{"id":103961,"date":"2026-06-06T02:34:57","date_gmt":"2026-06-05T23:34:57","guid":{"rendered":"https:\/\/vpesports.com\/minecraft\/mods\/mobsblocker\/"},"modified":"2026-06-06T02:34:57","modified_gmt":"2026-06-05T23:34:57","slug":"mobsblocker","status":"publish","type":"mod","link":"https:\/\/vpesports.com\/minecraft\/mods\/mobsblocker\/","title":{"rendered":"Mobs Blocker"},"content":{"rendered":"
\n

# Mobs Blocker
\n### Advanced Spawn Control for Your Server<\/p>\n

![NeoForge](https:\/\/neoforged.net\/)
\n![GitHub](https:\/\/github.com\/Dreyka-Oas\/Mobs-Blocker)
\n![MCreaHub](https:\/\/mcreahub.pages.dev\/)
\n![License](https:\/\/opensource.org\/licenses\/MIT)<\/p>\n

**Mobs Blocker** has been completely re-architected to give you granular control over entity spawning. Stop mobs based on specific conditions (natural spawns, spawners, eggs) or apply rules globally across mob categories.<\/p>\n

Report a Bug or Suggest a Feature<\/p>\n<\/div>\n

**`\u26a0\ufe0f UPDATE NOTICE: This mod has been rewritten and currently ONLY supports version 1.2.0. For version 1.1.0, please check the GitHub repository. Versions below 1.1.0 are no longer supported.`**<\/p>\n

—<\/p>\n

## \ud83d\ude80 How It Works & Core Features<\/p>\n

### The Logic System
\nMobs Blocker intercepts every entity spawn attempt and checks rules in this specific order:
\n1. **Specific Rules**: Is there a rule for this exact Entity ID? (e.g., `minecraft:zombie`)
\n2. **Preset Rules**: If not, is there a rule for its Category? (e.g., `monsters`)
\n3. **Global Rules**: If not, is there a Global rule set?<\/p>\n

### Key Features
\n* **Granular Control**: Block mobs based on *how* they spawn (Natural, Spawners, Eggs, Commands).
\n* **Smart Presets**: Apply rules to entire categories (e.g., block all `monsters` or `water_creatures`).
\n* **Global Settings**: Apply a rule to *every* entity on the server instantly.
\n* **In-Game Management**: Full command system with auto-completion.
\n* **Zero Lag**: Uses optimized `HashSet` lookups and hooks into NeoForge events for minimal performance impact.
\n* **Server-Side Only**: Clients do not need to install this mod.<\/p>\n

<\/p>\n

\n\ud83d\udcdc The Rules System (Understanding Block Types)<\/strong><\/summary>\n

<\/p>\n

When adding a rule, you define **what** to block. You can block specific sources or use “Inverse Mode” to allow *only* specific sources.<\/p>\n

| Rule Keyword | Effect |
\n| :— | :— |
\n| `all` | Blocks **ALL** spawns for this target. |
\n| `natural` | Blocks natural spawns (darkness, biome generation). |
\n| `spawner` | Blocks mob spawners (dungeons, trial spawners). |
\n| `egg` | Blocks spawn eggs and dispensers. |
\n| `command` | Blocks `\/summon` or command block spawns. |
\n| `!natural` | **Inverse**: Blocks everything *EXCEPT* natural spawns. |
\n| `!spawner` | **Inverse**: Blocks everything *EXCEPT* spawners. |
\n| `!command` | **Inverse**: Blocks everything *EXCEPT* commands. |<\/p>\n<\/details>\n

<\/p>\n

## \ud83d\udcbb Command Guide (Usage Examples)<\/p>\n

All commands require **OP Level 4**.<\/p>\n

### 1. Specific Mob Control (`add`)
\nTarget a single entity type.<\/p>\n

* **Block Zombies completely:**
\n “`mcfunction
\n \/spawnblocker add minecraft:zombie all
\n “`
\n* **Block Creepers from spawning naturally (but allow spawners\/eggs):**
\n “`mcfunction
\n \/spawnblocker add minecraft:creeper natural
\n “`
\n* **Allow Skeletons ONLY from Spawners (Inverse Mode):**
\n “`mcfunction
\n \/spawnblocker add minecraft:skeleton !spawner
\n “`<\/p>\n

### 2. Category Presets (`preset`)
\nApply rules to groups of mobs.
\n*Available categories:* `monsters`, `creatures`, `ambient`, `water`, `misc`.<\/p>\n

* **Block all Monsters from spawning naturally:**
\n “`mcfunction
\n \/spawnblocker preset monsters natural
\n “`
\n* **Disable all ambient creatures (Bats, etc.):**
\n “`mcfunction
\n \/spawnblocker preset ambient all
\n “`<\/p>\n

### 3. Global Settings (`global`)
\nApply a fallback rule to the entire server.<\/p>\n

* **Disable Natural Spawning server-wide (Adventure mode style):**
\n “`mcfunction
\n \/spawnblocker global natural
\n “`<\/p>\n

### 4. Management & Utilities
\n* **Remove a rule:**
\n “`mcfunction
\n \/spawnblocker remove minecraft:zombie
\n \/spawnblocker remove preset monsters
\n “`
\n* **List active rules:**
\n “`mcfunction
\n \/spawnblocker list
\n “`
\n* **Reload Config (from disk):**
\n “`mcfunction
\n \/spawnblocker reload
\n “`
\n* **Reset Everything (Wipe Config):**
\n “`mcfunction
\n \/spawnblocker reset
\n “`<\/p>\n

<\/p>\n

\n\ud83d\udcc2 Configuration File (Manual Editing)<\/strong><\/summary>\n

<\/p>\n

The configuration is saved automatically to `config\/spawnblocker.json`. You can edit this file manually if the server is stopped.<\/p>\n

**Example `spawnblocker.json`:**
\n“`json
\n{
\n “minecraft:phantom”: [
\n “all”
\n ],
\n “preset:monsters”: [
\n “natural”
\n ],
\n “minecraft:zombie”: [
\n “!spawner”
\n ],
\n “global_settings”: [
\n “command”
\n ]
\n}<\/p>\n","protected":false},"excerpt":{"rendered":"

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