POI Format

Byte order

Point of Interest data is stored in Big Endian byte order.

POI NBT Data

Tag Name	Tag Type	Description
DataVersion	IntTag	Version of the POI NBT structure.
Sections	CompoundTag	Each CompoundTag is a section of a chunk holding POI data for that section.

Sections Data

Tag Name	Tag Type	Description
section Y[1]	CompoundTag	Contains POI data for this section.

section Y Data

Tag Name	Tag Type	Description
Records	ListTag of CompoundTags	Each CompoundTag is a point of interest block.
Vaild	ByteTag	Unknown, seems to always be a value of 1.

Records Data

Tag Name	Tag Type	Description
free_tickets	IntTag	The number of villagers that can claim this POI block. Value decreases by 1 for each villager that claims the POI block.
pos	IntArrayTag	The POIs position in the world.
type	StringTag	Defines what type of POI this is. It is always one of the following: `minecraft:armorer`, `minecraft:bee_nest` (1.15+ Only), `minecraft:beehive` (1.15+ Only), `minecraft:butcher`, `minecraft:cartographer`, `minecraft:cleric`, `minecraft:farmer`, `minecraft:fisherman`, `minecraft:fletcher`, `minecraft:home`, `minecraft:leatherworker`, `minecraft:librarian`, `minecraft:lightning_rod` (1.17+ Only), `minecraft:lodestone` (1.16+ Only), `minecraft:mason`, `minecraft:meeting`, `minecraft:nether_portal` (1.15+ Only), `minecraft:shepherd`, `minecraft:toolsmith`, `minecraft:weaponsmith`.

Notes

The sections Y value. A value between 0 and 15 or between -4 and 19 for 1.18+.