Coretechs
A standalone tech mod designed to be fun, not work
About this Mod
Coretechs
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.
Available Versions
How to Install Coretechs on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set fabric Loader
In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.4).
Install Mod
Open the mod browser in the dashboard and search for "Coretechs". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.4, 1.21.3, 1.21.2 (+2 more)
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Coretechs server crashes on startup – what to do?
Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.4). You can switch loaders with one click in the panel.
Is Coretechs compatible with fabric and quilt?
Coretechs officially supports fabric, quilt for Minecraft 1.21.4, 1.21.3, 1.21.2. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Coretechs – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Coretechs consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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Rent Modded Server
Install Coretechs with just one click on your server.