serverlist.js

const { Client } = require('discord.js');

const client = new Client();

const token = 'dein user token hier: https://discordhelp.net/discord-token';

client.on('ready', () => {
    console.log("Servers:")
    client.guilds.forEach((guild) => {
        console.log(" - " + guild.name)
    })
});

client.login(token);