--- name: echo description: Publish HTML, Markdown, or PDF documents to a short, optionally password-protected URL. Use when the user wants to share a standalone document (report, writeup, analysis, presentation) without setting up hosting infrastructure. --- # echo Publish a document to echo and get a short, optionally password-protected share URL. ## When to use The user wants to share an HTML, Markdown, or PDF document they (or you) just generated — a report, analysis, writeup, presentation. They want a URL they can send to someone instead of pasting the content into chat or attaching a file. Use echo when: - The output is a standalone document (HTML, Markdown, or PDF) - The user wants to share it with a specific person (gate it with a password) or publicly - They don't want to set up Vercel/Netlify/their own hosting Do NOT use echo when: - The artifact is code the user will run locally (use a file or gist instead) - The user wants long-lived versioned hosting with a custom domain - The content contains secrets the user doesn't intend to gate ## Critical: HTML must be self-contained echo serves a **single file** per document. It does NOT host secondary assets (images, CSS files, JS files). When you produce HTML for echo, every dependency must be embedded in the file itself: - **CSS:** inline in a `