
KubeJS Alchemistry/Chemlib
KubeJS Integration for Alchemistry and Chemlib
About this Mod
KubeJS Alchemistry/Chemlib
KubeJSAlchem is a powerful KubeJS addon designed to extend Alchemistry and Chemlib, allowing players and modders to create fully custom chemical elements, compounds, and alchemy recipes directly within Minecraft using JavaScript
For detailed documentation and examples, visit the official KubeJSAlchem Wiki.
Features
Custom Elements
Easily define new elements with properties such as atomic number, chemical group, period, matter state, metal type, color, and even custom effects. You can mark elements as artificial and assign them to groups, giving you total control over the periodic table in your modpack
Custom Compounds
Combine elements and other compounds to create unique chemical substances. Define compound colors, descriptions, and precise component ratios to simulate realistic or fantastical chemical behavior
Alchemistry Recipes
Seamlessly integrate with Alchemistry machines to create recipes for atomizers, compactors, combiners, and dissolvers. You can specify exact inputs, outputs, and probabilistic drops, making complex alchemical processes easy to implement
Utility Functions
KubeJSAlchem provides helpful functions for querying element properties, making it simple to display or manipulate chemical data in-game. Access information like atomic number, abbreviation, metal type, matter state, and active effects with ease
Flexible & Modder-Friendly
Whether you’re adding a single custom element or designing an entire chemistry system, KubeJSAlchem makes the process approachable and fully scriptable, empowering modders to expand Minecraft’s chemistry in creative ways
Support & Feedback: Join the Discord for bugs, suggestions, or general questions!
Available Versions
How to Install KubeJS Alchemistry/Chemlib on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set forge Loader
In the panel under "Egg", select the forge loader and matching Minecraft version (1.20.6).
Install Mod
Open the mod browser in the dashboard and search for "KubeJS Alchemistry/Chemlib". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.20.6, 1.20.5, 1.20.4 (+3 more)
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
KubeJS Alchemistry/Chemlib 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 (1.20.6). You can switch loaders with one click in the panel.
Is KubeJS Alchemistry/Chemlib compatible with forge?
KubeJS Alchemistry/Chemlib officially supports forge for Minecraft 1.20.6, 1.20.5, 1.20.4. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with KubeJS Alchemistry/Chemlib – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if KubeJS Alchemistry/Chemlib 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 KubeJS Alchemistry/Chemlib with just one click on your server.
