Summon Slime Generator Summon Mob Generator for Java 26.3

Update 2.41.7, you may need to clear cache for updated files.
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Minecraft Slime NBT Data Tags

Using the summon command to spawn in a minecraft slime is simple, take the command and enter into chat and presto you have an slime.

How summon different sized Slimes

Slimes can be summoned at a range of sizes by setting the Size:1 tag.

Sizes 1, 2, or 3 are the regular spawn sizes. This example summons a large slime.

/summon minecraft:slime ~ ~ ~ {Size:3}

How summon a super giant sized Slime

Slimes can be summoned by setting the by setting the Size tag larger than the regular 3. A slime the size of 20 is a giant to see. These mega slime will also split into smaller cubes more times, as each size will split into the smaller size all the way down. The limit appears to be Size:64

/summon minecraft:slime ~ ~ ~ {Size:20}
Summoned minecraft mega slime

Minecraft Versions Permalinks

If you find yourself using a particular version all the time, you can link directly. There is some crossover between versions, so there will be quirks.

Version History

1 Oct 2026
minecraft/command-generator 2.41.7

addedMore predicates
addedImprove give links to spawn eggs and buckets

24 Sep 2026
minecraft/command-generator 2.41.6

addedMore predicates

17 Sep 2026
minecraft/command-generator 2.41.5

added26.3 content
addedMore predicates

10 Sep 2026
minecraft/command-generator 2.41.4

addedPreloading 26.3 items and content
addedSummon options for interaction, marker, ominous_item_spawner
patchGive generator patch can_break, can_place

3 Sep 2026
minecraft/command-generator 2.41.3

addedSummon item_display and text_display
patchSummon issue with fireworks and potions
patchSummon issue with summon eggs (again)

27 Aug 2026
minecraft/command-generator 2.41.2

addedend_crystal nbt tags
patchdamage_resistant for multi values in 26.1
patchbee nbt tags
patchmotion and rotation nbt tags
patchvarious uuid and nbt pathing issues

20 Aug 2026
minecraft/command-generator 2.41.1

patchsummon blocks fixes and improvements
patchsome autocomplete quirky issues during typing

13 Aug 2026
minecraft/command-generator 2.41

addedUUID converter
patchFix for issue with items not re-encoding correctly for items, trades and containers
patchTrades for 1.20.4 and earlier now auto add Count if missing


Read version history »
(131 More Updates)