
ModsJava
The Config Lib
I don't know my version or loader
Open the Minecraft launcher and look at the profile you play on — it names both, like fabric-loader-1.21.4. The version also shows in the bottom-right corner of the game's main menu.
No loader in the profile name? Then it's plain Minecraft, and these mods won't run — you need Fabric or NeoForge installed first.

TheConfigLib
The Config Lib, one and only config library for your mods!
What is TCL?
TheConfigLib (TCL) is a library mod to allow other mods create and use configs and build GUIs for them. On its own it does nothing, you need other mod to utilize TCL API.
It was created as fork of YACL to address API and compatibility issues.
License
This mod is under the GNU Lesser General Public License, v3.0.
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.20.3, 1.20.4
- 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 Modrinth — 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.
Verified by MCModsHub
- Ships as the-config-lib-4.0.0.jar — drop this file into the mods folder
- Download size: 1009 KB
- Download link checked 31 Aug 2026 — working
These come from our own check of the pack file, not from the source page.