Seed Guard
Protects your world seed by altering feature and structure placement, preventing seed cracking.
About this Mod
SeedGuard
Protects your world seed by altering feature and structure placement, preventing seed cracking.
How does it work?
When generating worlds Minecraft builds the basic surface shape, then applies biomes and finally adds surface
decorations, which consist of features (trees, sugar cane, grass, ores...) and structures (villages,
pillager outposts...).
Each feature / structure has its own seed, which is hardcoded in vanilla (to ensure a world with
the same seed always looks the same). SeedGuard replaces these seeds with randomly generated seeds, making it impossible
to derive the world seed from features or structures.
Side-by-side view
SeedGuard changes the placement of features / structure in Minecraft, below is a simple demo of a world with and without
the mod installed.
Available Versions
How to Install Seed Guard on Your Server
Order Server
Order a Minecraft Java server with at least 4 GB RAM (6 GB recommended).
Set fabric Loader
In the panel under "Egg", select the fabric loader and matching Minecraft version (26.1.2).
Install Mod
Open the mod browser in the dashboard and search for "Seed Guard". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
26.1.2, 26.1.1, 26.1 (+23 more)
Server-side
✓ RequiredRecommended RAM
6 GB(min. 4 GB)Frequently Asked Questions
Seed Guard 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 4 GB RAM is allocated and the loader matches the mod version (26.1.2). You can switch loaders with one click in the panel.
Is Seed Guard compatible with fabric and quilt?
Seed Guard officially supports fabric, quilt for Minecraft 26.1.2, 26.1.1, 26.1. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Seed Guard – how to optimize performance?
Recommended RAM: 6 GB (per 5 players). Use /spark profiler to check if Seed Guard 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 Seed Guard with just one click on your server.