
Simple AutoTool
Automatically switches to the best tool in your hotbar when mining blocks.
About this Mod
Simple AutoTool Mod
A client-side Minecraft Fabric mod for version 1.21.4 that automatically switches to the best tool in your inventory when mining blocks.
Features
- Automatic Tool Switching: Detects the block you're targeting and automatically selects the most effective tool from your hotbar
- Smart Detection: Recognizes different block types and matches them with appropriate tools:
- Pickaxe for stone, ores, and other hard blocks
- Axe for wood and wooden materials
- Shovel for dirt, sand, gravel, and similar blocks
- Hoe for farmland and plant-based blocks
- Manual Override: Hold Shift (sneak) to disable auto-switching and maintain manual control
- Toggle Functionality: Press
R(configurable) to enable/disable the mod with on-screen feedback - Client-Side Only: Works on any server without requiring server-side installation
- Hotbar Only: Only switches between tools in your hotbar (slots 0-8)
Installation
Download and Install:
- Download the latest release from the releases page
- Place the
.jarfile in yourmodsfolder - Launch Minecraft with the Fabric profile
Usage
- Install the mod and launch Minecraft
- Join any world (singleplayer or multiplayer)
- Look at a block you want to mine
- The mod will automatically switch to the best tool in your hotbar
- Hold Shift to temporarily disable auto-switching
- Press G to toggle the mod on/off (you'll see a chat message confirming the status)
Configuration
- Toggle Key: The default key to toggle the mod is
G. You can change this in Minecraft's Controls settings under the "AutoTool" category.
How It Works
- Block Detection: The mod continuously monitors what block you're looking at
- Tool Analysis: It checks all items in your hotbar and calculates their mining efficiency for the target block
- Smart Switching: It switches to the tool with the highest mining speed multiplier
- Respect Player Intent: It won't switch when you're sneaking, allowing for manual control
Compatibility
- Minecraft Version: 1.21.4
- Mod Loader: Fabric
- Side: Client-side only
- Server Compatibility: Works on any server (Vanilla, Fabric, Paper, etc.)
- Other Mods: Should be compatible with most other mods
Technical Details
- Language: Java 21
- Framework: Fabric API
- Architecture: Event-driven with client tick events
- Performance: Lightweight with minimal performance impact
Troubleshooting
Mod not working?
- Ensure you have Fabric Loader and Fabric API installed
- Check that you're using Minecraft 1.21.4
- Verify the mod is enabled (press G to toggle)
Tools not switching?
- Make sure you're not sneaking (holding Shift)
- Ensure the correct tool is in your hotbar (slots 0-8)
- Check that you're looking directly at a block
Performance issues?
- The mod is designed to be lightweight, but if you experience issues, try toggling it off temporarily
License
This project is licensed under the MIT License.
Note: This mod is client-side only and does not require installation on servers. It works by automatically switching your selected hotbar slot based on the block you're targeting.
Available Versions
How to Install Simple AutoTool on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set fabric Loader
In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.4).
Install Mod
Open the mod browser in the dashboard and search for "Simple AutoTool". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.4, 1.21.3, 1.21.2
Server-side
~ OptionalRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Simple AutoTool server crashes on startup – what to do?
Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.4). You can switch loaders with one click in the panel.
Is Simple AutoTool compatible with fabric?
Simple AutoTool officially supports fabric for Minecraft 1.21.4, 1.21.3, 1.21.2. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Simple AutoTool – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Simple AutoTool consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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