The vanilla item tooltip will only show part of the items in the ShulkerBox, not intuitive.
This mod cancels the vanilla implementation. It displays all the items in the ShulkerBox where your mouse is resting in a visual way.
1.Prompt interface material based on current resourcepacks.
2.Automatically organize items The same items are organized in one Stack.
1. This is a ClientSideOnly mod.
2.Forge needed. Put the file in "..\minecraft\mods" folder.