I figured that I had to go in the files the configs but I don't think that's it

Verification

The server must be verified to be visible in the Server Browser.

Before requesting verification make sure your server follows the Verified Server Rules.

Requesting Verification

Once ready send an email to [email protected] with the following info:

The server's external IPv4 address

The port used by the server

If the server IP is static or dynamic

This changed slightly.

Console will spam message like this:
[2024-04-08 15:25:05.396 +02:00] [MESSAGE FROM CENTRAL SERVER] Please set up visibility settings: https://staff.scpslgame.com/....

Follow that link and choose whether your server is private or public.