MC Toolkit / Datapacks / Structure & NBT Component Tools

Structure & NBT Component Tools

Inspect a vanilla structure NBT file layer-by-layer, and migrate old NBT give-commands to modern components.

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A .nbt structure stores palette indexes, not block names — which is why it is so small

Three keys hold an entire build: size, palette and blocks. Each block is an integer pointing into the palette, so a 32³ volume of stone costs one string and 32,768 small entries — a position and an index each, never a name.