Nether Spawnproof

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