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Optimize My Server!

Modpack

Purely performance server modpack that decreases memory usage and keeps the server vanilla.

Type

Modpack

Modrinth Downloads

1,317

Modrinth ID

pus1bmbX

Last Updated

Jun 6, 2026

Description

What is this?

It's in the name! It uses mods to optimize your Minecraft server's performance and reliability. It also includes mods that prevent x-ray and are server-breaking.

How do I install?

Load the modpack into a supported launcher. Copy the mods from the mod pack instance's folder and paste it into your server's mod folder. This is currently a Fabric-focused modpack. There is a NeoForge version in this project, but mod support is limited so it is more cutdown.

The Mods

  1. FerriteCore (Decreases memory usage)
  2. Lithium
  3. Krypton (Improves the Minecraft networking stack)
  4. Concurrent Chunk Management Engine [C2ME] (Improves chunk performance)
  5. NoisiumForked (Optimises worldgen performance)
  6. Very Many Players (Improves server performance at high playercounts)
  7. Alternate Current (Reduces the lag caused by redstone dust)
  8. CrashExploitFixer (A port of Papers Improve-tag-parser-handling patch, to fix a server crash exploit)
  9. AntiXray (Prevents Xray)
  10. Async (Improves the performance of entities by processing them in parallel threads)
  11. TT20 [TPS Fixer] (Optimizes how ticks work when TPS is low)
  12. Worldthreader (Ticks each world dimension on its own thread)

Compatibility

Mod Loaders

Fabric Neoforge

Game Versions

1.21 1.21.1 1.21.2 1.21.3 1.21.4 1.21.5 1.21.6 1.21.7 1.21.8 1.21.9 +5 more

Similar Modpacks

Contained Mods (16)

Cloth Config API (Fabric/Forge/NeoForge)

Cloth Config API (Fabric/Forge/NeoForge)

Config Screen API for Minecraft

Mod 476,820,846
Fabric API

Fabric API

Core API library for the Fabric toolchain

Mod 389,118,869
FerriteCore

FerriteCore

Memory usage optimizations

Mod 116,711,264
Lithium (Fabric/NeoForge)

Lithium (Fabric/NeoForge)

An optimization mod for Minecraft which improves server performance significantly.

Mod 182,323,945
Fabric Language Kotlin

Fabric Language Kotlin

Fabric language module for Kotlin

Mod 162,096,177
Alternate Current

Alternate Current

An efficient and non-locational redstone dust implementation

Mod 76,074,421
Concurrent Chunk Management Engine (Fabric)

Concurrent Chunk Management Engine (Fabric)

A Fabric mod designed to improve the chunk performance of Minecraft.

Mod 27,310,451
Async

Async

Async is a Fabric mod designed to improve the performance of entities by processing them in parallel threads.

Mod 499,195
CrashExploitFixer

CrashExploitFixer

This mod fixes a bunch of crash exploits discovered in Minecraft.

Mod 22,666,258
ScalableLux

ScalableLux

A Fabric mod based on Starlight that improves the performance of light updates in Minecraft.

Mod 17,111,161
Krypton

Krypton

A mod to optimize the Minecraft networking stack

Mod 66,578,029
NoisiumForked

NoisiumForked

Optimises worldgen performance for a better gameplay experience.

Mod 2,583,560
Worldthreader

Worldthreader

Worldthreader speeds up servers by safely running each dimension on a separate thread.

Mod 17,972
Very Many Players (Fabric)

Very Many Players (Fabric)

A Fabric mod designed to improve server performance at high playercounts.

Mod 15,871,245
AntiXray

AntiXray

A lightweight mod that allows server owners to combat xrayers.

Mod 495,467
TT20 (TPS Fixer)

TT20 (TPS Fixer)

TT20 helps reduce lag by optimizing how ticks work when the server's TPS is low.

Mod 431,592

External Resources