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Iterative web game development with Playwright-based testing, screenshot validation, and deterministic time-stepping. \n \n Provides a structured workflow: implement small changes, run automated Playwright tests with controlled input bursts and frame pauses, capture screenshots and text state, then inspect and adjust \n Requires window.render_game_to_text() to expose game state as JSON and window.advanceTime(ms) for deterministic frame stepping during automated tests \n Includes a Playwright cli

A comprehensive guide for creating animations that feel right, based on Emil Kowalski's "Animations on the Web" course.

Reverse-engineered Gemini Web API for text and image generation with multi-turn conversation support. \n \n Supports text generation, image generation from prompts, and vision input via reference images for analysis or variation \n Includes four model options: gemini-3-pro (default), gemini-3-flash, gemini-3-flash-thinking, and gemini-3.1-pro-preview \n Multi-turn conversation via session IDs with automatic cookie caching and browser-based Google authentication \n Requires user consent before fi

Anti-AI-slop design skill for creating and auditing web pages.

This skill provides Web Audio API expertise for creating audio feedback, voice processing, and sound effects in the JARVIS AI Assistant.

此技能专门用于自动化网站数据爬取和 API 接口调用，包括：

Diagnose and fix the three Core Web Vitals metrics that impact search ranking and user experience. \n \n Covers LCP (Largest Contentful Paint), INP (Interaction to Next Paint), and CLS (Cumulative Layout Shift) with specific thresholds and optimization strategies for each \n Includes common causes, code examples, and debugging scripts for identifying bottlenecks in loading, interactivity, and visual stability \n Provides framework-specific quick fixes for Next.js, React, and Vue/Nuxt, plus measu

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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

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