This is a Simple Dupe Plugin Used on lifedupe77 Check it out

Commands:
/dupe [number]: used to duplicate the player's held item
/makeundupleable: used to make the player's held item undupleable so the /dupe command cannot duplicate it

Permissions:
Dupe.makeundupable: allows players to run /makeundupleable

if you need help dm me on discord @AydenC77 https://discord.gg/yMkebaC2x4