OPAC Better GUI

OPAC Better GUI

Addon for Open Parties And Claims. Simplifying party members management.

by
1.7K Downloads
forgemanagementsocialutility
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Screenshots

OPAC Better GUI Screenshot 1
OPAC Better GUI Screenshot 2

About this Mod

Addon for Open Parties And Claims. It adds a new menu to the user interface for convenient management of your group.

This mod runs on the client side! It does not need to be installed on the server.
You can open a new menu through the main menu of the mod "Open parties and claims" or using the command /opacgui menu

menu

Added GUI features:

  • List of online players on the server
  • List of members in your party
  • List of your allies (only party names)
  • Can click on a name from the list to insert the nickname of this player in the nickname input field
  • Buttons for quickly adding and removing a player to/from the party
  • Buttons for quickly adding a player as an ally
  • Quickly create a party with a name immediately
  • Rename parties and claims

Planned for future updates:

  • Сhat for party
  • Convenient color change
  • List of players from allied groups, not just their Party names
  • Series of visual improvements
  • Series of technical improvements and optimizations

Available Versions

OPAC Better GUI 1.0release
MC 1.20.1forge
December 15, 2025

How to Install OPAC Better GUI on Your Server

1

Order Server

Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).

2

Set forge Loader

In the panel under "Egg", select the forge loader and matching Minecraft version (1.20.1).

3

Install Mod

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

Compatibility

Mod Loaders

forge

Minecraft Versions

1.20.1

Server-side

Unsupported

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

OPAC Better GUI server crashes on startup – what to do?

Most common cause: wrong forge 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 OPAC Better GUI compatible with forge?

OPAC Better GUI officially supports forge for Minecraft 1.20.1. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with OPAC Better GUI – how to optimize performance?

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

Rent Modded Server

Install OPAC Better GUI with just one click on your server.

Recommended RAM
4 GBab €8/mo
Min. 3 GB | +1 GB pro 8 Spieler
Create Server Now
1-Click Mod Install
NVMe SSD Storage
DDoS Protection included

Details

License
MIT License
Server-side
Unsupported

Supported Versions

1.20.1