Quilt Kotlin Libraries
Quilt Kotlin Libraries is Quilt's official Kotlin wrappers for QSL and Minecraft. It also bundles the Kotlin StdLib, and some Kotlinx libraries. You do not need Fabric Language Kotlin with Quilt Kotlin Libraries installed.
This project requires Quilt Loader!
The Quilt Project
The Quilt project is an open-source, community-driven modding toolchain designed primarily for Minecraft. By focusing on speed, ease of use and modularity, Quilt aims to provide a sleek and modern modding toolchain with an open ecosystem.
Learn more about Quilt on our website.
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
Verified by MCModsHub
- Ships as quilt-kotlin-libraries-5.0.0+kt.2.0.21+flk.1.12.3.jar — drop this file into the mods folder
- Download size: 7.3 MB
- Download link checked 26 Aug 2026 — working
These come from our own check of the pack file, not from the source page.