Total 50,633 skills, Frontend Development has 4876 skills
Showing 12 of 4876 skills
React testing best practices using React Testing Library, Vitest, and Jest. Use when writing, reviewing, or generating tests for React components, hooks, context providers, async interactions, or form submissions. Triggers on tasks like "write a test for this component", "add unit tests", "test this hook", "mock this API call", "improve test coverage", or "set up Vitest".
Use when the user wants to manage the dev server — setup, start, stop, restart, or check status.
Implement Real User Monitoring (RUM) to capture actual user performance data including Core Web Vitals and page load times. Use when setting up user experience monitoring or tracking custom performance events. Trigger with phrases like "setup RUM", "track Core Web Vitals", or "monitor real user performance".
Create a Hyvä child theme in a Magento 2 project. This skill should be used when the user wants to create a new Hyvä child theme, set up a custom theme based on Hyvä, or initialize a new frontend theme directory structure. Trigger phrases include "create hyva child theme", "new hyva theme", "setup child theme", "create custom theme", "initialize theme".
Create distinctive, production-grade frontend interfaces with bold design choices and working code. Use when designing UI components.
Build self-contained interactive web applications as single HTML files. Use for creating demos, prototypes, interactive tools, and standalone web experiences that work without external servers.
Comprehensive Ink skill for building CLI applications with React. Covers components (Text, Box, Static, Transform), hooks (useInput, useApp, useFocus), Flexbox layout, testing, and accessibility.
Turn any concept, idea, or description into a polished static HTML visual, then export it as a PNG or SVG image. Use this skill whenever the user wants to create a visual representation of an idea and needs an image file output (PNG or SVG). This includes: infographics, concept diagrams, flowcharts, comparison charts, process visuals, educational diagrams, social media graphics, data visualizations, posters, cards, badges, icons, logos sketches, or any "make me an image of X" request that can be achieved with HTML/CSS/SVG rather than photographic AI generation. Also trigger when the user has an existing HTML visual and wants to export/convert it to PNG or SVG. Trigger phrases include: "create an image of", "make a visual", "design a graphic", "export as PNG", "save as SVG", "concept to image", "turn this into an image", "screenshot this HTML", "generate an infographic", or any request combining a concept description with image output.
Captures screenshots at multiple viewport breakpoints for responsive design validation and documentation. Use when you need to test responsive layouts, validate mobile/tablet/desktop views, document design system breakpoints, or create visual regression test baselines. Triggers on "test responsive design", "screenshot at breakpoints", "capture mobile and desktop views", "responsive design testing", or "multi-device screenshots". Works with Playwright MCP tools (browser_navigate, browser_resize, browser_take_screenshot).
Create clean, single-file HTML pages for displaying information. Use for quick reference pages, comparisons, lists, or any data you want to view in a browser.
Performance optimization patterns for Mapbox GL JS web applications. Covers initialization waterfalls, bundle size, rendering performance, memory management, and web optimization. Prioritized by impact on user experience.
Generate interactive graph visualizations in the browser from any data - codebases, infrastructure, relationships, knowledge maps