Steam Mcp

Steam MCP Server

MCP Server for the Steam Web API — access player profiles, game libraries, achievements, news, friend lists, and store search through Claude.

Overview

This Model Context Protocol (MCP) server connects Claude to the Steam Web API, providing 20 tools across 6 modules:

• Player — profiles, levels, vanity URL resolution, bans, badges
• Library — owned games, recently played, wishlist
• Game Info — store details, news, live player counts, reviews
• Achievements — player progress, global unlock percentages, game schema, per-game stats
• Social — friends list, group memberships
• Discovery — Steam store search, featured games & sales

Requirements

• Node.js 20+
• Steam Web API Key — get one at steamcommunity.com/dev/apikey

Installation

Just ask Claude to install this MCP server using the repo URL:

Install the MCP server from https://github.com/matheusslg/steam-mcp

Claude will handle cloning, building, and configuring it for you.

Quick Start (Manual)

# Clone
git clone https://github.com/matheusslg/steam-mcp.git
cd steam-mcp

# Install & build
npm install
npm run build

# Add to Claude Code
claude mcp add steam -e STEAM_API_KEY=your_key_here -- node /absolute/path/to/steam-mcp/dist/index.js

Or add it manually to your MCP config:

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

Configuration

| Variable | Required | Description | |----------|----------|-------------| | STEAM_API_KEY | Yes | Your Steam Web API key | | STEAM_ID | No | Default 64-bit Steam ID (used when steam_id parameter is omitted) |

Available Tools

Player

| Tool | Description | |------|-------------| | get_player_summary | Profile info — display name, avatar, online status, current game, account age | | get_steam_level | Account level for a player | | resolve_vanity_url | Convert a custom profile URL to a 64-bit Steam ID | | get_player_bans | Check VAC ban, game ban, community ban, and trade ban status | | get_badges | Badge collection with XP breakdown, player level, and XP to next level |

Library

| Tool | Description | |------|-------------| | get_owned_games | Full game library with playtime — sortable by playtime, name, or recent | | get_recently_played_games | Games played in the last two weeks with playtime breakdown | | get_wishlist | A player's Steam wishlist (depends on privacy settings) |

Game Info

| Tool | Description | |------|-------------| | get_game_details | Store page data — price, genres, Metacritic, platforms, release date | | get_game_news | Recent news articles for a game | | get_player_count | Current number of online players for a game | | get_game_reviews | Reviews with sentiment summary (score, positive/negative) and review text |

Achievements

| Tool | Description | |------|-------------| | get_player_achievements | A player's achievement progress for a specific game | | get_global_achievement_percentages | Global unlock rates — how rare each achievement is | | get_game_schema | Full list of stats and achievements with display names, descriptions, icons | | get_user_stats_for_game | A player's per-game stats (kills, wins, etc.) — varies per game |

Social

| Tool | Description | |------|-------------| | get_friends_list | A player's friends list with friendship dates | | get_user_groups | Steam group IDs a player belongs to |

Discovery

| Tool | Description | |------|-------------| | search_apps | Search the Steam store by name — returns App IDs, prices, and Metascores | | get_featured_games | Featured store categories: sales, top sellers, new releases, coming soon |

Usage Examples

Just ask Claude naturally — it will combine tools as needed.

Game Library Analysis

"How much is my Steam library worth?"
"Show me my shame list — games I own but have 0 hours played"
"What am I actually playing? Show me my last two weeks"

Achievement Hunting

"What are my rarest achievements? Find ones less than 5% of players have"
"Which games am I closest to 100% completion on?"
"Give me an achievement difficulty report for Elden Ring"

Social / Friends

"What are my friends playing right now?"
"Compare my game library with my friend's — what do we both own?"
"Rank my friends by Steam level"
"Who's the OG? Rank my friends by account creation date"

Game Intel

"Is Battlefield 2042 alive? Check the player count"
"Get me a news digest for the games I've played recently"
"Look up Celeste on Steam — price, reviews, the works"

Bans & Trust

"Is this player legit? Check their VAC ban history"
"How many bans does player X have?"

Wishlist & Reviews

"What's on my Steam wishlist?"
"Show me the reviews for Elden Ring — what are people saying?"
"What's the review score for Cyberpunk 2077?"

Store & Sales

"What's on sale on Steam right now?"
"Show me the top sellers and new releases on Steam"

Game Stats

"Show me my Counter-Strike stats — kills, deaths, wins"
"What are all the possible achievements for Hades?"

Fun Stats

"Roast my Steam profile — age, level, games owned vs played, hours wasted"
"What games define my friend group? Most commonly owned games across all my friends"
"Give me my Counter-Strike addiction report"

Project Structure

steam-mcp/
├── src/
│   ├── index.ts              # Server entry point
│   ├── config.ts             # Environment config & Steam ID resolution
│   ├── types.ts              # Steam API response interfaces
│   ├── api/
│   │   ├── client.ts         # HTTP client with retry logic
│   │   └── endpoints.ts      # Steam API endpoint constants
│   └── tools/
│       ├── player.ts         # get_player_summary, get_steam_level, resolve_vanity_url, get_player_bans, get_badges
│       ├── library.ts        # get_owned_games, get_recently_played_games, get_wishlist
│       ├── game-info.ts      # get_game_details, get_game_news, get_player_count, get_game_reviews
│       ├── achievements.ts   # get_player_achievements, get_global_achievement_percentages, get_game_schema, get_user_stats_for_game
│       ├── social.ts         # get_friends_list, get_user_groups
│       └── discovery.ts      # search_apps, get_featured_games
├── package.json
├── tsconfig.json
├── LICENSE
└── README.md

Development

npm run build       # Compile TypeScript
npm run dev         # Watch mode
npm run start       # Run the server
npm run clean       # Remove dist/

License

MIT

Source & license

This open-source MCP server is cataloged on AgentStack and links to its original source — we do not rehost the code.

• Author: matheusslg
• Source: matheusslg/steam-mcp
• License: MIT

Install and usage instructions live in the source repository linked above.