Profile CPU usage to identify hot spots and bottlenecks. Optimize code paths consuming most CPU time for better performance and resource efficiency.

Builds precise production-ready custom Agent Skills following AgentSkills.io guidelines. Use when user requests to create, refine or package Skills

Profile and optimize application memory usage. Identify memory leaks, reduce memory footprint, and improve efficiency for better performance and reliability.

Download videos from 1000+ websites (YouTube, Bilibili, Twitter/X, TikTok, etc.) using yt-dlp. Use this skill when users provide video URLs and want to download videos, extract audio, or need help...

Convert HTML to PDF with pixel-perfect rendering and excellent Hebrew/RTL support. Use when the user asks to 'convert HTML to PDF', 'generate PDF from HTML', 'create PDF from webpage', 'export to...

Quick Mac system health check with battery, RAM, CPU status and actionable recommendations. Use when user mentions "mac health", "mac status", "mac performance", "battery check", "ram usage",...

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Senior Guardian of Server-Client integrity, specialized in React 19.3 Sensory Validation and Next.js 16.2 Pausable Composition.

Master systematic debugging techniques, profiling tools, and root cause analysis to efficiently track down bugs across any codebase or technology stack. Use when investigating bugs, performance...

End-to-End Testing Framework skill - Browser automation, API testing, performance benchmarking, test report generation, and chaos engineering basics. Use for comprehensive application testing.

Automates browser interactions for web testing, form filling, screenshots, and data extraction. Use when the user needs to navigate websites, interact with web pages, fill forms, take screenshots,...

WebGL shaders and effects for JARVIS 3D HUD

Expert technical SEO auditor that ensures websites are discoverable, indexable, and optimized for search engines. Audits semantic HTML, meta tags, structured data, sitemaps, robots.txt, Core Web...

When validating system performance under load, identifying bottlenecks through profiling, or optimizing application responsiveness. Covers load testing (k6, Locust), profiling (CPU, memory, I/O),...

When validating system performance under load, identifying bottlenecks through profiling, or optimizing application responsiveness. Covers load testing (k6, Locust), profiling (CPU, memory, I/O),...

Master end-to-end testing with Playwright and Cypress to build reliable test suites that catch bugs, improve confidence, and enable fast deployment. Use when implementing E2E tests, debugging...

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E2E testing with Playwright - Page Objects, cross-browser, CI/CD

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Create professional AI-narrated videos with Remotion and Resemble.ai - from educational tutorials to product launches