Zha_toolkit service - is it still available?

Hi HA community. Recently i added a ‘smart’ plug to my Zigbee mesh of 45 devices and it killed the whole lot dead. I assume it went rogue and crapped all over channel and it took about 15 mins for the mesh to recover once i had binned the device. However it took me many hours to realise that there was a problem. I would like to run zha_toolkit to regularly scan the zigbee devices and message me if there is a problem and give me general health stats. However i am having problems just finding a way to run the ‘Service’ zha_toolkit.execute. All the documentation says i can use Developer Tools - Services but this does not exist in HA 2025.12.2 and i cant find another place to call a service. I tried Actions but the dropdown does not include call service. I looked at Node Red too but i did not find call service here either or anything else that might initiate zha_toolkit. Is this integration/add-on defunct ? Is there another method to get Zigbee mesh stats in a way that says if LQi is <50 send a message to A.Person etc etc. Please point me to a page or youtube vid that might give me some examples if you can. cheers…j