The building blocks of GT5 Reimagined and numerous of its addons to come.
It's an extensive API for 1.18+ that offers features like:
Streamlining registration of blocks, items and more registry compatible objects
Extensive builders for data generation
Offers runtime data generation instead of compile time in modern Minecraft versions
Extensive recipe generation
Materials and parts system
Configurable world generation simplified
Easy machine system, still largely focused around eu machines, but it does have the ability to do rf machines.
Cover system for said machines and pipes.
- 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 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.
- Ships as GT-Lib-0.5.2-1.20.1.jar — drop this file into the mods folder
- Download size: 7.5 MB
- Download link checked 6 Sept 2026 — working
These come from our own check of the pack file, not from the source page.