Claude Code's ELI5 Skill Explained: How It Works, Setup, and When to Use It

A headless CMS, such as Sanity or Contentful, separates the editing interface from the front-end delivery layer via an API, unlike traditional systems like WordPress. Meanwhile, Claude Code features an ELI5 skill, which generates jargon-free, diagram-heavy HTML explainers when users type /eli5 topic. This tool went viral in August 2026 after Anthropic's developers revealed internal use. Both technologies offer specific architectural or functional advantages depending on the user's technical requirements and goals.