Catalyst Core (CTCE)
Java mod listed for Minecraft 1.21. Downloads from the MC Java Mods app on Android.
Catalyst Core adds end-game items, blocks, and tools designed for Catalyst Studios Modpacks and any ModPack Developers out there.
⬇ Download on CurseForgeThe author built this one for Minecraft 1.21.1 on NeoForge. On other versions it may install and then do nothing.
Catalyst Core
Catalyst Core adds End-Game items, Blocks, Block Entities, Entities and Tools designed for Catalyst Studios Modpacks and any Modpack Developers out there.
If you're a PackDev looking to use anything this mod includes, we highly suggest using KubeJS or CraftTweaker as
some of our Items and Blocks don't have a vanilla recipe.
We have special section for PackDevs in our GitHub Repository that includes all of our custom recipe types with KubeJS and CraftTweaker examples. All Under the MIT LICENCE if you want to use them or know how they can be done.
Feel free to use this mod in any of your Modpacks!
- 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.
- Ships as catalystcore-0.0.1.jar — drop this file into the mods folder
- Download size: 1.4 MB
- Download link checked 2 Oct 2026 — working
These come from our own check of the pack file, not from the source page.