Compukter Kraft

Computers in Minecraft, programmed in a tiny statically-typed language. With a real IDE inside.

32 Downloads

neoforgegame-mechanicstechnology

Rent Server with this Mod

About this Mod

Programmable computers for Minecraft — booted end-to-end on a custom Rust VM.

Inspired by ComputerCraft. With one big difference: the runtime is not Lua —
it is a native Rust virtual machine (rux-vm) wrapped via JNI.

What you get

💻 Notebook — a portable player-facing computer item that boots its own
Rux VM instance on a background daemon thread.
🖥 Rux VM — a deterministic, sandboxed virtual machine implemented in
Rust. Boots Rux16 code from per-computer bios.flash files and storage0
ruxvol boot media.
🔌 Display + input devices — accelerated framebuffer with copyRect /
blitMono primitives, terminal input queue, and a per-device runtime workspace.

Status

Mid-rewrite. The legacy in-game CKL language stack, the Workbench IDE,
the standalone Computer block, the Workbench/Terminal/Serial items, and the
CKIM bytecode runtime have all been removed. The remaining player-facing
surface is Notebook, booted through the Rust VM's Rux16 BIOS path
(bios.flash → storage0.ruxvol boot entry → guest Rux16 execution).

Currently for NeoForge 1.21.1.

Devlog (in russian): https://t.me/lazyhatdev
License: GPL-3.0

Available Versions

Compukter Kraft 1.21.1-0.1.0alpha

MC 1.21.1neoforge

April 26, 2026

How to Install Compukter Kraft on Your Server

Order Server

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

Set neoforge Loader

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

Install Mod

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

Compatibility

Mod Loaders

neoforge

Minecraft Versions

1.21.1

Server-side

✓ Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Compukter Kraft server crashes on startup – what to do?

Most common cause: wrong neoforge 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 Compukter Kraft compatible with neoforge?

Compukter Kraft officially supports neoforge for Minecraft 1.21.1. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Compukter Kraft – how to optimize performance?

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