Implemented for Interoperability: it can check status, including items in it, restart, update, recover, and check for queues and errors.
There is also SQL Query executon

https://www.youtube.com/embed/EVzZnkjIvoM
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Looks like there is no one specific use case for server, and there are so many variants on how it can be implemented

Do you have something in mind, how would you use it?

Just thinking about the list of tools to add in server implementation

looks like an interesting challenge.