This plugin is actually almost like the normal Invsee but it has some extras more is usable in many versions and might be useful for some people

Permissions:
AllPerms: "invsee.allperms"
CanSeeInv: "invsee.use"
CanSeeEnder: "endersee.use"
CanSeeOpEnder: "endersee.use.op"
CanSeeOpInv: "invsee.use.op"
SeeHelpPerms: "seehelp.use"

Commands:
/invsee <target (playername)>
/endersee <target (playername)>
/seehelp

All information about this plugin can be changed in the Config.yml. If you have any questions or errors, please write to me. I'll try to fix everything as soon as possible.

I look forward to your ratings and wish you a nice day. best regards YuZe152.