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Web scraping and data extraction using Python tools for static, dynamic, and large-scale content. \n \n Supports static sites via requests and BeautifulSoup, dynamic content via Selenium and Playwright, and large-scale extraction via Scrapy and firecrawl \n Includes specialized tools for AI-powered extraction (jina), structured queries (agentQL), and complex automation workflows (multion) \n Built-in guidance on rate limiting, robots.txt compliance, error handling, session management, and pagina

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.

Measures Core Web Vitals and identifies render-blocking resources, network chains, layout shifts, and caching issues. \n \n Analyzes performance traces using Chrome DevTools MCP to extract FCP, LCP, TBT, CLS, Speed Index, and TTFB with detailed breakdowns \n Identifies render-blocking CSS/JS, network dependency chains, missing preloads, and caching header gaps through network request inspection \n Detects layout shift culprits (images without dimensions, injected content, font swaps) and accessi

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

Web exploitation techniques for CTF challenges covering injection, authentication, access control, and client-side attacks. \n \n Covers 20+ attack categories: SQLi, XSS, SSTI, SSRF, XXE, command injection, path traversal, JWT/OAuth/SAML, prototype pollution, deserialization, file upload RCE, and race conditions \n Includes quick-reference payloads, filter bypasses, and multi-stage exploitation chains with real CTF examples (HTB, Pragyan, Nullcon) \n Supporting markdown files detail server-side

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

Modern web design in 2024-2025 emphasizes performance, accessibility, and meaningful interactions. This skill provides comprehensive guidance on current design trends, implementation patterns, and best practices for creating engaging, accessible, and performant web experiences.

Visual inspection and source-level fixing of website design issues across responsive, accessibility, and layout concerns. \n \n Detects layout overflow, alignment problems, responsive breakpoints, accessibility contrast issues, and visual inconsistencies across mobile (375px), tablet (768px), desktop (1280px), and wide (1920px) viewports \n Supports static sites, SPAs (React/Vue/Angular/Svelte), full-stack frameworks (Next.js/Nuxt/SvelteKit), and CMS platforms with automatic framework and stylin