ModsJava
Coretechs
Java mod listed for Minecraft 1.21. Downloads from the MC Java Mods app on Android.
⬇ Download on ModrinthCoretechs
Coretechs is a standalone, serverside tech mod inspired by Tech Reborn, built using polymer, using its own custom energy system.
It currently adds:
- Magnets
- Different tiered cables
- Generators to power
- Summoner (converts energy to XP) and Experiencer (converts XP to energy)
- Voltmeters and switches
It is still in alpha, and not yet complete.
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.21, 1.21.1, 1.21.2
- 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.
File checked by MCModsHub
- Ships as coretechs-0.0.1.alpha.5.jar — drop this file into the mods folder
- Download size: 903 KB
- Download link checked 11 Oct 2026 — working
These come from our own check of the pack file, not from the source page.