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Framework-agnostic rules for accessible, performant, responsive web interfaces aligned with WCAG 2.2 and modern web standards. \n \n Comprehensive accessibility guidance covering semantic HTML, ARIA, keyboard navigation, focus management, color contrast, forms, and error handling with specific WCAG success criteria mappings \n Mobile-first responsive design using modern CSS (clamp, container queries, logical properties) and touch-friendly targets; no horizontal scrolling at 320px width \n Perfor

Help developers optimize website and web application performance to improve user experience, SEO rankings, and conversion rates. This skill provides systematic approaches to measure, analyze, and improve loading speed, runtime performance, and Core Web Vitals metrics.

Extract clean Markdown article content from URLs with three-tier fallback strategies. \n \n Implements cascading extraction methods: Jina Reader (fast, 200 requests/day free), Scrapling + html2text (unlimited, handles paywalled content), and direct web_fetch (static pages fallback) \n Preserves Markdown structure including headings, links, images, lists, code blocks, and blockquotes \n Domain-aware routing skips Jina for WeChat articles, Zhihu, Juejin, and CSDN to conserve quota and improve succ

Use this skill to generate images or text from Doubao Web by reusing browser login cookies. It provides a CLI wrapper with prompt files, optional reference images, presets, sessions, and JSON output.

Optimize web performance through Core Web Vitals, modern browser APIs (View Transitions, Speculation Rules), and framework-specific techniques.

Expert 3D web implementation with Three.js, React Three Fiber, Spline, and WebGL optimization. \n \n Supports multiple 3D frameworks with decision guidance: Spline for rapid prototypes, React Three Fiber for React apps, Three.js vanilla for maximum control \n Covers full 3D asset pipeline including model optimization, GLB/GLTF compression with Draco, poly count reduction, and web-ready file size targets under 5MB \n Enables scroll-driven 3D interactions using ScrollControls and GSAP integration

Web toolkit powered by Exa for scientific and technical content search and URL extraction.

Orchestrates multi-source web research by delegating to subagents, synthesizing findings, and producing cited reports. \n \n Breaks research questions into 2–5 distinct subtopics, creates a research plan file, and spawns up to 3 subagents in parallel for efficient investigation \n Each subagent performs 3–5 web searches per subtopic and writes findings to local files with key facts, quotes, and source URLs \n Synthesizes results by reading local findings files, integrating insights across subtop

Automated UI code review against Vercel's Web Interface Guidelines. \n \n Fetches the latest guidelines from the official Vercel repository before each review to ensure current rule compliance \n Analyzes React, Vue, Svelte, HTML, CSS, and JavaScript/TypeScript files against all fetched rules \n Reports violations in file:line format with actionable feedback on how to fix each issue \n Supports file paths and glob patterns for flexible scope selection across projects \n

Expert 3D web implementation across Three.js, React Three Fiber, Spline, and WebGL with performance optimization. \n \n Covers three primary stacks (Spline for rapid prototyping, React Three Fiber for React apps, Three.js vanilla for maximum control) with decision guidance on when to use each \n Includes 3D model pipeline: format selection, poly-count reduction, texture baking, GLB export, and compression with gltf-transform \n Handles scroll-driven 3D interactions using ScrollControls, GSAP, an