How do I install Jujutsu Craft Index Fix (Working)?

Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. Download the .jar. Put it in the .minecraft/mods folder and launch that loader profile. Opens on CurseForge — not every file is mirrored on our own servers.

What Minecraft version does Jujutsu Craft Index Fix (Working) work with?

The listing gives Minecraft 1.20.1. This is the version stated by the author or source site, not something we verified ourselves.

Home›Java›Mods›Jujutsu Craft Index Fix (Working)

ModsJava

Jujutsu Craft Index Fix (Working)

Java mod listed for Minecraft 1.20. File opened and checked on 19 Oct 2026; downloads from the MC Java Mods app on Android.

by Almirion · on CurseForge

⬇ Download on CurseForge

Open in MC Java Mods Get it on Google Play →

Jujutsu Craft Index Fix

(Every Server is allowed to use this mod!)

Jujutsu Craft Index Fix is a server side Forge mod created specifically for the Jujutsu Limitless RPG Minecraft server (https://discord.gg/Mr8YnQbHCK). It fixes a known networking issue where clients running the JujutsuCraft mod send an invalid difficulty packet during login, which can cause players to be disconnected.

This mod fixes the annoying bug where you need RNG to be able to connect to your server when other players are online and playing

Quick facts

Edition: Minecraft Java
File type: .jar
Minecraft version listed: 1.20.1
How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
Where to get it: Opens on CurseForge — not every file is mirrored on our own servers.

Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.

Jujutsu Craft Index Fix (Working) is a free Minecraft Java mod. Compatible with Minecraft 1.20.1. Downloaded 422,108 times (via CurseForge). Download it and open it directly in the game.