NBT Tags for Mule in Minecraft (Java Edition 1.16/1.17/1.18/1.19/1.20)

0 (The mule is wild)
1 (The mule is tame)

Example
{Tame:1}

If the mule is wearing a saddle, it is used to specify the Minecraft id for the saddle and number of saddles worn by the mule

Example
{SaddleItem:{id:saddle, Count:1}}

0 (The mule is not carrying a chest)
1 (The mule is carrying a chest)

Example
{ChestedHorse:1}

Items stored in the chest. It uses the Slot data tag to determine the location in the chest to add each item. The first Slot in the chest is Slot 2, second is Slot 3, third is Slot 4, and so on.

Example
{Items: [{id:diamond_sword,Slot:2,Count:1},
{id:light_blue_wool,Slot:3,Count:64}]}

The example above would add 1 diamond sword in the first slot and 64 light blue wool in the second slot of the chest. See list of Minecraft ids.

number (The temper of the mule which is a number from 0 to 100. The higher the number, the easier it is to tame the mule.)

Example
{Temper:100}

ticks (The number of game ticks that the mule is in love mode and will try to breed with another mule)

Example
{InLove:400}

0 (The mule has not bred)
1 (The mule has bred)

Example
{Bred:1}

ticks (The age of the mule in game ticks. Use 0 or higher for an adult. Use a negative number such as -25000 for a baby.)

Example
{Age:0} example for adult
{Age:-25000} example for baby

ticks (When a baby mule matures, the Age data tag will be set to ForcedAged. However, there have been bugs with this data tag so it may not work properly.)

Example
{ForcedAge:0}

0 (The mule is standing normally)
1 (The mule has its head down like it is eating hay)

Example
{EatingHaystack:0}

Indicates the coordinates of the fence that the mule is leashed to.

Example
{Leash:{X:92,Y:72,Z:-206}}

name (The name to assign to the mule)

Example
{CustomName:"\"Chestnut\""}

number (The number of health points the mule has)

Example
{Health:25.0f}

number (The number of absorption health points the mule has)

Example
{AbsorptionAmount:2.0f}

0 (The mule will take damage like normal)
1 (The mule will not take any damage from attacks or physical surroundings)

Example
{Invulnerable:1}

0 (The mule will despawn naturally)
1 (The mule won't despawn)

Example
{PersistenceRequired:1}

0 (The mule will have artificial intelligence and will move/behave like normal)
1 (The mule will have no artificial intelligence so it will appear motionless)

Example
{NoAI:1}

0 (The mule will make its usual noises in the game)
1 (The mule will not make any noise in the game)

Example
{Silent:1}

ticks (The number of game ticks until the mule is no longer on fire - there are 20 ticks in a second)

Example
{Fire:60}

ticks (The number of game ticks until the mule can go through a portal again - there are 20 ticks in a second)

Example
{PortalCooldown:120}

ticks (The number of game ticks the mule has air left for)

Example
{Air:120}

mule (The entity value used to represent a mule in the EntityTag or Passengers tag)

Example
{id:mule}

The mob that is riding on the mule. Use the entity value for the passenger mob

Example of skeleton as passenger
Passengers:[{id:skeleton}]