Open source · First AI Launcher · Cracked

Launch Minecraft
your way.

First AI generated Minecraft launcher, built with Python. No Microslop Account required. With Mod Loader support.

↓ Download See features
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OpenCraft
USERNAME
MOD LOADER
Vanilla
Fabric
Forge
VERSION
MEMORY — 2048 MB
▶ Play
CONSOLE
✓ Version list loaded.
▶ 26.0 [fabric] as 'Player'…
Downloading 26.0…
26.0 ready.
[Client thread/INFO]: Minecraft 26.0
[Render thread/INFO]: Backend library: LWJGL
✓ Game closed.

What's inside

Only the essentials,
no extra things.

🏴‍☠️
Cracked

Free, no Microsoft account required, easy, pick username and launch.

⚡
Fabric & Forge

Install Fabric or Forge with one click.

🎨
Custom Skins

Import any PNG skin. Currently on BETA

🎛
RAM Control

Slider caps at 75% of your system RAM. Aikar's JVM flags pre-loaded for the best GC performance.

🪟
Modern UI

Simple, Minimal, Modern UI, focused for simplicity over information

🐍
Pure Python

Built on minecraft-launcher-lib and tkinter. No Electron, no 200MB runtime. Compiled to a single .exe.

Ready to play?

Download the latest build. Requires Python 3.11+ and Java (Adoptium). Or grab the compiled .exe — no Python needed.

↓ Download .zip
📦
Linux & MacOS
Source · Python 3.11+
latest
⚙️
Windows 10/11
Compiled · Windows x64
latest
☕
Java (Adoptium)
Required to run Minecraft
↗

Get started in 3 steps

Run It
Yourself.

1
Install dependencies

Make sure Python 3.11+ and Java are installed. Then install the Python requirements.

pip install -r requirements.txt
2
Run the launcher

Navigate into the extracted folder and start it. The GUI opens immediately.

python main.py
3
Play

Pick a version, set your username, choose a mod loader if needed, and hit Play. The first launch downloads the game automatically.