Harmonia

Add compatability between Cadmus and Xaero's Worldmap. (Fabric/Forge 1.20.1)

31.1K Downloads

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Rent Server with this Mod

About this Mod

Named after the wife of the great king and founder of Thebes.

This mod works alongside Cadmus (>=1.0.7) and Xaero's World Map (>= 1.38.1) for Minecraft 1.20.1 (Fabric and Forge).

It aims to provide the Cadmus claiming functionalities within the Xaero's World Map. It needs to be installed on both, the client and server, for it to work. Clients without the mod can still connect to the server without problem.

If you come across issues, create a ticket on the GitHub project.

Available Versions

[Fabric] Harmonia 1.2.0release

MC 1.20.1fabric

June 17, 2024

[Forge] Harmonia 1.2.0release

MC 1.20.1forge

June 17, 2024

How to Install Harmonia 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 (1.20.1).

Install Mod

Open the mod browser in the dashboard and search for "Harmonia". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

fabricforge

Minecraft Versions

1.20.1

Server-side

✓ Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Harmonia 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 (1.20.1). You can switch loaders with one click in the panel.

Is Harmonia compatible with fabric and forge?

Harmonia officially supports fabric, forge for Minecraft 1.20.1. 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 Harmonia – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Harmonia 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.