If you mine Mob Spawner by Silk Touch tools you can get it. This does not add a special Block or Item. And this is to drop the item that was added the NBT tag. The multiplayer is not supported.
Install MineSpawner Mod
- Download and install Minecraft Forge.
- Download the mod.
- Go to %appdata%.
- Go to .minecraft/mods folder.
- If the “mods” folder does not exist you can create one.
- Drag and drop the downloaded jar (zip) file into it.
- Enjoy the mod.
Download MineSpawner Mod