curl --request POST \
  --url https://{cluster}.cognitedata.com/api/v1/projects/{project}/ai/agents \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "items": [
    {
      "externalId": "<string>",
      "name": "<string>",
      "description": "<string>",
      "instructions": "<string>",
      "model": "azure/gpt-4.1-mini",
      "runtimeVersion": "<string>",
      "tools": []
    }
  ]
}
'

{
  "items": [
    {
      "createdTime": 123,
      "externalId": "<string>",
      "lastUpdatedTime": 123,
      "name": "<string>",
      "ownerId": "<string>",
      "runtimeVersion": "<string>",
      "description": "<string>",
      "instructions": "<string>",
      "model": "azure/gpt-4.1-mini",
      "tools": []
    }
  ]
}