A free mod for Stardew Valley, by SorryLate.
Tool Upgrade Delivery is an addon that lets you send the upgrades to your inventory once done.
This mod works by checking whether you have a too upgrade or not. If you do, then it will automatically send the available update to your inventory. When the case is your inventory is full, you can either press F3, take it manually from Clint, or you can just wait the other day for the mod to send your resources again.
It is compatible with any shop. The only thing that you need to do is to install this mod, and you’re done. You don’t need to do anything else.