Koskamo

Steam MCP

A read-only Model Context Protocol server for the public Steam Web API and storefront. It provides 41 tools, 5 prompts, and 2 resources that let any MCP client answer questions about Steam, including friends, games, playtime, achievements, store data, reviews, sales, discovery, recommendations, and co-op planning. It uses official Steam APIs, requires a bring-your-own-key, and is open source.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Steam MCP logo, by Sarg338Community listingLocal stdioSource reviewed; not executedPublished by Sarg338
You need:Install uvA free Steam Web API key (a minute to get) unlocks the other 22
Vendor documentation

What you can do with it

  • Check friends list and playtime
  • Find games on sale under a price
  • Get game recommendations
  • Check Steam Deck compatibility

Source and maintenance

Community listingRegistry 1.19.0
mcp-registry: io.github.Sarg338/steam-mcp@1.19.0Source repository
Maintenance checked

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

steam-mcp 1.19.0

pypiuvx
steam-mcp package definition
{
  "version": "1.19.0",
  "transport": "stdio",
  "identifier": "steam-mcp",
  "runtimeHint": "uvx",
  "registryType": "pypi",
  "registryBaseUrl": "https://pypi.org",
  "environmentVariables": [
    {
      "name": "STEAM_API_KEY",
      "description": "Steam Web API key (optional, free at https://steamcommunity.com/dev/apikey). 19 tools work without it — store, games, reviews, prices, deals, player counts, achievement rarity. A key adds the account tools: library, playtime, friends, achievements, wishlist, inventory."
    },
    {
      "name": "STEAM_USER",
      "description": "Optional. Your own Steam vanity name, SteamID64, or profile URL, so the account tools default to you when you omit a steamid. Public profile name, not a secret."
    },
    {
      "name": "STEAM_MCP_TOOLS",
      "description": "Optional. Which tools to load: 'all' (default, 41 tools), 'essentials' (15 tools, a much smaller context footprint), or 'essentials,get_inventory' to add tools by name."
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "steam-mcp-mcp": {
      "command": "uvx",
      "args": [
        "steam-mcp==1.19.0"
      ],
      "env": {
        "STEAM_API_KEY": "<YOUR_STEAM_API_KEY>",
        "STEAM_USER": "<YOUR_STEAM_USER>",
        "STEAM_MCP_TOOLS": "<YOUR_STEAM_MCP_TOOLS>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "steam-mcp-mcp": {
      "command": "uvx",
      "args": [
        "steam-mcp==1.19.0"
      ],
      "env": {
        "STEAM_API_KEY": "<YOUR_STEAM_API_KEY>",
        "STEAM_USER": "<YOUR_STEAM_USER>",
        "STEAM_MCP_TOOLS": "<YOUR_STEAM_MCP_TOOLS>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.
VS Code configuration
{
  "servers": {
    "steam-mcp-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "steam-mcp==1.19.0"
      ],
      "env": {
        "STEAM_API_KEY": "<YOUR_STEAM_API_KEY>",
        "STEAM_USER": "<YOUR_STEAM_USER>",
        "STEAM_MCP_TOOLS": "<YOUR_STEAM_MCP_TOOLS>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.
Claude Desktop configuration
{
  "mcpServers": {
    "steam-mcp-mcp": {
      "command": "uvx",
      "args": [
        "steam-mcp==1.19.0"
      ],
      "env": {
        "STEAM_API_KEY": "<YOUR_STEAM_API_KEY>",
        "STEAM_USER": "<YOUR_STEAM_USER>",
        "STEAM_MCP_TOOLS": "<YOUR_STEAM_MCP_TOOLS>"
      }
    }
  }
}

Let your agent find its tools

Find servers like Steam MCP from your agent. Add Koskamo once to search the index for endpoints, access requirements, and client setup. Public discovery needs no key.

Connect Koskamo Explore workflows
See all 3,760