LessLag

LessLag is a performance optimization plugin for Minecraft servers that reduces lag automatically by controlling worlds, entities, redstone, mob AI, and much more. Designed to keep TPS high without sacrificing gameplay.

--- ## 💡 About LessLag dynamically monitors server performance and automatically disables or throttles **lag-inducing features**. From unloading inactive worlds to merging dropped items, disabling redstone during TPS drops, and controlling entity AI—LessLag **keeps your server smooth** with minimal change of vanilla features.

**Requires [Protocol Lib](https://ci.dmulloy2.net/job/ProtocolLib/lastStableBuild/) to work!** --- ## ✨ Key Features * ⚙️ **Fully Customizable** – Every feature can be customized in the config (`plugins/LessLag/config.yml`) * 🗺 **World Management** – Unload inactive worlds automatically * 🧹 **Item & Entity Control** – Auto-clear dropped items, stack drops, cap entities per world and per chunk * 🚷 **Player Protection** – Kick packet spammers, block teleportation when TPS are low, anti-chat spam * 🔌 **Redstone Optimization** – Disable redstone, fluids, explosions, falling blocks * 🧠 **Mob AI Optimization** – Freeze mobs when no players nearby * 🧭 **Chunk Loading Control** – Prevent mass chunk load during lag spikes * 📊 **Performance Profiler** – Real-time TPS, MSPT, CPU, RAM, player ping tracking * ⚡ **Smart TPS Handling** – Auto-disable heavy operations when TPS drops --- ## 📂 Commands | Command | Description | | ------------------ | ------------------------------ | | `/lesslag` / `/ll` | Main command | | `/ll reload` | Reloads configuration | | `/ll info` | Shows plugin info | | `/ll profiler` | Toggles performance profiler | | `/ll worlds` | Lists loaded worlds with stats | --- ## 🔑 Permissions | Permission | Description | | ------------------ | ------------------------------ | | `lesslag.admin` | Access `/ll` command & get notified about performance related data | --- ## ✨ Showcase

Improved item stacking, also works with un-stackable items, no item amount limit

Everything is customizable, even the item stack holograms

Performance Profiler

World list command /ll worlds

Anti chat spam

Disable Fluids, Redstone and more when TPS are low

Auto-clear dropped items

Smart entity removal

Auto-unload inactive worlds
--- ## ⚙️ Requirements * Minecraft 1.16+ * Java 17 or higher * Paper / Spigot server *(or forks of those)* * [Protocol Lib](https://ci.dmulloy2.net/job/ProtocolLib/lastStableBuild/) --- ## 🤝 Contribute I welcome contributions! 1. Fork the repository on [github](https://github.com/BridgerSilk/LessLag) 2. Create a feature branch (`feature/my-feature`) 3. Commit changes 4. Open a Pull Request --- ## ❓ Support Having problems with this plugin? Create a [new issue](https://github.com/BridgerSilk/LessLag/issues/new) in the github repository and I will help you fix it. --- ## ❤️ Donate If you enjoy LessLag and want to support its development: * Buy me a coffee with [Ko-fi](https://ko-fi.com/bridgersilk) --- Have a nice day <3

LessLag

Compatibility

Minecraft: Java Edition

Platforms

Links

Creators

Details