Kielson's API

Common code for all of Kielson's mods.

by
1.7K Downloads
fabriclibrary
Rent Server with this Mod

About this Mod

Overview

Kielson's API is a library mod with common code for all of Kielson's mods. Kielson's API helps a lot in maintainting all my other mods.

Upon updating some functionality Kielson's API makes it easier by having that piece of code in one place instead of having a copy of it in every project. This means having to update one project, instead of three. This saves time and makes process of updating much easier.

What does Kielson's API do?

  • Supplies mods with entity attributes that are useful for creating items and entities.
  • Makes creating some items easier through custom classes and methods.
  • Helps with mod compatibility

Available Versions

0.8.1release
MC 1.21.11fabric
February 28, 2026
0.8release
MC 1.21.11fabric
December 13, 2025
0.7.5release
MC 1.21.6, 1.21.7, 1.21.8fabric
July 20, 2025
0.7.3release
MC 1.21.5fabric
May 31, 2025

How to Install Kielson's API on Your Server

1

Order Server

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

2

Set fabric Loader

In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.11).

3

Install Mod

Open the mod browser in the dashboard and search for "Kielson's API". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

fabric

Minecraft Versions

1.21.11, 1.21.8, 1.21.7 (+4 more)

Server-side

Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Kielson's API server crashes on startup – what to do?

Most common cause: wrong fabric 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 (1.21.11). You can switch loaders with one click in the panel.

Is Kielson's API compatible with fabric?

Kielson's API officially supports fabric for Minecraft 1.21.11, 1.21.8, 1.21.7. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Kielson's API – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Kielson's API 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 Kielson's API 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
LicenseRef-All-Rights-Reserved
Server-side
Required

Supported Versions

1.21.111.21.81.21.71.21.61.21.51.21.11.21