Bostenten

A Minecraft datapack that makes the recipe book give you the recipe only after you craft the item for the first time.

A Minecraft datapack that makes the recipe book give you the recipe only after you have gotten all the ingredients needed.

A highly configurable structures mod, with a smart data-based NPC to sell maps and guide you in discovery, and structures that hint to vanilla features, with extra optional features like a Gamemaster mode.