RainyBot

Invite: https://discord.com/oauth2/authorize?client_id=1018460858625572924&permissions=3072&scope=bot%20applications.commands

RainyBot is a utility bot for Discord. Its invite asks for no permissions at all. Tools like this matter most once a server grows past a few hundred members. No owner has claimed this page yet, so the details come from public listing data. It has been on Discord since 2022.