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mcp/harbor
Gemini CLI

Steam MCP Server for Gemini CLI

io.github.grinv/steam-games-mcp

Steam store/game data (no key) plus player profiles, libraries and achievements (Steam Web API).

client:Gemini CLI transport:stdio runtime:npm

Install Steam MCP Server in Gemini CLI

~/.gemini/settings.json · windows: %USERPROFILE%\.gemini\settings.json

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

{
  "mcpServers": {
    "steam-games-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "steam-games-mcp"
      ],
      "env": {
        "STEAM_API_KEY": "<STEAM_API_KEY>",
        "STEAM_ID": "<STEAM_ID>",
        "STEAM_COUNTRY": "<STEAM_COUNTRY>",
        "STEAM_LANGUAGE": "<STEAM_LANGUAGE>"
      }
    }
  }
}

Gemini expands $VAR and ${VAR} inside env values, so a secret can live in your shell rather than this file. Gemini CLI docs

Steam MCP Server in other clients

Steam MCP Server MCP server