UltClearLagg

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UltClearLagg

Ultimate Performance Optimization Engine for Minecraft Servers

Advanced lag reduction, automatic cleanup systems, mob optimization, TPS monitoring, smart entity management, redstone lag prevention, Bedrock GUI support, and real-time server performance tools.

Overview

UltClearLagg is a complete server optimization plugin built for modern Minecraft servers running Paper/Purpur 1.21+.

Unlike basic clear lag plugins that only remove ground items, UltClearLagg provides a modular optimization system that includes:

Automatic item cleanup
Projectile cleanup
Mob culling systems
Mob stacking
TPS and MSPT monitoring
Chunk unloading
Physics optimization
Anti-redstone-lag detection
Illegal/crash item protection
Bedrock GUI compatibility
ActionBar + BossBar notifications
Performance dashboards
AI freezing during low TPS situations
Configurable world filtering
Advanced MiniMessage formatting support

The plugin protects important entities such as:

Named mobs
Villagers
Tamed pets
Valuable items
Important worlds

Features

Smart Automatic Cleanup

Automatically clears:

Ground items
Stuck projectiles
Excess mobs
Idle entities

Supports scheduled warnings before cleanup using:

Chat messages
ActionBars
BossBars

Warnings are fully customizable inside messages.yml.

TPS & MSPT Monitoring

Real-time performance monitoring system.

Displays:

1m TPS
5m TPS
15m TPS
MSPT
RAM usage
Max memory

Useful for detecting:

Lag spikes
Entity overload
Memory pressure
Redstone abuse
Chunk problems

Entity Management System

Ground Item Cleanup

Supports:

Whitelist mode
Blacklist mode
Valuable item protection
Permission bypasses

Example protected items:

Diamonds
Netherite
Totems
Player heads

Projectile Cleanup

Removes lag-causing projectiles such as:

Arrows
Tridents
Snowballs
Eggs
Spectral arrows

Supports preserving named tridents.

Mob Culling

Prevents mob overload by enforcing:

Per-chunk limits
Per-world limits

Can protect:

Named mobs
Tamed pets
Villagers
Iron golems
Traders

Mob Stacking

Combines nearby mobs into optimized stacks.

Benefits:

Lower entity count
Better TPS
Reduced CPU load
Cleaner farms

Fully configurable stack radius and stack sizes.

Physics Optimization

Includes systems to reduce:

Falling block lag
Physics spam
Excessive updates
Redstone lag machines

Useful for:

SMP servers
Survival servers
Factions
Skyblock
Large public servers

Anti-Lag Module

Advanced lag protection systems.

Includes:

AI freezing during low TPS
Garbage collection hints
Chunk unloading
Redstone clock detection
Crash item protection

Bedrock Edition GUI Support

Integrated Floodgate compatibility.

Bedrock players can interact with menus and dashboards through forms.

Optional dependencies:

Floodgate
ProtocolLib

Commands

Main Command:

Code:

/ucl

Aliases:

Code:

/clearlagg
/cl

Available Subcommands:

Code:

/ucl tps
/ucl clear
/ucl reload
/ucl killmobs
/ucl admin

Permissions

Permission	Description	Default
`ultclearlagg.use`	Basic plugin usage	true
`ultclearlagg.admin`	Full admin access	op
`ultclearlagg.notify`	Receive cleanup warnings	true
`ultclearlagg.bypass.items`	Prevent dropped items from being cleared	false
`ultclearlagg.bypass.mobs`	Protect player tamed mobs	false

Installation

Requirements:

Java 21+
Paper 1.21+
Purpur 1.21+

Recommended:

Floodgate
ProtocolLib

Setup Steps:

Download UltClearLagg.jar
Place it inside your server plugins/ folder
Start the server
Configure files inside:

Code:

/plugins/UltClearLagg/

Reload using:

Code:

/ucl reload

Configuration Examples

World Filter

YAML:

world-filter:
  mode: BLACKLIST
  worlds:
    - creative_world
    - minigames

Cleanup Schedule

YAML:

cleanup-schedule:
  enabled: true
  interval: 300
  warnings:
    - 60
    - 30
    - 10
    - 5

Item Protection

YAML:

item-clear:
  list-mode: BLACKLIST
  items:
    - DIAMOND
    - NETHERITE_INGOT

Mob Culling

YAML:

mob-culling:
  per-chunk-limit: 10
  per-world-limit: 500

Mob Stacking

YAML:

mob-stacking:
  enabled: true
  stack-radius: 5
  max-stack-size: 50

Compatibility

Fully Supported:

Paper
Purpur
Pufferfish

Soft Dependencies:

Plugin	Purpose
Floodgate	Bedrock GUI support
ProtocolLib	Packet optimization features

Troubleshooting

Plugin Not Working

Check:

Server version is 1.21+
Java version is correct
Plugin loaded successfully
Config syntax is valid

TPS Still Low

Possible causes:

Too many plugins
Massive redstone systems
Large mob farms
World corruption
Insufficient RAM

Try:

Lowering entity limits
Enabling mob stacking
Reducing view distance
Using Paper/Purpur

Developer Information

Main Package:

Code:

com.ultclearlagg

Important Classes:

Class	Purpose
`UltClearLagg`	Main plugin bootstrap
`CleanupTask`	Cleanup scheduler
`TPSMonitor`	Performance monitor
`CommandHandler`	Command system
`NotificationManager`	Warning notifications
`GUIManager`	Inventory GUIs

Credits

Created by:

geturplugins

Discord:

Code:

https://discord.gg/xctckUQukB

Final Notes

UltClearLagg is designed for server owners who want a modern, configurable, and aggressive optimization solution without sacrificing important gameplay systems.

Whether you're running:

SMPs
Factions
Skyblock
Lifesteal
Minigames
Public networks

UltClearLagg provides the tools needed to keep your server smooth and stable under heavy load.

UltClearLagg v1.0

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