Gaming & Gamification · Developer Tools

Steam MCP logo

Steam MCP

algorhythmic/steam-mcp

This project implements a Steam MCP (Model Context Protocol) Server using Node.js, TypeScript, and the @modelcontextprotocol/sdk. The server acts as an intermediary between an MCP client (like Roo) and the Steam Web API, providing structured access to various Steam game statistics and user information.

Install

Client configuration

{
  "mcpServers": {
    "steam": {
      "command": "node",
      "args": [
        "/absolute/path/to/steam-mcp/build/index.js"
      ],
      "env": {
        "STEAM_API_KEY": "<STEAM_API_KEY>"
      }
    }
  }
}

Environment variables

STEAM_API_KEY
Category
Gaming & Gamification, Developer Tools
Updated
Oct 6, 2026

About Steam MCP

It communicates with the MCP client via standard input/output (stdio) using the @modelcontextprotocol/sdk's StdioServerTransport. It listens for tools/call requests, validates them, interacts with the Steam Web API using Axios, and returns formatted results or appropriate error messages.

Tools (10)

  • getCurrentPlayers

    Retrieves the current number of players for a given AppID.

  • getAppList

    Lists a page of Steam store apps (default 20, maximum 100).

  • getGameSchema

    Retrieves the game schema (stats, achievements) for a given AppID.

  • getAppDetails

    Retrieves store page details for one or more AppIDs.

  • getGameNews

    Retrieves the latest news items for a given AppID.

  • getPlayerAchievements

    Retrieves a player's achievement status for a specific game.

  • getUserStatsForGame

    Retrieves detailed statistics for a user in a specific game.

  • getGlobalStatsForGame

    Retrieves aggregated global stats for a specific game.

  • getSupportedApiList

    Retrieves the list of supported Steam Web API interfaces and methods.

  • getGlobalAchievementPercentages

    Retrieves global achievement completion percentages for a game.

Details on this page are taken from the project's README. Open README

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