This is not meant to be used in any serious capacity and especially not for any sort of deployment unless you heavily modify it.
Use uup-dump/converter instead.
This thing is licensed under Zero-Clause BSD. Do as you please.
This stupid thing is for making full ESDs from UUP sets (https://uupdump.net/).
I made and used it a grand total of 3 times to make ESDs for some builds I often needed individual files from.