Nether Spawnproof
Places buttons on spawnable surfaces to prevent mob spawning. Perfect for Wither skeleton farms in the Nether. Two speed modes, preview before placing, supports all button types.
About this Mod
SpawnProof
Places buttons on all spawnable surfaces within a radius to prevent mob spawning. Perfect for Wither skeleton farms in the Nether.
Commands
| Command | Description |
|---|---|
/spawnproof |
Preview with default radius (128 blocks) |
/spawnproof <radius> |
Preview with custom radius (8-128 blocks) |
/spawnproof stop |
Stop the current task |
/spawnproof help |
Show all commands |
Features
Speed Modes
| Mode | Rate | Use Case |
|---|---|---|
| Safe (default) | 10 buttons/sec | Conservative, minimal server impact |
| Fast | 200 buttons/sec | Quick coverage, tested with no TPS lag |
Click [START] for safe mode or [START FAST] for fast mode.
Preview System
Before placing any buttons, the mod scans the area and shows:
- Spawnable blocks found - Actual count of surfaces needing buttons
- Buttons in inventory (survival mode)
- Time estimates for both speed modes
Game Modes
| Mode | Who | Behavior |
|---|---|---|
| OP Mode | Players with permission level 2+ | Unlimited stone buttons |
| Survival Mode | Regular players | Uses any button type from inventory |
Supported Button Types (Survival Mode)
- Stone, Polished Blackstone - Don't burn
- Warped, Crimson - Nether wood, don't burn in the Nether!
- Oak, Spruce, Birch, Jungle, Acacia, Dark Oak, Mangrove, Cherry, Bamboo
Spawnable Block Detection
A block is considered spawnable if:
- Current position is air (where the button will go)
- Block below is solid with full top surface (not bedrock)
- Block above is air (mob headroom)
Technical Details
- Minecraft: 1.21.11
- Mod Loader: Fabric
- Dependencies: Fabric API
- Source: GitHub
Available Versions
How to Install Nether Spawnproof 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 (1.21.11).
Install Mod
Open the mod browser in the dashboard and search for "Nether Spawnproof". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.11
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Nether Spawnproof 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 (1.21.11). You can switch loaders with one click in the panel.
Is Nether Spawnproof compatible with fabric?
Nether Spawnproof officially supports fabric for Minecraft 1.21.11. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Nether Spawnproof – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Nether Spawnproof 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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