My thermometer is at another house on another wifi. Shelly device visible on cloud. How come I cannot add it to my home HA?
Here is a link https://community.home-assistant.io/t/shelly-cloud-intergration/687625?u=juergenjw to a previous discussion of your topic.
… and another one: Controlling Shelly Cloud Devices in Home Assistant
Shelly integration doesn’t support Shelly cloud.