MvLaggFixer | The AI-Powered Lag Fix & Server Optimization [1.21+] icon

MvLaggFixer | The AI-Powered Lag Fix & Server Optimization [1.21+] -----

The intelligent, all-in-one performance solution that proactively stops lag before it starts.




MvLaggFixer

Your Server's Intelligent Immune System

Tired of plugins that just clean up items every 10 minutes? MvLaggFixer is a next-generation performance plugin designed from the ground up to be proactive, not just reactive. It uses an intelligent AI engine to monitor your server's health in real-time and automatically applies optimizations before lag becomes a problem for your players.

Stop chasing lag and let MvLaggFixer's AI handle it for you. This is the ultimate, all-in-one solution for any server owner who values performance, stability, and control.

  • Truly Intelligent AI: Other plugins run on a simple timer. MvLaggFixer's AI watches your TPS and dynamically adjusts server rules, throttling mob spawns and other systems only when needed. This means maximum performance with minimum impact on gameplay.
  • Extreme Configuration: With our Per-World settings, you can define completely different rules for your Survival, Creative, and Minigame worlds. No more one-size-fits-all solutions.
  • Your GUI, Your Style: Don't like our GUI? Change it! Every menu is controlled by simple YAML files in the `menus` folder. Edit items, names, lore, and actions without touching the code.
  • Standalone & Dependency-Free: Our Discord integration uses webhooks, meaning you do not need DiscordSRV or any other plugin for it to work.
  • Lightweight & Optimized: The plugin itself is designed to have a minimal performance footprint, ensuring it solves lag without creating any of its own.

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⭐ Core Features ⭐

Intelligent AI Engine (Dynamic Throttling)
The heart of MvLaggFixer. The AI monitors your TPS and switches between three performance modes:
  • Normal Mode: Standard gameplay, no restrictions.
  • Warning Mode: TPS has dropped slightly. The AI prepares for action.
  • Danger Mode: TPS is critical. The AI automatically enables aggressive lag-prevention measures, such as throttling mob spawns, slowing down hoppers, and triggering an emergency cleanup.

Per-World Configuration
Don't settle for global settings. Create unique optimization profiles for each of your worlds directly in the `config.yml`.
  • Apply strict entity limits and aggressive cleanup in your Survival world.
  • Disable all cleanups and limits in your Creative and build worlds.
  • The possibilities are endless!

Fully Customizable GUI
Take full control of your plugin's interface. A `menus` folder is generated with easy-to-edit YAML files.
  • Change titles, sizes, items, names, and lore.
  • Assign actions to items, like running commands or opening other menus.
  • Use live placeholders like `%tps_1m%` and `%online_players%` to create a dynamic dashboard.

Advanced Lag Mitigation
Target specific, notorious sources of server lag before they get out of hand.
  • Redstone Control: Automatically detects and temporarily disables hyperactive redstone clocks that would otherwise freeze your server.
  • Hopper Throttling: When the server is in DANGER mode, hopper transfer rates are automatically slowed to reduce their processing load.

Integrated Alerts (In-Game & Discord)
Stay informed about your server's health, wherever you are.
  • Admin Alerts: Staff with the `mvlaggfixer.alerts` permission receive in-game warnings when the AI detects a major lag source or when TPS drops.
  • Discord Webhook Integration: Get critical alerts sent directly to your Discord server. This feature is completely standalone and does not require DiscordSRV. Just paste your webhook URL in the config!

Optimized & Efficient Entity Cleanup
Our cleanup task is highly efficient. It only targets specific entity types and provides clear feedback in-game and in the detailed GUI logs, even if zero entities were removed.

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Commands & Permissions

Commands - Alias: /mvl, /lagfix
Code (Text):
/mvl help - Shows the help menu.
/mvl gui - Opens the main GUI dashboard.
/mvl clean - Triggers a manual entity cleanup.
/mvl stats - Displays current TPS, entity, and chunk counts.
/mvl memory - Shows memory usage and system info.
/mvl reload - Reloads the configuration files.
Permissions
Code (Text):
mvlaggfixer.admin - Access to all commands, including /mvl reload.
mvlaggfixer.gui - Access to the /mvl gui command.
mvlaggfixer.clean - Access to the /mvl clean command.
mvlaggfixer.monitor - Access to /mvl stats and /mvl memory.
mvlaggfixer.alerts - Receives in-game administrative alerts about lag sources.
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Configuration

The `config.yml` and `menus` files are heavily commented to make customization as easy as possible. You can control every feature, from per-world entity limits to the exact text in your Discord alerts.

Code (Text):
per-world-settings:
  enabled: true
  worlds:
    # Example for a survival world with strict rules
    world:
      entity-limit-per-chunk: 60
      cleanup:
        enabled: true
      mitigation:
        redstone: true
    # Example for a creative world with no limits
    world_creative:
      entity-limit-per-chunk: 0 # 0 = disabled
      cleanup:
        enabled: false
</SPOILER>

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Installation
  1. Stop your server.
  2. Place the MvLaggFixer.jar file into your /plugins folder.
  3. Start your server. The default config and menu files will be generated.
  4. Customize the `config.yml` and `menus/*.yml` files to your liking.
  5. Run `/mvl reload` to apply your changes. Done!
If you're looking for a smart, modern, and highly configurable performance plugin, your search is over. Download MvLaggFixer today!

Have a question or a suggestion? Let us know in the discussion tab!​
Resource Information
Author:
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Total Downloads: 6
First Release: Oct 8, 2025
Last Update: Oct 8, 2025
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