Experimental stuff. Albeit experimental, it should work.

modules/auto-kicker.js

@@ -0,0 +1,15 @@
+const { EmbedBuilder } = require('discord.js');
+const client = require('..');
+const settings = client.db.get(`settings-${member.guild.id}`) || {};
+
+client.on('guildMemberAdd', async member => {
+    //auto kicker
+    if (settings.newUserKicker === true) {
+        if (member.user.createdTimestamp > Date.now() - (settings.newUserKickerThreshold * 24 * 60 * 60 * 1000)) {
+            member.kick(`Account is too new.`).catch(() => {});
+            console.log(`Automatically kicked ${member.user.tag} from ${member.guild.name} for being too new.`)
+        } else {
+            console.log(`User account age is above the threshold. Not kicking ${member.user.tag} from ${member.guild.name}.`)
+        }
+    }
+});

slashCommands/staff/settings.js

@@ -0,0 +1,117 @@
+const { ApplicationCommandType, ApplicationCommandOptionType, EmbedBuilder } = require('discord.js');
+const cfg = require('../../config/config.js');
+
+module.exports = {
+    name: 'settings',
+    description: 'Change the settings for the bot.',
+    type: ApplicationCommandType.ChatInput,
+    options: [
+        {
+            name: 'verification',
+            description: 'Enable or disable, or change the settings of verification.',
+            type: ApplicationCommandOptionType.Subcommand,
+            options: [
+                {
+                    name: 'enable-or-disable',
+                    description: 'Enable or disable verification.',
+                    type: ApplicationCommandOptionType.String,
+                    choices: [
+                        {
+                            name: 'Enable',
+                            value: 'true'
+                        },
+                        {
+                            name: 'Disable',
+                            value: 'false'
+                        }
+                    ],
+                    required: true
+                },
+
+            ]
+        },
+        {
+            name: 'new-user-kicker',
+            description: 'Enable or disable, or change the settings of new user kicker.',
+            type: ApplicationCommandOptionType.Subcommand,
+            options: [
+                {
+                    name: 'enable-or-disable',
+                    description: 'Enable or disable new user kicker.',
+                    type: ApplicationCommandOptionType.String,
+                    choices: [
+                        {
+                            name: 'Enable',
+                            value: 'true'
+                        },
+                        {
+                            name: 'Disable',
+                            value: 'false'
+                        }
+                    ],
+                    required: true
+                },
+                {
+                    name: 'threshold',
+                    description: 'Set the amount of days user account age to kick.',
+                    type: ApplicationCommandOptionType.Integer,
+                    required: false
+                }
+            ]
+        },
+        {
+            name: 'check',
+            description: 'Check the current settings of the bot.',
+            type: ApplicationCommandOptionType.Subcommand
+        }
+    ],
+    default_member_permissions: ["Administrator"],
+    run: async (client, interaction) => {
+        await interaction.deferReply({ ephemeral: true });
+        const subcommand = interaction.options.getSubcommand();
+        const guildId = interaction.guild.id;
+        const settings = await client.db.get(`settings-${guildId}`) || {};
+
+        if (subcommand === 'verification') {
+                const value = interaction.options.getString('enable-or-disable');
+                client.db.set(`settings-${guildId}`, { verification: value });
+                return interaction.editReply({ content: `Verification has been ${value ? 'enabled' : 'disabled'}.` });
+        } else if (subcommand === 'new-user-kicker') {
+            const value = interaction.options.getString('enable-or-disable');
+            if (value === 'true') {
+                const threshold = interaction.options.getInteger('threshold') || 7;
+                client.db.set(`settings-${guildId}`, { newUserKicker: true });
+                client.db.set(`settings-${guildId}.newUserKickerThreshold`, threshold);
+                return interaction.editReply({ content: `New user kicker has been enabled with a threshold of ${threshold} days.` });
+            } else {
+                client.db.set(`settings-${guildId}`, { newUserKicker: false });
+                client.db.delete(`settings-${guildId}.newUserKickerThreshold`);
+                return interaction.editReply({ content: `New user kicker has been disabled.` });
+            }
+        } else if (subcommand === 'check') {
+            const embed = new EmbedBuilder()
+                .setTitle('Bot Settings')
+                .setColor('Green')
+                .setTimestamp();
+
+            if (settings.verification === true) {
+                embed.addFields({ name: 'Verification', value: 'Enabled' })
+            } else {
+                embed.addFields({ name: 'Verification', value: 'Disabled' })
+            }
+
+            if (settings.newUserKicker === true) {
+                embed.addFields(
+                    {
+                        name: 'New User Kicker',
+                        value: `Enabled with a threshold of ${settings.newUserKickerThreshold} days.`
+                    }
+                )
+            } else {
+                embed.addFields({ name: 'New User Kicker', value: 'Disabled' })
+            }
+
+            return interaction.editReply({ embeds: [embed] });
+        }
+    }
+}