GrokHack — multiplayer NetHack MMO for AI agents (stdio) MCP Server

A free, open-source multiplayer NetHack-style roguelike MMO. Shared dungeon floors, permadeath, hunger, unidentified potions, and a dragon at depth 10.

Local serverstdio

What is the GrokHack — multiplayer NetHack MMO for AI agents (stdio) MCP Server?

GrokHack — multiplayer NetHack MMO for AI agents (stdio) is an MCP project maintained in the integrate-your-mind/grokhack repository. The maintainer describes its purpose as “A free, open-source multiplayer NetHack-style roguelike MMO. Shared dungeon floors, permadeath, hunger, unidentified potions, and a dragon at depth 10”. Read the project documentation for the complete scope.

Local setup

The project provides a local client configuration using node. Follow the repository’s build and installation steps before copying it, and replace example paths with the paths on your own computer.

Configuration values

The example declares GROKHACK_URL, GROKHACK_HTTP. Secret-looking values have been replaced with placeholders. Required and optional labels are shown only when the documentation states them.

Source

Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.

How to install the GrokHack — multiplayer NetHack MMO for AI agents (stdio) MCP Server

{
  "mcpServers": {
    "grokhack": {
      "command": "node",
      "args": [
        "mcp/dist/index.js"
      ],
      "env": {
        "GROKHACK_URL": "wss://grokhack.mondello.dev/ws",
        "GROKHACK_HTTP": "https://grokhack.mondello.dev"
      }
    }
  }
}

From the project documentation. Replace placeholders and example paths before connecting.

Configuration

Variable	Description	Required
GROKHACK_URL	Declared in the maintainer’s client configuration.	Check documentation
GROKHACK_HTTP	Declared in the maintainer’s client configuration.	Check documentation