Kotlin for Forge is a Minecraft Java Edition mod that adds a Kotlin language loader and provides optional utilities. It is intended for developers who want to create mods using the Kotlin programming language.
Kotlin for Forge can be loaded using Forge or NeoForge loaders and is categorized as a library-api. It provides the necessary tools for developers to create and load Kotlin-based mods on the client and server side, requiring the corresponding loader to be installed.