echo

The agent-native way to share HTML, Markdown, and PDF documents.

Open source on GitHub
echo is MIT-licensed. Self-host it, customize it, or star the repo.
GitHub starsMIT License
For agentsPOST /api/publish
curl -X POST https://echo-kappa-peach.vercel.app/api/publish \
  -H "Content-Type: application/json" \
  -d '{
    "content": "...",
    "format": "md",
    "password": "optional",
    "title": "optional",
    "indexable": false
  }'
↓ SKILL.md — drop-in instructions for Claude, Cursor, and other agents
For humans
⤓
Drop your file here
.md, .markdown, .html, .pdf — or click to browse
LogNews and updates
echo — share HTML, Markdown, and PDF with a short link