About this fork:
This is a continuation of HyRCON by Dustin Rouillard, licensed under the MIT License. The original project hasn't been updated since January 2026, and a pull request with these fixes has been open since July without a response.

Changes from the original:

• The CommandSender interface dropped getDisplayName() and added getUsername().

All credit for the original mod goes to Dustin Rouillard. If the original is maintained again, I'm happy to merge these changes upstream.

• Original Project Page https://www.curseforge.com/hytale/mods/hyrcon
• Original GitHub Source Code https://github.com/dustinrouillard/hyrcon
• Direct Link to Mods MIT License https://github.com/dustinrouillard/hyrcon/blob/main/LICENSE.md

Existing rcon config can be migrated over to the new config folder generated by the mod. Or you can just fill out the new config file fresh.

HyRCON Mod

This mod runs a TCP server that listens for commands from external HyRCON clients to run in the server console, allowing easier commands in headless containerized deployments.

Configuration

When you first add the mod to your server and start it, a new directory will get created containing a config.yml.example if you rename this file to config.yml or copy it to the new name, and change the options to fit your needs it will use the config file over environment variables.

This plugin can also read configuration elements directly from the process environment variables for use in things like docker, you can configure this mod with the following variables at server startup.

• HYRCON_ENABLED / RCON_ENABLED: Enables or disables the HyRCON server. Defaults to true.
• HYRCON_BIND / RCON_BIND: Optional combined bind address in host:port (or [ipv6]:port) form. Defaults to 0.0.0.0:25575.
• HYRCON_HOST / RCON_HOST: Host fallback when no bind address is set. Defaults to 0.0.0.0.
• HYRCON_PORT / RCON_PORT: Port fallback when no bind address is set. Defaults to 25575.
• HYRCON_PROTOCOL / RCON_PROTOCOL: Chooses the remote console protocol to expose. Use hyrcon for the legacy line-based protocol or source for Source-compatible RCON. Defaults to source.
• HYRCON_PASSWORD / RCON_PASSWORD: Password required for client authentication. Defaults to changeme.

Connecting to the HyRCON Server

I created a simple Rust client that can be used to connect to the HyRCON server, which you can download from here, but any tools that can connect to a Source-compatible RCON server should work, if you come across any issues please open an issue on the GitHub repository.