SpawnBlocker
Every Minecraft server owner knows the struggle: you build a peaceful village, only to have it overrun by creepers. You design a serene underwater base, and drowned keep appearing inside the walls. Vanilla spawn rules don't always respect your creative vision. That's where SpawnBlocker steps in — a lightweight, no-nonsense plugin that puts you in complete control of which mobs can and cannot spawn in your world.
What is SpawnBlocker for Minecraft?
SpawnBlocker is a server-side plugin designed for Bukkit, Spigot, and Paper Minecraft servers. It works by intercepting the natural mob spawning process and filtering out any entities you've blacklisted. Instead of relying on complex region protections or command blocks, SpawnBlocker gives you a single, clean configuration file where you list the mobs you want gone. The plugin then silently prevents them from appearing, without affecting other game mechanics like spawners, eggs, or commands. It's the simplest way to tailor your server's atmosphere.
How SpawnBlocker Works
Once installed, SpawnBlocker creates a dedicated folder called MobRemoval inside your server's plugins directory. Inside that folder, you'll find a config.yml file with two main entries: isEnabled and disabledEntities. The plugin reads this list every time a mob attempts to spawn naturally. If the mob's type matches an entry in the disabled list, the spawn event is cancelled instantly. This happens at the server level, so it's efficient and doesn't cause lag. You can toggle the entire system on or off with a simple in-game command, making it perfect for temporary events or testing.
Supported Minecraft Versions and Loaders
SpawnBlocker is built for the Bukkit API, meaning it runs smoothly on Spigot, Paper, and any compatible fork. It has been tested extensively on Minecraft versions from 1.16.5 up to the latest 1.20.4, and it typically works on newer minor releases without any changes. Because it only hooks into the standard spawning event, it remains lightweight and rarely breaks with updates. Whether you're running a small private server or a large network, SpawnBlocker fits right in.
How to Install SpawnBlocker
Getting SpawnBlocker up and running takes less than a minute. Follow these steps:
- Download SpawnBlocker from the official SpigotMC resource page. You'll receive a
.jarfile. - Place the jar into your server's
pluginsfolder. - Restart your server (or run
/reload confirmif your server supports hot-loading). - Check that the
plugins/MobRemovalfolder has been created automatically.
If you're using the foxygame.net launcher, the process is even simpler. Its add-on catalog includes SpawnBlocker, so you can install it with a single click and rely on automatic version matching to keep the plugin compatible with your server jar. No manual downloads or file transfers needed.
Configuring the Plugin
Open the config.yml file inside the MobRemoval folder. You'll see something like this:
isEnabled: true— this toggles the entire plugin on or off. You can also change it in-game with a command.disabledEntities:— a list of mob types that should never spawn naturally. The file includes examples and clear instructions on how to add or remove entries.
To block creepers, for instance, you would add - CREEPER under the disabledEntities section. The plugin uses the standard Bukkit entity names, so you can add any mob from ZOMBIE to PHANTOM or even ENDER_DRAGON (though the dragon spawns only once, it's still a valid entry). After saving the file, either restart the server or use the in-game toggle command to apply changes instantly.
Using the In-Game Command
SpawnBlocker includes a straightforward command: /spawnblocker. Here's how it works:
- Run
/spawnblockerwithout arguments to check whether the plugin is currently enabled or disabled. - Run
/spawnblocker trueto enable mob blocking (same as settingisEnabled: truein the config). - Run
/spawnblocker falseto temporarily disable all blocking, allowing all mobs to spawn again.
This command is perfect for server admins who want to quickly test a new configuration or run a special event where certain mobs are allowed. No need to dig into files — just type and go.
Why Choose SpawnBlocker?
There are many mob management plugins out there, but SpawnBlocker stands out for its simplicity and focus. It doesn't try to control spawn rates, custom drops, or AI behavior. It does one thing: stop specific mobs from spawning. That minimalism means it's incredibly easy to configure, uses almost no server resources, and rarely conflicts with other plugins. If you've ever been frustrated by a plugin that overcomplicates a simple task, SpawnBlocker will feel like a breath of fresh air.
Server owners often use it to create immersive themed worlds — a medieval kingdom without witches, a desert empire without husks, or a skyblock map where only passive animals appear. It's also a lifesaver for players with phobias; you can remove spiders or silverfish entirely. The plugin respects your choices and stays out of the way.
Download SpawnBlocker and Take Control
Ready to shape your Minecraft world exactly the way you want it? Download SpawnBlocker today and start customizing your mob list. The plugin is free, open-source, and actively maintained. Whether you're running a vanilla-like survival server or a heavily modded Paper setup, SpawnBlocker for Minecraft delivers reliable, hassle-free mob filtering. Say goodbye to unwanted creepers, phantoms, and drowned — and hello to a server that finally feels like home.