Web & Frontend

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Generate design-compliant React components using shadcn/ui primitives and design tokens

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Common interface patterns, navigation patterns, form patterns, data display patterns, feedback patterns, and accessibility considerations

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CSS Grid, Flexbox, and Subgrid using Utopia.fyi fluid spacing for gaps and gutters. Use when creating two-dimensional grid layouts, one-dimensional flex layouts, nested subgrids, or implementing the Utopian declarative grid system. Combines layout primitives with fluid space scales for proportional, responsive layouts without breakpoints.

majiayu000 Bundle

This skill orchestrates code review and plan validation using Google Gemini CLI. It should be used when users want to validate implementation plans, review completed code, or discuss architecture decisions with Gemini as a second opinion. Supports FastAPI, Next.js, and general tech stacks with specialized checklists. Uses gemini-3-pro-preview model with free tier (60 req/min, 1000 req/day).

majiayu000 Bundle

Next.js framework expert specializing in App Router, Server Components, performance optimization, data fetching patterns, and full-stack development. Use this skill for Next.js routing issues, hydration errors, build problems, or deployment challenges.

majiayu000 Bundle

React testing with Vitest, React Testing Library, and MSW. Focuses on user-centric testing, component isolation, and API mocking. Use when writing tests for React components, hooks, or debugging test failures in frontend code.

majiayu000 Bundle

Redux Toolkit for predictable state management in React applications. Slices, async thunks, RTK Query integration, store configuration. Trigger: When implementing Redux state management, creating slices, or managing global application state.

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Service layer patterns for this Next.js application. Covers static class pattern, RLS integration, standard method signatures, and BaseEntityService. Use this skill when implementing business logic or data access services.

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UI component generation patterns for IntelliFill. Replaces magic/21st.dev MCP to save ~3.4k tokens.

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Use when writing blog posts or documentation markdown files - provides writing style guide (active voice, present tense), content structure patterns, and MDC component usage. Overrides brevity rules for proper grammar. Use nuxt-content for MDC syntax, nuxt-ui for component props.

majiayu000 Bundle

리포트 출력 패턴. Excel, HTML 보고서, 콘솔 출력 스타일 가이드.

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Context Cascade - Nested Plugin Architecture for Claude Code Official Claude Code Plugin | Version 3.1.0 | Last updated: 2026-01-09 (see docs/COMPONENT-COUNTS.json for source counts) Context-saving n

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Write comprehensive unit tests for Visual Layout Builder using Vitest. Use when creating tests for lib/ functions, schema validation, canvas utilities, or any business logic. Follows AAA pattern and project testing conventions.

majiayu000 Bundle

Comprehensive testing patterns for modern TypeScript applications covering Vitest, React Testing Library, Playwright E2E, and MSW API mocking.

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Comprehensive project planning and documentation generator for software projects. Creates structured requirements documents, system design documents, and task breakdown plans with implementation tracking. Use when starting a new project, defining specifications, creating technical designs, or breaking down complex systems into implementable tasks. Supports user story format, acceptance criteria, component design, API specifications, and hierarchical task decomposition with requirement traceability.

majiayu000 Bundle

Expert in designing, optimizing, and evaluating prompts for Large Language Models. Specializes in Chain-of-Thought, ReAct, few-shot learning, and production prompt management. Use when crafting prompts, optimizing LLM outputs, or building prompt systems. Triggers include "prompt engineering", "prompt optimization", "chain of thought", "few-shot", "prompt template", "LLM prompting".

majiayu000 Bundle

Diagnose and debug issues in the vehicle insurance data analysis platform. Use when user encounters errors, data not refreshing, filters not working, charts not displaying, API failures, or performance issues. Provides quick diagnostic checklists and proven troubleshooting steps specific to this Vue 3 + Flask + Pandas stack.

majiayu000 Bundle

Generate production-ready SolidJS components with Kobalte accessibility primitives, CVA variants, and Storybook stories. Use when creating UI components for the frontend application.

majiayu000 Bundle

Enhanced dependency analyzer with comprehensive markdown reporting and actionable recommendations. Use when you need to optimize frontend project dependencies, detect security vulnerabilities, identify unused packages, find duplicate functionality, analyze dependency impact, generate cleanup scripts, or produce detailed Markdown reports. Supports JavaScript, TypeScript, Vue, React, Angular, and modern build tools with parallel processing and incremental analysis capabilities.

majiayu000 Bundle

Design reusable, composable UI components with single responsibility, clear props interfaces, minimal state management, and proper encapsulation. Use this skill when creating or modifying React components, Vue components, Svelte components, web components, or any modular UI building blocks. Use this when designing component APIs with props and defaults, managing component state, composing smaller components into larger UIs, documenting component usage, implementing component lifecycle methods, or ensuring components are reusable across different contexts. Use this when working on .jsx, .tsx, .vue, .svelte files in component directories like components/, src/components/, or app/components/.

