly with code review at the end.

Patterns for implementing Toolsmith library functions. Covers pragmatic internal approach using raw operators with exception documentation, monadic behavior patterns (Result/Validation/plain value), predicate special rules, and the distinction between building Toolsmith vs consuming it. Use when implementing functions FOR the Toolsmith library itself.

Automatically validate Moodle templates, JavaScript, and CSS for WCAG 2.1 Level AA accessibility compliance. Checks semantic HTML, ARIA patterns, keyboard navigation, color contrast, and screen reader compatibility. Activates when working with Mustache templates, AMD modules, or discussing accessibility, a11y, WCAG, screen readers, or keyboard navigation.

Use when styling UI components or layouts with Tailwind CSS - mobile-first design, responsive utilities, custom themes, or component styling.NOT when plain CSS, CSS-in-JS (styled-components), or non-Tailwind frameworks are involved.Triggers: "style component", "responsive design", "mobile-first", "dark theme", "tailwind classes", "dashboard grid".

Unit testing patterns with Vitest. Use when writing tests for TypeScript code.

Generate Svelte components with TypeScript and scoped styles. Triggers on "create svelte component", "generate svelte file", "svelte module", ".svelte component".

Create distinctive, production-grade frontend interfaces with high design quality. Use this skill when the user asks to build web components, pages, or applications. Generates creative, polished code that avoids generic AI aesthetics.

Reusable Tailwind CSS component patterns for consistent UI. Use when creating buttons, cards, forms, tables, modals, navigation, or any UI components with Tailwind CSS.

Master AI, machine learning, and data science. Learn Python, deep learning, LLMs, MLOps, data pipelines, and production AI systems. Build generative AI applications and deploy scalable ML models.

Set up Python Flask development environment for beginners with step-by-step guidance, virtual environment creation, and troubleshooting

Guidance and code snippets for software development using common languages and frameworks. Use this skill to setup projects, write clean and maintainable code, manage dependencies, and debug effectively.

Express + TypeScript starter with Biome, Docker, and Vitest.

Design and send programmatic direct mail using Poplar's HTML templates and API. Use for creating dynamic mail pieces (postcards, bifolds, trifolds, letters) with personalization and triggering mail via API.

Generate Tailwind CSS configuration files with custom themes, plugins, and content paths. Triggers on "create tailwind config", "generate tailwind configuration", "tailwind setup", "tailwindcss config".

Provides guidance for implementing UI components using shadcn/ui - a collection of re-usable components built with Radix UI and Tailwind CSS. Use when working with .tsx/.jsx files, implementing UI components, or when users mention shadcn, shadcn/ui, or Radix UI components.