steam-storefront-mcp

steam-storefront-mcp

MCP server enabling AI assistants to search Steam games, retrieve official store metadata, and analyze player review sentiment via public Steam Storefront JSON APIs without an API key.

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README

steam-storefront-mcp

An MCP (Model Context Protocol) server that gives AI assistants access to public Steam Storefront metadata, official genres, categories, and player review sentiment via structured Steam Storefront JSON APIs.

Search for games on Steam, retrieve official store details, and analyze Steam player review ratings — all without needing a Steam API key. For underlying API documentation and technical guidelines, see the official Steam Web API Documentation.


Tools

Tool Parameters Description
search_store term (string) Search Steam Storefront by game title query — returns matching games with AppIDs via structured JSON API.
get_store_details appId (number) Get official store metadata (genres, categories, short/detailed description, developers, publishers, metacritic score, platforms, release date).
get_app_reviews appId (number) Get Steam player review statistics (positive review percentage, total review count, rating score string e.g. "Overwhelmingly Positive").

Prerequisites

  • Node.js v18 or later
  • No API keys or Steam account required — this server uses public Steam Storefront endpoints.

Installation & Configuration

Option A — npx (Recommended, no install required)

Add the following to your MCP client config file:

{
  "mcpServers": {
    "steam-storefront": {
      "command": "npx",
      "args": ["-y", "steam-storefront-mcp"]
    }
  }
}

Option B — Clone and build locally

git clone https://github.com/brandikun/steam-storefront-mcp.git
cd steam-storefront-mcp
npm install
npm run build

Then add to your MCP config:

{
  "mcpServers": {
    "steam-storefront": {
      "command": "node",
      "args": ["/absolute/path/to/steam-storefront-mcp/dist/index.js"]
    }
  }
}

MCP Client Config Locations

Client Config File Location
Antigravity / AGY ~/.gemini/antigravity-cli/settings.json or mcp_config.json
Claude Desktop (macOS) ~/Library/Application Support/Claude/claude_desktop_config.json
Claude Desktop (Windows) %APPDATA%\Claude\claude_desktop_config.json

Example Usage

Once connected, you can ask your AI assistant questions like:

  • "What is the Steam review consensus for Vampire Crawlers?"
  • "Search Steam for Elden Ring to get its AppID"
  • "Find out if Hades II supports full controller support, co-op, and Steam Deck"

Performance & Caching

Feature Details
In-Memory Cache All Steam Storefront API and store page requests are cached in memory for 1 hour (3600s).
Rate Limit Protection Repeated lookups for the same game use 0 network requests.

License

MIT

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