- Loaders
- Fabric
- Downloads on Modrinth
- 372
- Followers on Modrinth
- 1
- versions
- 3
- Updated
- September 16, 2026Sep 16
- Published
- in 2026
At a glance
Install in the game only; not needed on the server
FixLib
FixLib is a Fabric utility library for Minecraft mods, based on the open-source project ukulib by uku.
It provides configuration utilities, tools for creating configuration screens, and other Minecraft-related utilities used by compatible mods.
Why use FixLib?
FixLib is intended for players and developers who need compatibility with mods that use the ukulib API while using the FixLib identity and configuration namespace.
Features
- Configuration utilities and screen components inherited from ukulib.
- Compatibility with the existing
net.uku3lig.ukulibJava API. - Compatibility alias for the
ukulibdependency. - FixLib-specific configuration namespace and branding.
Differences from ukulib
FixLib is a modified version of ukulib, not an entirely original library.
The changes include:
- Updated mod identity and metadata.
- Compatibility alias for the original dependency.
- Modified configuration namespace.
- Custom branding and interface resources.
Installation
- Install Fabric Loader for the supported Minecraft version.
- Download the compatible FixLib JAR.
- Place it in your Minecraft
modsfolder. - Launch Minecraft.
Important: Do not install ukulib and FixLib together in the same Minecraft profile.
FixLib is a library and is primarily intended for use by compatible mods.
Credits
Original project: ukulib on github
ukulib on modrinth FixLib modifications: fixpot47
Licensed under Mozilla Public License 2.0.
Support
License
Mozilla Public License 2.0 (MPL-2.0).
FAQ
How to install FixLib?
Install Fabric for your Minecraft version, download FixLib for the same version and loader, put the file into the mods folder and launch the game with the loader profile.
Which Minecraft versions does FixLib support?
FixLib has builds for Minecraft 26.2–26.3.
Is FixLib needed on the server?
Client only — no need to install it on the server