Dupe Fun
A simple mod that can be configured with /autodupe <option> that duplicates items when they drop. /autodupe <option>
About this Mod
A duplicator mod that duplicates any dropped item and can be further configured via the Mod Menu.
This is just the first mod I've ever made, so if you want to help me fix any errors (reporting) in the mod, I'd appreciate it. ^^
The mod can only be used on a server (obviously).
Available Versions
How to Install Dupe Fun on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set bukkit Loader
In the panel under "Egg", select the bukkit loader and matching Minecraft version (26.1.2).
Install Mod
Open the mod browser in the dashboard and search for "Dupe Fun". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
26.1.2, 1.21.11, 1.21.10 (+25 more)
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Dupe Fun server crashes on startup – what to do?
Most common cause: wrong bukkit version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (26.1.2). You can switch loaders with one click in the panel.
Is Dupe Fun compatible with bukkit and fabric and paper and purpur and spigot and sponge?
Dupe Fun officially supports bukkit, fabric, paper, purpur, spigot, sponge for Minecraft 26.1.2, 1.21.11, 1.21.10. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Dupe Fun – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Dupe Fun 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 Dupe Fun with just one click on your server.