majiayu000 Bundle

Follow Astro 5 patterns for pages, components, API routes, layouts, and client-side scripts in this hybrid SSR project. Use when the user mentions "add a page", "create a component", "add an API route", "modify the layout", "SSR", "prerender", "static", "dynamic page", "script tag", or "client side".

majiayu000 Bundle

Audit and map a codebase to understand structure, dependencies, and risks. Use when the user asks to audit a repo, understand architecture, or assess codebase quality or health.

majiayu000 Bundle

Generate or update component documentation with usage examples, props tables, and Storybook stories. Use when documenting new components or improving existing component docs.

majiayu000 Bundle

React error boundary hierarchy, fallback UI patterns, offline-first fallback, retry mechanisms, and graceful degradation.

majiayu000 Bundle

Handle errors consistently across frontend and backend. Use when implementing try/catch patterns, error boundaries, API error responses, or error reporting.

majiayu000 Bundle

This skill provides comprehensive knowledge for TanStack Query v5 (React Query) server state management in React applications. It should be used when setting up data fetching with useQuery, implementing mutations with useMutation, configuring QueryClient, managing caching strategies, migrating from v4 to v5, implementing optimistic updates, using infinite queries, or encountering query/mutation errors. Use when: initializing TanStack Query in React projects, configuring QueryClient settings, creating custom query hooks, implementing mutations with error handling, setting up optimistic updates, using useInfiniteQuery for pagination, migrating from React Query v4 to v5, debugging stale data issues, fixing caching problems, resolving v5 breaking changes, implementing suspense queries, or setting up query devtools. Keywords: TanStack Query, React Query, useQuery, useMutation, useInfiniteQuery, useSuspenseQuery, QueryClient, QueryClientProvider, data fetching, server state, caching, staleTime, gcTime, query invali

majiayu000 Bundle

Build full-stack React applications with TanStack Start on Cloudflare Workers. Type-safe routing, server functions, SSR/streaming, and seamless D1/KV/R2 integration. Use when: building full-stack React apps, need SSR with Cloudflare Workers, want type-safe server functions, or migrating from Next.js. RC status - v1.0 stable pending. Monitor tanstack/router#5734 (memory leak) before production use.

majiayu000 Bundle

Master Vue TypeScript - Type-safe Components, Generics, Type Inference, Advanced Patterns

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Authoring WhatsApp Business Flows with validation, component guidance, and server integration patterns. Use when building conversational experiences, collecting user data, implementing conditional logic, or integrating with backend endpoints.

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Specialized visual and multimedia processing tools. Use this skill whenever a task involves complex visual content — UI mockups, dense screenshots, design images, charts, artwork — where precise details like spacing, hex colors, font sizes, and component hierarchy need to be extracted accurately. Also use for: reviewing or auditing existing UI against designs, comparing screenshots for visual regressions, transcribing audio/video, extracting data from PDFs with complex layouts, and generating images. Trigger whenever the user wants to implement from a design, review or compare UI screenshots, analyze visual details precisely, describe artwork or aesthetic content, or process any media file (audio, video, PDF).

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Use this skill whenever Claude needs to fetch, read, extract, or analyze content from a web URL. Converts web pages into clean, token-efficient markdown using the markdown.new service instead of fetching raw HTML. Trigger when the user provides a URL and wants its content summarized, quoted, analyzed, compared, extracted, or processed. Also trigger when Claude needs to read documentation, blog posts, articles, wikis, release notes, changelogs, or any web-hosted text content. Even if the user just pastes a URL with no instruction, use this skill. Do NOT use for binary files, authenticated pages, or API endpoints returning JSON/XML.

majiayu000 Bundle

Reviews shadcn/ui components for CVA patterns, composition with asChild, accessibility states, and data-slot usage. Use when reviewing React components using shadcn/ui, Radix primitives, or Tailwind styling.

majiayu000 Bundle

检查 XSS、CSRF、原型污染等安全问题，支持 React/Vue/Angular

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Unified testing, debugging, and error-fixing skill for backend, database, and frontend. Use when investigating bugs, running tests, analyzing logs, or fixing errors. Consolidates systematic-debugging, testing-patterns, vulnerability-scanner, and webapp-testing principles.

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Comprehensive guide for integrating Stripe with Firebase, Next.js, React, and TypeScript. Use when working with Stripe payments, subscriptions, webhooks, or checkout. Covers webhook setup with Firebase Cloud Functions v2, Next.js App Router webhook handling, signature verification, common errors and solutions, Stripe CLI usage, and MCP integration. Essential for setting up Stripe correctly in Firebase+Next.js+TypeScript projects.

majiayu000 Bundle

Write end-to-end tests with Playwright for web applications. Includes fixtures, page objects, test templates, visual regression testing, and accessibility audits.