This plugin adds 2 main commands, not counting the help page. /Looksie see <player name here> will allow you to look inside a players inventory, the other command /Looksie take <player name here> allows you to take items that are in their inventory. BUT /Looksie take <player name here> does not remove it from the original players inventory, it only gives you a 'dupe' of it. Both commands have separate permissions. Even the help page has a permission just so players can't use it. No permission messages are changeably in the config, and the style of the prefix in the messages.
Permission for /Looksie or /Looksie help is: looksie.help Permission for /Looksie see <player name here> is: looksie.see Permission for /Looksie take <player name here> is: looksie.take