A2S (Source Query) protocol implementation for Hytale servers. Enables server browsers and monitoring tools to query your Hytale server using the standard Valve A2S protocol.

• A2S_INFO - Server information
• A2S_PLAYER - Connected player list including their UUID
• A2S_RULES - Server rules/variables
• Challenge-response authentication

mvn clean package -q -Drevision=x.x.x

Output: target/hytale-query-a2s-x.x.x.jar

1. Copy hytale-query-a2s-x.x.x.jar to your Hytale server's mods/ directory
2. Restart the server

Set the QUERY_PORT environment variable to specify your server's Query port. Default is game port + 1.

export QUERY_PORT=29014

Using gamedig:

npx gamedig --type protocol-valve x.x.x.x:29014

Example response:

{ "name": "My Hytale Server", "map": "default", "password": false, "raw": { "protocol": 17, "folder": "hytale", "game": "Hytale", ... "players": [ { "name": "Fragnet (98373738-e122-4dc0-a6b1-ea73278d97b1)", "score": 0, "time": 0 } ] }, "version": "2026.01.17-4b0f30090", "maxplayers": 4, "numplayers": 1, ... "queryPort": 29014, "connect": "x.x.x.x:29013" }

MIT License - see LICENSE