Data Packs Mob

Experimental Mob AI

• • 12/18/25 7:55 am • 3 logs
  • 1.4k views • 15 today
  • save_alt 62 downloads
Compatibility
Minecraft 1.21
Changes include
  • Functions
  • Predicates
  • 9
  • 7
  • 6
How to install Minecraft Data Packs
Mobberode
Lvl 34 • Artisan Team
3

[ Experimental Mob AI: More Capable and Performant! ]

Last Commit Commits
Experimental Mob AI aims to change the mob behaviour to increase the difficulty.

Behaviours

Mob TypesBehaviours
GeneralSprint, Gap Jumping
ZombiesSprint Jumping, Weaving
CreepersLunging
WitchesArea Regen

Experimental Mob AI can be disabled for mobs.
  • Smithed mobs without expai.force_custom_behaviour are not affected.
  • Mobs with expai.ai_changes_disabled are not affected.

Contribution Guidelines

  • Optimization and Efficiency
Code should use most available optimizations, if possible, like macro caching and UUID selectors to gain more performance. TPS matters when mods and other data packs are being used.
 GitHub Discord Trello
  Links: GitHub - Source Code Discord [​13+] Trello
  License: MIT

[ Glacier Players: Pure Vanilla and Optimized! ]

Glacier Players was bundled into EXPAI before being split. Glacier Players are designed to mimic real players.
Modrinth
GitHub
Planet Minecraft

Release List

ReleaseVersionSummary
4-5B1.2.1.6 - 25w38aOptimizations and stability changes.
6B1.21.11Feature additions and further improvements.

3 Update Logs

Release 6B : by I_Cement 12/18/2025 7:55:37 amDecember 18, 2025 @ 12:55 pm UTC

Additions

  • Undead mobs can now weave around the player.
  • Witches now give all hostiles within 10 distance, Regeneration I.

Changes

  • Sprint jumping is now way more accurate, jumping straight to the target instead of turning to face the target.
  • Behaviour modes now function similar to Glacier Players where the mob switches between modes, staying on a mode for a period of time.
  • Changed the non_solids block tag to include more blocks.

Optimizations

  • Sprint Jumpers do liquid_check before starting the process.

Fixes

  • Creeper Lunging checks at the wrong position.

Removed

  • Removed the liquids block tag as the liquid_check predicate made it obsolete.
  • Removed expai.creeper_lunged tag in a selector as it was used in the code once.
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  Have something to say?

sashanckabot12666
• 12/21/2025 12:01 pm
• Level 11 : Journeyman Miner
tysm for update cool
3
thefacxtree
• 08/27/2025 3:19 am
• Level 1 : New Miner
i rlly like what this is so far, perfect for my modpack
2
tollcraft
• 06/30/2025 5:19 am
He/Him • Level 50 : Grandmaster Steve Demolitionist
Make zombies able to dash through gaps
2
I_Cement
• 07/01/2025 2:24 am
• Level 24 : Expert Pixel Painter Loremaster
Zombies can already do this in the form of gap jumping which is not the best at the moment but adding in the ability to dash through gaps will have some conflicts with gap jumping. reply if you want to give more information on this or suggest something else since this is already possible in a different way.
3
tollcraft
• 09/11/2025 11:34 am
He/Him • Level 50 : Grandmaster Steve Demolitionist
history
Like i think make them randomly get their speed tripled for 0.1s so they lunge at huge speed
1
I_Cement
• 12/17/2025 3:06 pm
• Level 24 : Expert Pixel Painter Loremaster
I change my mind; this is being considered for R7B but in a different form.
1

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