Thunderbolt Core

Thunderbolt Core

The required core library for AE2 Lightning Tech, providing AE2LT with autocrafting optimizations, overloaded channels, and low-level infrastructure.

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About this Mod

Thunderbolt Core

Thunderbolt Core is a required core dependency developed primarily for AE2 Lightning Tech (AE2LT). It provides AE2LT with autocrafting optimizations, overloaded-channel support, matrix-crafting infrastructure, and other low-level features.

If you are installing AE2 Lightning Tech, you must also install Thunderbolt Core.

Thunderbolt Core can also be installed independently alongside Applied Energistics 2 to improve AE2 autocrafting planning and task dispatch. However, standalone use is secondary—the main purpose of this mod is to provide the core functionality required by AE2 Lightning Tech.

Features

  • Required core infrastructure for AE2 Lightning Tech
  • Overloaded-channel infrastructure for AE2LT
  • Matrix-crafting infrastructure for AE2LT
  • Faster AE2 autocrafting planning
  • Efficient batch dispatch for crafting tasks
  • Crafting extension APIs for compatible addons
  • Optional compatibility hooks for Advanced AE, NeoECO, AE2 Crafting Tree, and ExtendedAE Plus

Requirements

  • Minecraft 1.21.1
  • NeoForge 21.1.x
  • Applied Energistics 2 19.2.17–19.2.x

Thunderbolt Core and AE2 must be installed on both the client and the server.

Thunderbolt Core is required when using AE2 Lightning Tech. It may also be installed without AE2LT, but only its standalone AE2 optimization and infrastructure features will be available.

Issues and Feedback

If you encounter a compatibility problem, crash, or unexpected autocrafting behavior, please report it through GitHub Issues:

https://github.com/ae2lt/Thunderbolt-Core/issues

Please include your logs, mod list, and reproduction steps whenever possible.

License

Thunderbolt Core is licensed under the GNU LGPL 3.0.

Available Versions

Thunderbolt Core 1.0.6release
MC 1.21.1neoforge
August 13, 2026
Thunderbolt Core 1.0.5release
MC 1.21.1neoforge
August 12, 2026
Thunderbolt Core 1.0.4release
MC 1.21.1neoforge
August 10, 2026
Thunderbolt Core 1.0.3release
MC 1.21.1neoforge
August 7, 2026
Thunderbolt Core 1.0.2release
MC 1.21.1neoforge
August 6, 2026

How to Install Thunderbolt Core on Your Server

1

Order Server

Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).

2

Set forge Loader

In the panel under "Egg", select the forge loader and matching Minecraft version (1.21.1).

3

Install Mod

Open the mod browser in the dashboard and search for "Thunderbolt Core". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

forgeneoforge

Minecraft Versions

1.21.1, 1.20.1

Server-side

Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Thunderbolt Core server crashes on startup – what to do?

Most common cause: wrong forge 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 (1.21.1). You can switch loaders with one click in the panel.

Is Thunderbolt Core compatible with forge and neoforge?

Thunderbolt Core officially supports forge, neoforge for Minecraft 1.21.1, 1.20.1. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Thunderbolt Core – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Thunderbolt Core 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.

Rent Modded Server

Install Thunderbolt Core with just one click on your server.

Recommended RAM
4 GBfrom €5.2/mo
Minimum 3 GB | per 8 players
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NVMe SSD Storage
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Details

License
GNU Lesser General Public License v3.0 only
Server-side
Required

Supported Versions

1.21.11.20.1