Protocol JSON

This page is an up to date JSON representation of the Minecraft protocol. It is designed so that you may programtically create a packet parser in your language of choice.

{

   "0x00": [
       {
           "TYPE": "INT",
           "NAME": "id"
       }
   ],
   "0x01": [
       {
           "TYPE": "INT",
           "NAME": "entityID"
       },
       {
           "TYPE": "STRING",
           "NAME": "levelType"
       },
       {
           "TYPE": "BYTE",
           "NAME": "gameMode"
       },
       {
           "TYPE": "BYTE",
           "NAME": "dimension"
       },
       {
           "TYPE": "BYTE",
           "NAME": "difficulty"
       },
       {
           "TYPE": "BYTE",
           "NAME": "unused"
       },
       {
           "TYPE": "BYTE",
           "NAME": "maxPlayers"
       }
   ],
   "0x02": [
       {
           "TYPE": "BYTE",
           "NAME": "version"
       },
       {
           "TYPE": "STRING",
           "NAME": "username"
       },
       {
           "TYPE": "STRING",
           "NAME": "host"
       },
       {
           "TYPE": "INT",
           "NAME": "port"
       }
   ],
   "0x03": [
       {
           "TYPE": "INT",
           "NAME": "x"
       },
       {
           "TYPE": "INT",
           "NAME": "y"
       },
       {
           "TYPE": "INT",
           "NAME": "z"
       }
   ],
   "0x04": [
       {
           "TYPE": "LONG",
           "NAME": "time"
       }
   ]

}