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mcp/harbor
Claude Desktop

MythxEngine for Claude Desktop

io.github.protolabsai/mythxengine

Tabletop RPG engine over MCP: dice, combat, stress, clocks, world generation, four bundled worlds

client:Claude Desktop transport:stdio runtime:npm

Install MythxEngine in Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json · windows: %APPDATA%\Claude\claude_desktop_config.json

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "mythxengine": {
      "command": "npx",
      "args": [
        "-y",
        "@mythxengine/mcp-server"
      ],
      "env": {
        "RPG_MCP_DATA_DIR": "<RPG_MCP_DATA_DIR>"
      }
    }
  }
}

Settings → Developer → Edit Config opens this file. Restart the app after saving. Claude Desktop docs

MythxEngine in other clients

MythxEngine MCP server