🗡 SMS Swap (Client-Only)
SMS Swap is a lightweight client-side Fabric mod for Minecraft 1.21.4 that helps you execute fast PvP combos by swapping to a configured hotbar slot, waiting a small delay (for server sync), performing the action, then returning to your previous slot automatically.
✅ Features
-
100% client-side (no server install required)
-
Hit macro (always triggers):
swap → delay → vanilla attack → delay → swap back
Uses the vanilla attack behavior (same as pressing LMB): works on entities, blocks, and air. -
3 separate Use macros (multiple keybinds):
swap → delay → vanilla use → delay → swap back -
Configurable delays (ticks)
-
Automatic return to your previous hotbar slot
-
Settings persist in
.minecraft/config/sms-swap.json -
In-game configuration via commands + tab completion
⌨ Keybinds (Controls → SMS Swap)
Default bindings (change in Controls):
-
Use Macro 1:
X -
Use Macro 2:
Left Alt -
Use Macro 3:
C
📜 Commands
/sms status
/sms hit off
/sms hit <1-9> delay <ticks>
/sms use1 off
/sms use1 <1-9> delay <ticks>
/sms use2 off
/sms use2 <1-9> delay <ticks>
/sms use3 off
/sms use3 <1-9> delay <ticks>
🧠Recommended delay values
-
Start with
delay 2 -
If your server has higher ping or strict anti-cheat, try
delay 3–5
💾 Config file
Settings are saved automatically to:.minecraft/config/sms-swap.json