KJ's Progression Limiter

Command-based tool progression locks designed for use in Puffish's Skill Tree mods

by
404 Downloads
fabricequipmentmanagementutility
Rent Server with this Mod

About this Mod

Adds a /tools command to lock and unlock both vanilla and modded tools
Developed for use with Pufferfish Skill Trees to add an easy way to implement restricted tools on fabric.

Do not use as a standalone mod, there is no built in progression.
To modify the initial tool blacklist, you must edit the util.InitialToolBlacklist.java file

Available Versions

KJ's Progression Limiter 1.1.3release
MC 1.21.1, 1.21.2, 1.21.3, 1.21.4, 1.21.5, 1.21.6fabric
June 21, 2025
KJ's Progression Limiter 1.1.2release
MC 1.21.1, 1.21.2, 1.21.3, 1.21.4, 1.21.5fabric
June 12, 2025
KJ's Progression Limiter 1.1.1release
MC 1.21.1, 1.21.2, 1.21.3, 1.21.4, 1.21.5fabric
June 11, 2025
KJ's Progression Limiter 1.1.0release
MC 1.21.1, 1.21.2, 1.21.3, 1.21.4, 1.21.5fabric
June 10, 2025
KJ's Progression Limiter 1.0.2release
MC 1.21.1, 1.21.2, 1.21.3, 1.21.4, 1.21.5fabric
June 4, 2025

How to Install KJ's Progression Limiter 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 (1.21.6).

3

Install Mod

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

Compatibility

Mod Loaders

fabric

Minecraft Versions

1.21.6, 1.21.5, 1.21.4 (+3 more)

Server-side

Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

KJ's Progression Limiter 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 (1.21.6). You can switch loaders with one click in the panel.

Is KJ's Progression Limiter compatible with fabric?

KJ's Progression Limiter officially supports fabric for Minecraft 1.21.6, 1.21.5, 1.21.4. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with KJ's Progression Limiter – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if KJ's Progression Limiter 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 KJ's Progression Limiter 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
Creative Commons Zero v1.0 Universal
Server-side
Required

Supported Versions

1.21.61.21.51.21.41.21.31.21.21.21.1