Prefabworldmod
Added a new folder to minecraft's instance folder, when a user places a map in this folder, every world you create will be archived based on it. This module is intended for use by mapmakers and module pack authors.
About this Mod
After loading this module, a new
prefab_saves
folder will be created in your instance folder, you just need to place the world folder that you want to set up as a prefab map in it , when you create a new world, it will be created based on this map!
Example Folder
prefab_saves
If you're having problems：
Github
You can give feedback here
Available Versions
How to Install Prefabworldmod on Your Server
Order Server
Order a Minecraft Java server with at least 4 GB RAM (6 GB recommended).
Set fabric Loader
In the panel under "Egg", select the fabric loader and matching Minecraft version (1.20.1).
Install Mod
Open the mod browser in the dashboard and search for "Prefabworldmod". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.20.1, 1.18.2
Server-side
✓ RequiredRecommended RAM
6 GB(min. 4 GB)Frequently Asked Questions
Prefabworldmod server crashes on startup – what to do?
Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 4 GB RAM is allocated and the loader matches the mod version (1.20.1). You can switch loaders with one click in the panel.
Is Prefabworldmod compatible with fabric and forge?
Prefabworldmod officially supports fabric, forge for Minecraft 1.20.1, 1.18.2. Note: Forge and Fabric mods are NOT cross-compatible – pick one loader and stick with it. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Prefabworldmod – how to optimize performance?
Recommended RAM: 6 GB (per 5 players). Use /spark profiler to check if Prefabworldmod consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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Install Prefabworldmod with just one click on your server.