
Guithium
Allows Paper plugins to add GUIs to Fabric clients.
Screenshots






About this Mod
Links
- Documentation: https://guithium.pl3x.net/
- Downloads: https://modrinth.com/project/guithium/
- Source Code: https://github.com/pl3x-net/guithium/
- Maven Repo: https://repo.pl3x.net/#/public/net/pl3x/guithium/guithium-api/
- Javadoc: https://jd.pl3x.net/net/pl3x/guithium/guithium-api/latest/
Available Versions
How to Install Guithium on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set fabric Loader
In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.5).
Install Mod
Open the mod browser in the dashboard and search for "Guithium". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.5
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Guithium 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 3 GB RAM is allocated and the loader matches the mod version (1.21.5). You can switch loaders with one click in the panel.
Is Guithium compatible with fabric and paper and purpur?
Guithium officially supports fabric, paper, purpur for Minecraft 1.21.5. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Guithium – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Guithium 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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Rent Modded Server
Install Guithium with just one click on your server.