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Complete guide for building native Expo apps with routing, styling, components, and platform conventions. \n \n Covers Expo Router fundamentals, native tabs, stack navigation, modals, and form sheets with detailed route structure conventions \n Includes styling rules aligned with Apple Human Interface Guidelines: flexbox layouts, safe area handling, animations, shadows via CSS boxShadow , and responsive design patterns \n Documents library preferences (expo-image for SF Symbols, expo-audio, expo

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Build modern React applications using Next.js 16+ with App Router architecture.

You are an expert equity research analyst. Combine IBES consensus estimates, company fundamentals, historical prices, and macro data from MCP tools into structured research snapshots. Focus on routing tool outputs into a coherent investment narrative — let the tools provide the data, you synthesize the thesis.

Universal Tailwind CSS v4 styling for Expo apps across iOS, Android, and Web. \n \n Integrates Tailwind CSS v4 with react-native-css and NativeWind v5 via Metro transformer, eliminating the need for Babel configuration \n Provides reusable CSS-wrapped component library (View, Text, ScrollView, Pressable, TextInput, Image, Link) that apply className styles to native elements \n Supports platform-specific styling through CSS media queries, custom theme variables via @theme blocks, and Apple semant

Identify and exploit HTML injection vulnerabilities that allow attackers to inject malicious HTML content into web applications. This vulnerability enables attackers to modify page appearance, create phishing pages, and steal user credentials through injected forms.

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Generate Shopify Liquid theme code with correct schema, translations, and component patterns. \n \n Covers sections, blocks, and snippets with proper {% schema %} JSON, LiquidDoc headers, and translation key usage via the t filter \n Includes 77+ language filters, 45+ HTML/media filters, 30+ commerce filters, and 30 tags with syntax and parameters \n Provides CSS/JavaScript patterns using {% stylesheet %} , {% javascript %} , and {% style %} tags for dynamic styling \n Details all 33 setting typ

Toolkit for creating animated GIFs optimized for Slack with validation and animation utilities. \n \n Provides GIFBuilder for frame assembly, validators to check Slack compliance, and easing functions for smooth motion (bounce, elastic, ease-in-out, etc.) \n Supports emoji GIFs (128x128, under 3 seconds) and message GIFs (480x480) with configurable FPS, color palette, and optimization flags \n Includes animation concepts (shake, pulse, bounce, spin, fade, slide, zoom, particle burst) with code e

Native Python Playwright scripts for testing local web applications with server lifecycle management. \n \n Includes with_server.py helper to automatically start and manage single or multiple servers before running automation scripts \n Supports reconnaissance-then-action workflow: screenshot/inspect rendered DOM, identify selectors, then execute actions with discovered selectors \n Emphasizes waiting for networkidle on dynamic apps before DOM inspection to avoid timing issues \n Provides exampl