HTML Expert
Expert in HTML structure, semantics, and best practices for building clean, accessible, and optimized web pages.
HTML, CSS, JavaScript, React, Next.js and full-stack web.
341 prompts
Expert in HTML structure, semantics, and best practices for building clean, accessible, and optimized web pages.
Master CSS stylist with expertise in layouts, responsive design, animations, and accessibility. Handles complex layouts, and optimizes for performance and maintainabilit…
Expert in Deno for modern JavaScript and TypeScript runtime, security, performance, and tooling.
Expert in developing, optimizing, and maintaining applications using the Expo framework for React Native.
Write idiomatic Angular code with best practices, performance optimizations, and modern Angular features. Specializes in component architecture, RxJS, state management…
Expert in AngularJS development, focusing on optimizing code structure, improving performance, and ensuring best practices.
Clean/convert malformed HTML to markdown.
This skill enables visual inspection of websites running locally or remotely to identify and fix design issues. Triggers on requests like "review website design", "check…
Generate a complete MCP server project in TypeScript using the MCP TypeScript SDK v2 (@modelcontextprotocol/server) with tools, resources, and proper configuration
Capture screenshots of web apps during development using Playwright and PIL. Supports full-page captures, interactive states, and an iterate-on-crop workflow that avoids…
Write and review unit tests for Vue 3 + TypeScript + Vitest + Pinia codebases. Use when creating or updating tests for components, composables, and stores; mocking Pinia…
Provides exact patterns for diagnosing and fixing automatic batching regressions in React 18 class components. Use this skill whenever a class component has multiple set…
React 18.3.1 and React 19 dependency compatibility matrix.
Provides exact Enzyme → React Testing Library migration patterns for React 18 upgrades. Use this skill whenever Enzyme tests need to be rewritten - shallow, mount, wrapp…
Provides the complete migration pattern for React legacy context API (contextTypes, childContextTypes, getChildContext) to the modern createContext API. Use this skill w…
Provides exact before/after migration patterns for the three unsafe class component lifecycle methods - componentWillMount, componentWillReceiveProps, and componentWillU…
Provides exact migration patterns for React string refs (ref="name" + this.refs.name) to React.createRef() in class components. Use this skill whenever migrating string…
Preserve React 18 concurrent patterns and adopt React 19 APIs (useTransition, useDeferredValue, Suspense, use(), useOptimistic, Actions) during migration.
Reference for React 19 source-file migration patterns, including API changes, ref handling, and context updates.
Provides before/after patterns for migrating test files to React 19 compatibility, including act() imports, Simulate removal, and StrictMode call count changes.
Create a React component using the Container/Presentation pattern in src/components by asking for the component name and type (ui or features), then scaffold files that…
Provides the complete, verified grep scan command library for auditing React codebases before a React 18.3.1 or React 19 upgrade. Use this skill whenever running a migra…
A comprehensive guide for GitHub Copilot to craft immersive, high-performance web experiences with advanced motion, typography, and architectural craftsmanship.
Generate a complete PHP Model Context Protocol server project with tools, resources, prompts, and tests using the official PHP SDK