Auto-Attibute-Swap
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Automatically ghost-swaps your sword → mace → sword within a single server tick on every critical hit — combining sword attack speed with full mace damage, Breach, and Density enchantment power. Toggle with G. Zero visual desync.
Does not follow a specific thematic focus apart from vanilla Minecraft.
Used for mods with little to no gameplay elements.
Features machines that process raw materials or automation processes.
Focuses on or is balanced for player versus player combat and competition.
Includes quality of life improvements and small tweaks to enhance and customize gameplay.
Fabric is a mod loader for versions 1.14+ of Minecraft, particularly popular for client side and optimization mods.
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Description
⚔️ Auto-Attribute Swapping
Auto-Attribute Swapping exploits a longstanding vanilla Minecraft behavior (MC-28289) — when you switch hotbar slots in the same tick as an attack packet, the server reads damage from your new item but uses the cooldown that was already charged from your old one.
This mod automates the entire sequence at the packet level, invisibly, on every critical hit.

Crit conditions
The swap only activates when all of these are true:
- Falling (fall distance > 0)
- Airborne (not on ground)
- Not sprinting
- Not in water or lava
- Not on a ladder / vine
- No Blindness status effect
- Not riding a vehicle (horse, elytra, etc.)
Requirements
| Dependency | Version |
|---|---|
| Minecraft | 1.21 – 1.21.4 |
| Fabric Loader | ≥ 0.15.0 |
| Fabric API | Any |
| Prism Mod Menu | Any |
| Java | 21+ |
Installation
- Install Fabric Loader ≥ 0.15.0
- Drop
Fabric APIinto your mods folder - Drop
Prism Mod Menuinto your mods folder - Drop
ghostswap-2.0.0.jarinto your mods folder - Launch and press G to enable
Keybinds
| Key | Action |
|---|---|
| G | Toggle Auto-Attribute Swapping on / off |
Notes
- Client-side only — works on any server (vanilla, Paper, Spigot)
- Tested on Minecraft 1.21 – 1.21.4 with Fabric
- Made by Shubham96 · Prism Studios
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