Border for Cursor

com.clawhard/border

Debug CORS: send the real preflight, get Chrome's exact error and the headers that fix it.

client:Cursor transport:streamable-http tools:2

Install Border in Cursor

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

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

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