Claude skill: audit a Next.js App Router codebase for RSC boundary bugs, request waterfalls, and Core Web Vitals risks — with a zero-dependency scanner.
Open Agent Skill (SKILL.md) for GEO / AI visibility content. Create and rebuild web content so ChatGPT, Gemini, Perplexity and AI Overviews extract, cite and mention it. CC BY 4.0, by Eugen Ullrich