Web & Frontend

majiayu000 Bundle

Generate interactive HTML walkthroughs with clickable Mermaid diagrams (flowcharts and ER diagrams) that explain codebase features, flows, architecture, and database schemas. Use when asked to "walkthrough", "explain this flow", "how does X work", "trace the code path", "annotated diagram", "code walkthrough", "explain the architecture of", "walk me through", "database schema", "explain the tables", "data model".

majiayu000 Bundle

Generate beautiful, self-contained HTML pages that visually explain systems, code changes, plans, and data. Use when the user asks for a diagram, architecture overview, diff review, plan review, project recap, comparison table, or any visual explanation of technical concepts. Also use proactively when you are about to render a complex ASCII table (4+ rows or 3+ columns) — present it as a styled HTML page instead.

majiayu000 Bundle

Break down high-level plans into specific tasks with file paths, line numbers, and verification steps. Creates execution-ready implementation plans.

majiayu000 Bundle

Implement comprehensive error handling strategies including try-catch blocks, API error responses, Content Collection error handling, custom error pages, and production error monitoring. Use this skill when handling data fetching errors, API route errors, validation failures, or implementing error boundaries. When working on API route error responses with proper HTTP status codes, data fetching logic with try-catch error handling, Content Collection getEntry/getCollection error handling, custom error pages (404.astro, 500.astro), React Error Boundaries for client-side components, client-side script error handling, error logging and monitoring integration (Sentry), build-time error handling, or retry logic with exponential backoff.

majiayu000 Bundle

Use when checking accessibility, color contrast, keyboard navigation, ARIA, or WCAG compliance. Covers WCAG 2.2 Level AA requirements.

majiayu000 Bundle

axe-core integration, WCAG 2.2 AA checklist, keyboard navigation testing, screen reader testing, and ARIA pattern validation.

majiayu000 Bundle

Formal evaluation framework for LLM features implementing Evaluation-Driven Development (EDD) principles.

majiayu000 Bundle

Generate comprehensive tests following project testing patterns. Use after implementing features.

majiayu000 Bundle

Toolkit for interacting with and testing local web applications using Playwright. Supports verifying frontend functionality, debugging UI behavior, capturing browser screenshots, and viewing browser logs.

majiayu000 Bundle

Toolkit for interacting with and testing local web applications using Playwright. Supports verifying frontend functionality, debugging UI behavior, capturing browser screenshots, and viewing browser logs.

majiayu000 Bundle

Use when writing tests for peek-stash-browser. Covers Vitest + React Testing Library (client) and Vitest + integration testing (server). Follow these conventions exactly.

majiayu000 Bundle

Crawl and collect resources for a financial research topic using Exa with full HTML and chart extraction.

majiayu000 Bundle

Framework-agnostic frontend component design patterns. Triggers: React, Vue, Angular, コンポーネント, パターン, hooks, カスタムフック, container, presentational, 分離, 状態管理, state management, composition, HOC, render props

majiayu000 Bundle

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

majiayu000 Bundle

shadcn/ui component patterns. Component installation, customization, theming, accessibility. Use when building UI with shadcn components.

majiayu000 Bundle

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

majiayu000 Bundle

[UI/UX] Toolkit for styling artifacts with a theme. These artifacts can be slides, docs, reportings, HTML landing pages, etc. There are 10 pre-set themes with colors/fonts that you can apply to any artifact that has been creating, or can generate a new theme on-the-fly.

majiayu000 Bundle

Expert UI designer specializing in visual design systems, component libraries, and pixel-perfect interface creation. Creates beautiful, consistent, accessible user interfaces that enhance UX and reflect brand identity

majiayu000 Bundle

[Architecture] Full solution architecture: backend + frontend patterns, design patterns, library ecosystem, CI/CD, deployment, monitoring, testing, code quality, dependency risk. Compare top 3 approaches per concern with recommendation.

majiayu000 Bundle

Review commits from a starting commit hash to HEAD. Use when user says "review commits from <hash>", "code review starting from <hash>", "review changes since <hash>", or provides a commit hash for review. Detects AI slop, component issues, and missed reuse opportunities.

majiayu000 Bundle

Element is a zero dependency library to efficiently generate HTML programmatically, without templates in Go

majiayu000 Bundle

React and Next.js performance optimization guidelines. This skill should be used when writing, reviewing, or refactoring React/Next.js code to ensure optimal performance patterns. Triggers on tasks involving React components, Next.js pages, data fetching, bundle optimization, or performance improvements.

majiayu000 Bundle

Opinionated constraints for building better interfaces with agents.

majiayu000 Bundle

Comprehensive frontend development skill for building modern, performant web applications using ReactJS, NextJS, TypeScript, Tailwind CSS. Includes component scaffolding, performance optimization, bundle analysis, and UI best practices. Use when developing frontend features, optimizing performance, implementing UI/UX designs, managing state, or reviewing frontend code.

majiayu000 Bundle

Document and test React components with Storybook. Covers story writing, controls, args, decorators, play functions, and visual testing. Use for component documentation, design systems, isolated development, and interaction testing.

majiayu000 Bundle

TypeScript patterns specific to React components and hooks.

majiayu000 Bundle

Modern initial access techniques — phishing, payload delivery, HTML smuggling, ISO/IMG bypass, supply chain attacks, credential stuffing, exposed service exploitation

majiayu000 Bundle

(ePost) Use when working with Next.js App Router, Server Components, Server Actions, or page/layout routing

majiayu000 Bundle

Toolkit for interacting with and testing local web applications using Playwright. Supports verifying frontend functionality, debugging UI behavior, capturing browser screenshots, and viewing browser logs.

majiayu000 Bundle

Frontend post-deployment validation and performance checks. TODO: Implement for frontend. Invoked by: "/post-deploy", "verify deployment", "lighthouse check", "cdn check".

majiayu000 Bundle

Suite of tools for creating elaborate, multi-component claude.ai HTML artifacts using modern frontend web technologies (React, Tailwind CSS, shadcn/ui). Use for complex artifacts requiring state management, routing, or shadcn/ui components - not for simple single-file HTML/JSX artifacts.

majiayu000 Bundle

Suite of tools for creating elaborate, multi-component web applications using modern frontend technologies (React, Tailwind CSS, shadcn/ui). Use for complex apps requiring state management, routing, or shadcn/ui components.

majiayu000 Bundle

Posts content to WeChat Official Account (微信公众号) via API or Chrome CDP. Supports article posting (文章) with HTML, markdown, or plain text input, and image-text posting (贴图, formerly 图文) with multiple images. Markdown article workflows default to converting ordinary external links into bottom citations for WeChat-friendly output. Use when user mentions "发布公众号", "post to wechat", "微信公众号", or "贴图/图文/文章".

majiayu000 Bundle

Apply these opinionated testing conventions when writing tests or test strategies: three modes (functional, performance, security), unit/integration/E2E patterns, coverage analysis, automation frameworks, defect tracking, accessibility and usability.

majiayu000 Bundle

Expert guide for deploying Next.js apps to Vercel, managing environments, CI/CD pipelines, and production best practices. Use when deploying, setting up automation, or managing production.

majiayu000 Bundle

Use when creating or modifying Angular components in WebV2 (Angular 19) with proper base class inheritance, state management, and platform patterns.