seems like you already found everything.
the Noesis script here opens your mdl/mdg sample pairs:https://forum.xentax.com/viewtopic.php? ... 03#p122087
and the Noesis script here opens your tex samples:https://forum.xentax.com/viewtopic.php? ... oy#p145866
you don't have to do anything with the mdg files, they will be opened by the mdl files.
that texture script looks brand new. I was using the ps3 version of the script because it was the one thing I found at the time. Thanks for sharing the link man, hopefully I'll soon be able to have the models ripped with bones