Filtermos
Filtermos is a Minecraft 1.21.8 mod for Fabric. It lets you define an item filter list: any item on that list will not be picked up when it is on the ground, so your inventory is not filled with unwanted drops (e.g. rotten flesh or cobb
About this Mod
Features
- Filter pickups by item: Items you select in the config screen will not be picked up in-game.
- Per-player config: Each player has their own filter list (currently stored in memory; server restart clears it).
- Visual item selector: Choose items from a GUI with search and scroll.
How to Use
- Open the config screen
- Press G in-game, or
- Open Mod Menu → this mod → Config.
- Choose items to filter
- Click item slots to toggle them on/off.
- Use the search box to filter by name or item ID.
- Use the mouse wheel to scroll the list.
- Save
- Click 「完成」 (Done); the list is sent to the server and applied immediately.
Requirements
- Minecraft 1.21.8
- Fabric Loader (≥ 0.18.4)
- Fabric API
- Java 21+
Installation
- Install Fabric and Fabric API.
- Put the mod jar into your
.minecraft/modsfolder. - Launch the game.
Available Versions
How to Install Filtermos 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 (1.21.8).
Install Mod
Open the mod browser in the dashboard and search for "Filtermos". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.8
Server-side
✗ UnsupportedRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Filtermos 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 (1.21.8). You can switch loaders with one click in the panel.
Is Filtermos compatible with fabric and neoforge?
Filtermos officially supports fabric, neoforge for Minecraft 1.21.8. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Filtermos – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Filtermos 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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