Postcard for Cursor

com.clawhard/postcard

Check a link's share card on X, Facebook, LinkedIn: real image size, tag problems, fixed tags.

client:Cursor transport:streamable-http tools:2

Install Postcard in Cursor

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

{
  "mcpServers": {
    "postcard": {
      "url": "https://postcard.clawhard.com/mcp"
    }
  }
}

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