tell.dev for Cursor

dev.tell/tell

Message someone through your coding agent. Their agent gets your note and explains it.

client:Cursor transport:streamable-http

Install tell.dev in Cursor

~/.cursor/mcp.json · windows: %USERPROFILE%\.cursor\mcp.json

{
  "mcpServers": {
    "tell": {
      "url": "https://tell.dev/mcp"
    }
  }
}

Use .cursor/mcp.json in a project root instead to scope it to that project. Cursor merges both. Cursor docs