MCP server

steamwebapi

io.github.sellrock-de/steamwebapi

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Live Steam Market API docs, schemas, products, games, markets and endpoint search.

Website

At a glance

Type

MCP server

Publisher

Not verified

Status

Working at last check

Tools

11

Token cost

About 1,817 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http steamwebapi https://mcp.steamwebapi.com/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.steamwebapi]
url = "https://mcp.steamwebapi.com/mcp"

Gemini CLI

{"mcpServers":{"steamwebapi":{"httpUrl":"https://mcp.steamwebapi.com/mcp"}}}

Cursor

{"mcpServers":{"steamwebapi":{"url":"https://mcp.steamwebapi.com/mcp"}}}

VS Code

{"servers":{"steamwebapi":{"type":"http","url":"https://mcp.steamwebapi.com/mcp"}}}

Antigravity

agy mcp add steamwebapi https://mcp.steamwebapi.com/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"steamwebapi","server_url":"https://mcp.steamwebapi.com/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"steamwebapi","server_url":"https://mcp.steamwebapi.com/mcp"}

Tools

• call_readonly_endpoint ~345 tokens
  Executes a documented steamwebapi GET endpoint with the caller API key from the MCP Authorization or X-Api-Key header. Refuses POST/PUT/PATCH/DELETE plus Proxy, Steam Guard and Tradeoffer endpoints.
• get_concept ~152 tokens
  Returns a detailed explanation for a Steam / steamwebapi concept (identifiers, CS2 mechanics, pricing fields, inventory flags). Built from curated domain knowledge specific to this platform.
• get_endpoint ~178 tokens
  Returns the full OpenAPI operation object for a given path: parameters, request body, all response schemas, examples, and tags. Use after search_endpoints to drill into a specific endpoint.
• get_integration_skill ~104 tokens
  Read the reusable SteamWebAPI SKILL.md for integration workflows, credentials, prices, item variants and CS2 release discovery. Useful when the client does not expose MCP resources or initialization instructions.
• get_pricing ~242 tokens
  Returns public steamwebapi pricing plans, per-endpoint rate limits, API-key location, quota guidance and a recommended plan for the requested use case. Does not perform checkout or account actions.
• list_concepts ~132 tokens
  Lists every curated concept exposed by get_concept, optionally filtered by category. Use to discover what domain explanations are available.
• list_endpoints ~119 tokens
  Lists all steamwebapi.com endpoints (path + method + summary), optionally filtered by tag. Useful for quickly enumerating what is available.
• list_games ~77 tokens
  Lists every game supported by steamwebapi.com with its slug, name, Steam appId, and the value to pass as `game=` in API queries.
• list_markets ~118 tokens
  Lists every third-party marketplace covered by the steamwebapi.com market price endpoints, with their domain and the games they cover.
• list_products ~94 tokens
  Lists steamwebapi.com product packages (Price API, Inventory API, Float API, ...) with the endpoints each one bundles. Use get_pricing for paid plans, request quotas and upgrade guidance.
• search_endpoints ~256 tokens
  Fuzzy text search across all steamwebapi.com OpenAPI endpoints and Steam domain concepts (assetid, doppler phase, market_hash_name, etc.). Returns ranked hits with path, method, tag and summary.

Browse

• GitHub tools
• OpenAPI tools
• GitHub and code hosting
• APIs and testing

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