Not sure if it'd help, but here's a list of all the skills and hex ID's for the skills: https://docs.google.com/spreadsheets/d/1Toi21EzoDMmGKgcVlUM9yhjCcAZ-aHNnHC9FLabcy_c/edit#gid=0
Still works with the 0.24 MHX editor on a MHGen save, but it's really cumbersome.