ModsFinder

Mounts AI Fix

by Zetadrayzer

Mounts AI Fix restores the vanilla behavior of mobs that ride other mobs, a setup that stopped working in a later Minecraft update.

ForgeNeoForgeServer-side onlyAll rights reserved1.20.1 – 1.21.1

What it does

Since a recent Minecraft update, mounts such as Ghasts, Phantoms and Vexes freeze with their rider and no longer move, attack or sit until the rider dies. The mod targets this change and returns mounted mobs to the way they acted before it, so a mob used as a vehicle moves and acts normally. The fix is tracked in the vanilla bug report MC-262182.

Combinations such as a Creeper on a Ghast, a Skeleton on a Silverfish or a Vex on a Phantom work again without breaking the mob AI. The mod works with mobs from other mods as well, which keeps custom mob setups and creative builds working on the server.

Mounts AI Fix is published for Forge and NeoForge, for 1.20.1 and 1.21.1. It is server-side only, so players join without installing it and the mod changes nothing on their clients. The license is All rights reserved, so the code is not open source.

Key features

  1. Mounted mobs move again

    Ghasts, Phantoms, Vexes and other mounts keep moving and attacking while they carry a rider.

  2. Vanilla mount behavior restored

    Mounted mobs act as they did before the recent change, without altering the mobs themselves.

  3. Safe to add or remove

    The mod can be added to or taken out of existing worlds without corrupting saved data.

Compatibility

Latest build for each game version and loader.

1.21.1Not available1.0.0
1.20.11.0.0Not available
ReleaseBetaAlphaNot available

Only full game releases are shown. This mod publishes no snapshot builds.

How it compares

Full comparison

Dragon Mounts Patches is client-side only, open source under the MIT License and published for 1.20.1. Swim Fix is server-side only and open source under the GNU Lesser General Public License v3.0 only, with files for 1.21 – 1.21.10 on Fabric and NeoForge. Find me runs on client and server, is open source under the GNU Lesser General Public License v3.0 only and targets 1.20.1 – 1.21.1 on Forge and NeoForge.

ModLoadersGame versionsEnvironmentUpdated
Mounts AI FixForge and NeoForge1.20.1 – 1.21.1Server-side only2025-12-12
Dragon Mounts PatchesForge and NeoForge1.20.1Client-side only2024-09-14
Swim FixFabric and NeoForge1.21 – 1.21.10Server-side only2025-11-20
Find meForge and NeoForge1.20.1 – 1.21.1Client and server2026-08-16

Questions

Does Mounts AI Fix need to be installed on clients?

No. The mod is server-side only, so players can join a server that runs it without installing anything.

Which loaders does Mounts AI Fix support?

The mod is published for Forge and NeoForge. Files exist for 1.20.1 on Forge and for 1.21.1 on NeoForge.

Does the fix apply to mobs added by other mods?

Yes. The mod works with mobs from other mods, so modded mounts keep their rider-carrying behavior.

In the catalog

Mounts AI Fix is one of 3,545 Optimization mods on ModsFinder, and one of 1,441 Optimization mods for Forge. 32,366 mods support Minecraft 1.21.1.

Optimization mods3,545Forge modsMods for 1.21.132,366

More from Zetadrayzer

All projects
ZG Mobs1.20.1 – 1.21.1

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What the author says

Ever noticed how mobs riding other mobs just... stop working in newer versions of Minecraft? Since 1.19.4, mounts like Ghasts, Phantoms, or Vexes completely freeze when they have a rider, they don’t move, don’t attack, and just sit there until the rider dies. Mounts AI Fix restores proper behavior to any mob being…
Zetadrayzer, on the Modrinth page

Official listing

Owner
Zetadrayzer
Published
2025-10-30
Updated on Modrinth
2025-12-12
Facts verified
2026-10-15

Tags

Game mechanicsOptimizationUtility
Open on ModrinthCompare