Entity Dumper

A simple utility mod to export all registered entities to JSON format.

What does it do?

Entity Dumper automatically generates a clean JSON file containing all registered entity IDs from your Minecraft world, including entities from all installed mods.

Features

✅ Automatic export - No commands needed, just join a world
✅ Clean output - Simple JSON array with entity registry names only
✅ Mod compatible - Works with any modpack and detects all modded entities
✅ Lightweight - Client-side only, minimal performance impact
✅ Developer friendly - Perfect for modpack creators and developers

How to use

Install the mod in your mods/ folder
Launch Minecraft and join any world (singleplayer or multiplayer)
Wait 3 seconds after joining
Check your .minecraft/ folder for entities_list.json

Output format

json

{
  "total_entities": 1134,
  "entities": [
    "minecraft:allay",
    "minecraft:zombie",
    "modname:custom_entity",
    "..."
  ]
}

Use cases

Modpack development - Inventory all entities in your pack
Data analysis - See which mods add the most entities
Configuration - Easy reference for entity IDs in configs
Documentation - Generate entity lists for wikis or guides

Requirements

Minecraft 1.20.1
Forge 47.2.0+
Client-side installation only

Notes

The mod only runs on the client side
File is generated automatically when joining a world
No configuration needed - it just works!
Safe to remove after generating the JSON file

Perfect for modpack creators, server administrators, and anyone who needs a complete list of entities in their Minecraft world.

entitydump