Forgelin: Legacy

Forgelin: Legacy

Kotlin support for Forge. Based on Shadowfacts' Forgelin, ported to 1.7.10, with additional features.

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794 Downloads
forgelibrary
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About this Mod

This is a library mod designed to be used by other mods. It doesn't add any game features by itself, and is purely an API.

Additions

  • Backport to 1.7.10
  • Updated to Kotlin 2.x
  • Dynamic kotlin downloading via FPLib DepLoader (much smaller mod jar size!)
  • Provides a Forge ILanguageAdapter for using Kotlin object classes as your main mod class.
  • Provides Dispatchers.MinecraftServer and Dispatchers.MinecraftClient for dispatching coroutines during server tick and client tick, respectively

Information for mod developers below

  • Usage with FPGradle:

build.gradle.kts:

plugins {
    //...
    kotlin("jvm") version "2.2.21"
}
minecraft_fp {
    //...
    kotlin {
        forgelinVersion = "2.4.0-2.2.21"
    }
}

gradle.properties:

kotlin.stdlib.default.dependency=false

The kotlin version that forgelin downloads is always in the suffix after the - in the version number

Available Versions

2.4.0release
MC 1.7.10forge
November 23, 2025

How to Install Forgelin: Legacy on Your Server

1

Order Server

Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).

2

Set forge Loader

In the panel under "Egg", select the forge loader and matching Minecraft version (1.7.10).

3

Install Mod

Open the mod browser in the dashboard and search for "Forgelin: Legacy". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

forge

Minecraft Versions

1.7.10

Server-side

~ Optional

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Forgelin: Legacy 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 (1.7.10). You can switch loaders with one click in the panel.

Is Forgelin: Legacy compatible with forge?

Forgelin: Legacy officially supports forge for Minecraft 1.7.10. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Forgelin: Legacy – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Forgelin: Legacy 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.

Rent Modded Server

Install Forgelin: Legacy with just one click on your server.

Recommended RAM
4 GBab €8/mo
Min. 3 GB | +1 GB pro 8 Spieler
Create Server Now
1-Click Mod Install
NVMe SSD Storage
DDoS Protection included

Details

License
GNU Lesser General Public License v3.0 only
Server-side
Optional

Supported Versions

1.7.10