FilesJS

FilesJS

Allow you to use kubejs for some restrictive operations on files

by
61.3K Downloads
forgegame-mechanicsmanagement
Rent Server with this Mod

Screenshots

FilesJS Screenshot 1

About this Mod

This is a plugin mod for kubejs that allows you to perform limited operations on files using kubejs.

The file reading and writing can only be done within the instance folder of Minecraft, and external file contents cannot be accessed.

Write multiple lines

FilesJS.writeLines("kubejs/server_scripts/src/test.js", ["test1,test2,test3"])

Delete file

FilesJS.delete("kubejs/server_scripts/src/test.js")

Change event trigger

ItemEvents.rightClicked('nether_star',event=>{
        FilesJS.backupFile("kubejs/README.txt")
})
    
Files.fileBackupCreated(event=>{
        event.server.tell("File backup path:",event.getPath())
})

You can't even access the mods folder!

Compared to directly accessing file content, this mod considers various security issues and restricts access to special extensions

Available Versions

FilesJS 1.3release
MC 1.20.1forge
March 2, 2025
FilesJS 1.2.3release
MC 1.20.1, 1.20.2, 1.20.3, 1.20.4, 1.20.5, 1.20.6, 1.21, 1.21.1, 1.21.2, 1.21.3, 1.21.4forge
December 13, 2024
FilesJS 1.2.2release
MC 1.20.1forge
December 11, 2024

How to Install FilesJS 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 (1.21.4).

3

Install Mod

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

Compatibility

Mod Loaders

forge

Minecraft Versions

1.21.4, 1.21.3, 1.21.2 (+8 more)

Server-side

Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

FilesJS 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 (1.21.4). You can switch loaders with one click in the panel.

Is FilesJS compatible with forge?

FilesJS officially supports forge for Minecraft 1.21.4, 1.21.3, 1.21.2. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with FilesJS – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if FilesJS 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 FilesJS 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
MIT License
Server-side
Required

Supported Versions

1.21.41.21.31.21.21.21.11.211.20.61.20.51.20.41.20.31.20.2+1 more