How do I limit a slot in a vanilla container to one item?

Started by robin.one.out on

Topic category: Help with Minecraft modding (Java Edition)

Joined Jan 2026
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How do I limit a slot in a vanilla container to one item?

Hello! I'm currently working on a mod that reworks several aspects of the blast furnace, and I want to make it so the only valid fuel for the blast furnace is an item I created called brimstone. Is this possible?