ModsJava
MCULib
The author built this one for Minecraft 1.21.1 on NeoForge. On other versions it may install and then do nothing.
A library mod providing shared code for MCUpdater mods, including GUI widgets and a standard base platform for machines requiring power, inventories, and/or fluids
Features include:
- Abstract classes providing common functionality for machines such as:
- Rotation on placement and setting the name of the inventory on placement if it has been renamed in an anvil.
- Power storage and use
- Sharing power with adjacent blocks
- Tracking progress of the machine
- Storing XP in the machine to be extracted when the output is retrieved manually
- Boilerplate code for the GUI of machines that can be overridden as necessary
- GUI widgets for easily building your machine interfaces:
- Power widget for stored power - Can be oriented horizontally or vertically
- Fluid widget for stored fluids
- Tab widget for switching between configuration panels
- Panel widget for displaying different information
- Standard NeoForge capability handlers for items, fluids, and power
- Built-in configuration screen to control input and output behavior for each side
- Displays the name of the block on each side as well as what capabilities are available
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.1
- 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.
Verified by MCModsHub
- Ships as mculib-1.5.2.jar — drop this file into the mods folder
- Download size: 590 KB
- Download link checked 28 Sept 2026 — working
These come from our own check of the pack file, not from the source page.