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CurseForge · Minecraft mod
Mob Population Control
Handle common runaway mob population situations (Anti-Lag)
Choose a version Pick your version below, then grab the matching file.
Quick answer
Which Mob Population Control release should I use?
Latest stable file MobPC-1.21.11-1.0.0.jar
Game version 1.21.11
Loader Forge
Mob Population Control MobPC-1.21.11-1.0.0.jar targets 1.21.11 with Forge. The project page does not say whether this file belongs on the client, dedicated server, or both. No extra mods listed for this file.
Where it goes
Is Mob Population Control required on the client, server, or both?
The project page does not say whether this file belongs on the client, dedicated server, or both.
Client Source doesn’t say
Dedicated server Source doesn’t say
Loader for this release Forge
Required install it here Optional supported, not mandatory Not supported do not install here Source doesn’t say do not assume
The source does not explicitly classify this release as client-only or server-only.
What else does Mob Population Control MobPC-1.21.11-1.0.0.jar need?
MobPC-1.21.11-1.0.0.jar. Change the file and its required mods may change too.
This file does not list any required mods. Do not add a library just because a different file uses it.
This file does not list any required or optional mods.
Before you install it
Add Mob Population Control without breaking your instance.
Built for Mob Population Control MobPC-1.21.11-1.0.0.jar. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use MobPC-1.21.11-1.0.0.jar. It targets 1.21.11 with Forge; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
This file does not list any required mods. Do not add a library just because a different file uses it.
- 03
Put it on the correct side
The project page does not say whether this file belongs on the client, dedicated server, or both.
- 04
Pick the file you checked
Use the “Get this file” button beside MobPC-1.21.11-1.0.0.jar. It opens that exact file at the source.
About this project
What does Mob Population Control add?
Mob Population Control
This *server* mod increase server uptime and reduces server operator manual maintenance.
In standard Minecraft, Mobs which pick up items are flagged so they will not despawn. Normally this is fine but in a few cases it can lead to runaway populations which cause drops in display, player and even server lag and excessive memory usage. Server Operators have to do a lot of manual effort removing these unwanted mobs.
One of the more more common cases is when of the traitorous chickens wanders around equipping all the zombies with eggs but there are a few others too.
Mob Population prevents mobs that pick up junk items on the configuration list from being flagged as permanent. Instead, the mobs will despawn normally as players leave the area.
MC-175294 : Persistant Zombies will build up over periods of Time.
Project description from CurseForge.
Pick your setup
Mob Population Control by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
Minecraft version
1.21.10
1 loader buildMinecraft version
1.21.8
1 loader buildMinecraft version
1.21.7
1 loader buildMinecraft version
1.21.6
1 loader buildMinecraft version
1.21.5
1 loader buildMinecraft version
1.21.4
1 loader buildMinecraft version
1.21.3
1 loader buildMinecraft version
1.21.1
1 loader buildMinecraft version
1.21
1 loader buildMinecraft version
1.20.6
1 loader buildMinecraft version
1.20.4
1 loader buildShowing the newest 12 of 30 game versions. Older files are in the list below.
Check the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Mob Population Control versions and loaders
MobPC-1.21.11-1.0.0.jar
11 Dec 2025
Client Source doesn’t say Server Source doesn’t say Dependencies No extras listed Listed on Release listing
Check the 1.21.11 · Forge setup Forge1.21.11 release
MobPC-1.21.10-1.0.0.jar
10 Oct 2025
Client Source doesn’t say Server Source doesn’t say Dependencies No extras listed Listed on Release listing
Check the 1.21.10 · Forge setup Forge1.21.10 release
MobPC-1.21.6-1.0.0.jar
1 Jul 2025
Client Source doesn’t say Server Source doesn’t say Dependencies No extras listed Listed on Release listing
Check the 1.21.8 · Forge setup 1.21.8Forge1.21.71.21.6 release
MobPC-1.21-1.0.0.jar
17 Jun 2024
Client Source doesn’t say Server Source doesn’t say Dependencies No extras listed Listed on Release listing
Check the 1.21.5 · Forge setup 1.211.21.51.21.4Forge release
MobPC-1.20.6-1.0.0.jar
7 May 2024
Client Source doesn’t say Server Source doesn’t say Dependencies No extras listed Listed on Release listing
Check the 1.20.6 · Forge setup Forge1.20.6 release
MobPC-1.20-1.0.0.jar
27 Jun 2023
Client Source doesn’t say Server Source doesn’t say Dependencies No extras listed Listed on Release listing
Check the 1.20.4 · Forge setup 1.20.21.20.31.20.1Forge release
MobPC-1.19-1.0.0.jar
4 Sept 2022
Client Source doesn’t say Server Source doesn’t say Dependencies No extras listed Listed on Release listing
Check the 1.19.4 · Forge setup 1.19.31.19.41.19.2Forge release
MobPC-1.12.2-1.0.0.0.jar
4 Feb 2022
Client Source doesn’t say Server Source doesn’t say Dependencies No extras listed Listed on Release listing
Check the 1.12.2 · Forge setup Forge1.12.2 release
MobPC-1.18-1.0.0.0.jar
1 Dec 2021
Client Source doesn’t say Server Source doesn’t say Dependencies No extras listed Listed on Release listing
Check the 1.18.2 · Forge setup 1.18.11.18.2Forge1.18 release
MobPC-1.17.1-1.0.0.0.jar
22 Nov 2021
Client Source doesn’t say Server Source doesn’t say Dependencies No extras listed Listed on Release listing
Check the 1.17.1 · Forge setup 1.17.1Forge release
MobPC-1.16.2-1.0.0.0.jar
18 Nov 2021
Client Source doesn’t say Server Source doesn’t say Dependencies No extras listed Listed on Release listing
Check the 1.16.5 · Forge setup 1.16.31.16.5Forge1.16.4 release
Looking for an older file? The official CurseForge project page is in Resources.
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