curl --request POST \
  --url https://realtime-api.voiceflow.com/v1/stable/mcp-server \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "name": "<string>",
  "url": [
    "<string>"
  ],
  "description": null,
  "headers": [],
  "specification": "2025-06-18"
}
'

{
  "mcpServer": {
    "id": "<string>",
    "url": [
      "<string>"
    ],
    "name": "<string>",
    "image": "<string>",
    "createdAt": "2023-11-07T05:31:56Z",
    "updatedAt": "2023-11-07T05:31:56Z",
    "description": "<string>"
  }
}