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.
- Loaders
- Fabric
- Downloads on Modrinth
- 191
- Followers on Modrinth
- 0
- version
- 1
- Updated
- January 12, 2026Jan 12
- Published
- in 2026
At a glance
Install on the server only; players don't need it
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 ` | 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
FAQ
How to install Nether Spawnproof?
Install Fabric for your Minecraft version, download Nether Spawnproof for the same version and loader, put the file into the mods folder and launch the game with the loader profile.
Which Minecraft versions does Nether Spawnproof support?
Nether Spawnproof has builds for Minecraft 1.21.11.
Is Nether Spawnproof needed on the server?
Server only — players don't need to install it
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