Cleanroom is a custom modding framework designed to enhance and maintain Minecraft 1.12.2. It offers several advanced features and tools for mod developers.
Features:
- Allows for easy integration of mixins, which are used to modify the game’s behavior without altering the original source code.
- Supports a wide range of Forge mods, making it easier to load and use existing mods.
- Provides useful APIs for mod development, including optimized components and compatibility with Minecraft Coder Pack.
- Includes a template for setting up mod development environments.
- Offers patches to load mods that are otherwise incompatible with Minecraft 1.12.2.
- Uses Gradle for building and managing mod projects.
- Allows development using Scala 3 and Kotlin 2, providing flexibility for developers.
Screenshots:
Cleanroom Download Links
For Minecraft 1.12.2
Installer: Download from Server 1 – Download from Server 2
Universal: Download from Server 1 – Download from Server 2
For MultiMC Launcher: Download from Server 1 – Download from Server 2
Manual: Download from Server 1 – Download from Server 2
Quick facts
- Edition: Minecraft Java
- File type: .jar
- 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: In MC Java Mods, or directly above on this page.
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
- Downloads as 197931.mcaddon
- Download size: 4.9 MB
- Download link checked 26 Jul 2026 — working
- Mirrored on our own servers — the download does not depend on the original host
These come from our own check of the pack file, not from the source page.