I must have missed that one in the documentation. Thanks for your help!

For anyone else who is searching, the here are the docs:
https://lua-api.factorio.com/latest/LuaRCON.html

And a Python library I found which handles sending commands:
https://github.com/mark9064/factorio-rcon-py

Hi all

I was wondering if a TCP/IP connection could be added to modding capability. I understand the potential security risks this poses, so to combat those, I would suggest the TCP/IP can only act as a server which accepts TCP/IP connections from Localhost only. This is the same way OpenRCT2 ...