AutoRefillX
Automatically refills your hotbar slot when you run out of blocks or items while building or mining.
About this Mod
🧱 Auto Refill (Client)
Version: 1.0.0 — Fabric 1.21.9
Description
Never interrupt your building flow again!
Auto Refill (Client) automatically refills your hotbar slot with another stack of the same block or item from your inventory the moment you run out — no menus, no scrolling, and no lost momentum.
It’s completely client-side, meaning you can use it on any server, vanilla or modded, without needing permissions or server mods.
✨ Features
🧠 Instantly refills your empty hotbar slot with the same block or item
🔁 Smart matching system — ensures you only refill identical items (e.g., Glass → Glass, Wool → Wool)
🚫 Disabled in Creative Mode to prevent inventory bugs
⚙️ 100% client-side — works perfectly on vanilla, modded, or multiplayer servers
⚡ Lightweight & optimized — runs every few ticks for smooth performance
🎨 Includes clean metadata and icon support for Mod Menu
🏗️ Perfect for builders, miners, and survival players who value seamless gameplay
🧱 Requirements
Fabric Loader: 0.17.3+
Minecraft: 1.21.9 (also compatible with 1.21.10)
Fabric API: Latest for 1.21.9
📦 Optional Mods (Recommended)
Mod Menu – to view the mod icon and description in-game
YetAnotherConfigLib (YACL) – for potential future settings (like toggles or delays)
Available Versions
How to Install AutoRefillX 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 (1.21.10).
Install Mod
Open the mod browser in the dashboard and search for "AutoRefillX". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.10, 1.21.9
Server-side
✗ UnsupportedRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
AutoRefillX 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 (1.21.10). You can switch loaders with one click in the panel.
Is AutoRefillX compatible with fabric?
AutoRefillX officially supports fabric for Minecraft 1.21.10, 1.21.9. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with AutoRefillX – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if AutoRefillX 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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Rent Modded Server
Install AutoRefillX with just one click on your server.