I want the model to be stored in a way that clearml-serving can recognise it as a model

Then OutputModel or task.update_output_model(...)
You have to serialize it, in a way that later your code will be able to load it.
With XGBoost, when you do model.save clearml automatically picks and uploads it for you
assuming you created the Task.init(..., output_uri=True)
You can also manually upload the model with task.update_output_model or equivalent with OutputModel class.
if you want to disable the auto logging for xgboost:
task. Task.init(...., auto_connect_frameworks={'xgboost': False,})You can check the docs / docstring for more details on that