Messenger is a client-side Fabric mod for Minecraft 1.21.8 that automatically sends your chat messages or runs /commands on a timer as you (no server plugin required). Configure everything in-game from ESC → Messenger with a simple editor for adding, editing, enabling/disabling, and deleting rules.
1.5).Open ESC → Messenger
1) Enter Minutes and Message (or a /command) → Add
2) Use ON/OFF, Edit, or Del per rule
3) Watch the countdown label for each enabled rule
/messenger add <minutes> <text...>/messenger list/messenger enable <index> / /messenger disable <index> / /messenger toggle <index>/messenger setinterval <index> <minutes>/messenger enableall / /messenger disableall