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TMHSDigital

Steam MCP Server

by TMHSDigital
OverviewSchemaRelated ServersScoreDiscussions
TypeScript
Remote

Query Steam store data, player statistics, achievements, reviews, pricing, workshop items, leaderboards, inventory, and player profiles - all as structured MCP tools callable from Cursor's AI agent.

No API key required for most features. Store lookups, player counts, global achievement stats, news, reviews, and app searches all work out of the box.

Getting Started

Prerequisites

  • Node.js 20 or later

  • npm

Install

git clone https://github.com/TMHSDigital/Steam-MCP.git
cd Steam-MCP
npm install
npm run build

Steam API Key

Some tools require a Steam Web API key. Get one free at steamcommunity.com/dev/apikey.

Set it as an environment variable:

# Bash / macOS / Linux
export STEAM_API_KEY="your_key_here"

# PowerShell
$env:STEAM_API_KEY = "your_key_here"

Or in a .env file:

STEAM_API_KEY=your_key_here

Tools that don't need a key work out of the box with zero configuration.

Usage with Cursor

Add the Steam MCP server to your Cursor MCP settings (.cursor/mcp.json in your project or global settings):

Via npx (recommended):

{
  "mcpServers": {
    "steam": {
      "command": "npx",
      "args": ["-y", "@tmhs/steam-mcp"],
      "env": {
        "STEAM_API_KEY": "your_key_here"
      }
    }
  }
}

Via local clone:

{
  "mcpServers": {
    "steam": {
      "command": "node",
      "args": ["/absolute/path/to/Steam-MCP/dist/index.js"],
      "env": {
        "STEAM_API_KEY": "your_key_here"
      }
    }
  }
}

Once configured, the tools are available to Cursor's AI agent. Pair with the Steam Developer Tools plugin for the full skill set.

Available Tools (v0.7.0) - 25 Total

These work without an API key:

Tool

Description

steam_getAppDetails

Store data: price, description, reviews, tags, platforms, system requirements

steam_searchApps

Search for games/apps by name or keyword

steam_getPlayerCount

Current concurrent player count

steam_getAchievementStats

Global achievement unlock percentages

steam_getWorkshopItem

Workshop item details (title, description, tags, subscribers)

steam_getReviews

Fetch user reviews with filters for language, sentiment, purchase type

steam_getPriceOverview

Batch price check for multiple apps in a specific region

steam_getAppReviewSummary

Review score, total counts, and positive percentage (no individual reviews)

steam_getRegionalPricing

Pricing breakdown across multiple countries/regions

steam_getNewsForApp

Recent news articles with title, URL, contents, date, and author

These require STEAM_API_KEY to be set:

Tool

Description

steam_getPlayerSummary

Player profile: name, avatar, online status

steam_getOwnedGames

Game library with playtime data

steam_queryWorkshop

Search/browse Workshop items with filters

steam_getLeaderboardEntries

Leaderboard scores and rankings (pass numeric ID from Steamworks dashboard)

steam_resolveVanityURL

Convert vanity URL to 64-bit Steam ID

steam_getSchemaForGame

Achievement/stat schema with display names, descriptions, and icon URLs

steam_getPlayerAchievements

Per-player achievement unlock status and timestamps

steam_getLeaderboardsForGame

List all leaderboards with numeric IDs, names, and sort methods

These require a publisher API key with server IP allowlisted in Steamworks partner settings. SDK-only tools return code examples instead of making HTTP calls.

Tool

Type

Description

steam_createLobby

SDK guide

Returns C++/C#/GDScript code for ISteamMatchmaking lobby creation

steam_uploadWorkshopItem

SDK guide

Returns code for ISteamUGC Workshop upload workflow

steam_updateWorkshopItem

HTTP POST

Update Workshop item metadata via IPublishedFileService partner API

steam_setAchievement

HTTP POST

Set/unlock achievements via ISteamUserStats partner API (dev/test)

steam_clearAchievement

HTTP POST

Clear/re-lock achievements via ISteamUserStats partner API (dev/test)

steam_uploadLeaderboardScore

HTTP POST

Upload scores via ISteamLeaderboards partner API

steam_grantInventoryItem

HTTP POST

Grant inventory items via IInventoryService partner API

Endpoint

Auth

store.steampowered.com/api/appdetails

None

store.steampowered.com/api/storesearch

None

ISteamUserStats/GetNumberOfCurrentPlayers/v1

None

ISteamUserStats/GetGlobalAchievementPercentagesForApp/v2

None

ISteamNews/GetNewsForApp/v2

None

ISteamRemoteStorage/GetPublishedFileDetails/v1

None

store.steampowered.com/appreviews/{appid}

None

ISteamUser/GetPlayerSummaries/v2

API key

IPlayerService/GetOwnedGames/v1

API key

ISteamUser/ResolveVanityURL/v1

API key

IPublishedFileService/QueryFiles/v1

API key

ISteamUserStats/GetSchemaForGame/v2

API key

ISteamUserStats/GetPlayerAchievements/v1

API key

ISteamLeaderboards/GetLeaderboardEntries/v1

Publisher key

ISteamLeaderboards/GetLeaderboardsForGame/v2

API key

IPublishedFileService/UpdateDetails/v1 (POST)

Publisher key

ISteamUserStats/SetUserStatsForGame/v1 (POST)

Publisher key

ISteamLeaderboards/SetLeaderboardScore/v1 (POST)

Publisher key

IInventoryService/AddItem/v1 (POST)

Publisher key

npm run dev         # Watch mode with auto-reload
npm run build       # Compile TypeScript to dist/
npm start           # Run the compiled server
npm test            # Run all tests (vitest)
npm run test:watch  # Test watch mode

See CONTRIBUTING.md for how to add new tools and submit PRs.

Related

License

CC BY-NC-ND 4.0 - see LICENSE for details.

Install Server
A
license - permissive license
A
quality
B
maintenance

How are these scores calculated?

Maintenance

–Maintainers
–Response time
0dRelease cycle
6Releases (12mo)

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