CurseForge · Minecraft mod
CatLib
Utilies for noise generation, Hjson, command processing, and some useful data types.
Quick answer
Which CatLib release matches 1.16.5 Forge?
CatLib-Forge-1.22+1.16.5.jar targets 1.16.5 with Forge. The project page does not say whether this file belongs on the client, dedicated server, or both. No extra mods listed for this file.
Where it goes
Is CatLib required on the client, server, or both?
The project page does not say whether this file belongs on the client, dedicated server, or both.
The source does not explicitly classify this release as client-only or server-only.
What else does CatLib-Forge-1.22+1.16.5.jar need?
CatLib-Forge-1.22+1.16.5.jar on 1.16.5 Forge. Every mod below is checked against that same setup.
This file does not list any required mods. Do not add a library just because a different file uses it.
This file does not list any required or optional mods.
Before you install it
Add CatLib without breaking your instance.
Built for CatLib-Forge-1.22+1.16.5.jar on 1.16.5 Forge. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use CatLib-Forge-1.22+1.16.5.jar. It targets 1.16.5 with Forge; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
This file does not list any required mods. Do not add a library just because a different file uses it.
- 03
Put it on the correct side
The project page does not say whether this file belongs on the client, dedicated server, or both.
- 04
Pick the file you checked
Use the “Get this file” button beside CatLib-Forge-1.22+1.16.5.jar. It opens that exact file at the source.
About this project
What does CatLib add?
CatLib
CatLib is a multi-platform collection of utilities designed to facilitate ports of Cave Generator and Ore Stone Variants to Minecraft 1.16+.
What can it do?
- An extremely convenient, annotation-based command registration API compatible with Fabric and Forge.
- An extensible linter that can provide expression-based syntax highlighting in the chat.
- A series of out of the box commands that can be automatically registered and adapted for any mod.
- Biome modification events (exposes dynamic registries and raw biomes on Forge platform).
- Registry added event listeners (normally unavailable on the Forge platform).
- Dynamic registry event listeners.
- Dynamic registry accessors, which always provide access to current registry info (regular vanilla, forge, or dynamic)
- Everything you need to get started with Hjson.
- A high level API used for large-scale JSON transformations.
- A series of helpful data types including a functional result type for handling errors.
- A custom build of Auburn's FastNoise library containing features from FastNoiseLite and FastNoise-Legacy.
- A small, platform-independent collection of methods that can be used for basic registry lookups.
- A couple of helpful IO utilities.
Who is this for?
This mod is intended to facilitate ports of Cave Generator and Ore Stone Variants to 1.16+.
I am hoping that other mod developers will take up interest in this library and consider using it. I am extremely open to provide additional features for this library if that would be helpful to other developers. If so, please send me a message on GitHub or Discord.
Find us on Discord!

There is growing community of users on Discord who would love to discuss this mod or anything related to underground terrain generation in Minecraft. Please consider joining us there!
Project description from CurseForge.
Pick your setup
CatLib by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.16.5
2 loader buildsCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
CatLib versions and loaders
CatLib-Forge-1.22+1.16.5.jar
29 Apr 2022
CatLib-Forge-1.21+1.16.jar
CatLib-Forge-1.20+1.16.jar
26 Apr 2022
CatLib-Forge-1.20.jar
22 Feb 2022
CatLib-Forge-1.19.jar
19 Feb 2022
CatLib-Forge-1.18.jar
17 Feb 2022
CatLib-Forge-1.17.jar
14 Feb 2022
CatLib-Forge-1.16.jar
12 Feb 2022
CatLib-Forge-1.15.jar
1 Feb 2022
CatLib-Forge-1.14.jar
31 Jan 2022
CatLib-Forge-1.13.jar
30 Jan 2022
CatLib-Forge-1.12.jar
24 Jan 2022
CatLib-Forge-1.11.jar
22 Jan 2022
Looking for an older file? The official CurseForge project page is in Resources.