steamwebapi MCP Server

by sellrock-de Your server? Claim it

answering

steamwebapi is answering right now. Last checked 10 min ago. It exposes 11 tools.

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

Uptime history 91 days of history · worst day 92%

91 days agonow

100.0%

Uptime 24h

91 of 91 checks

Tools

read from the server

157 ms

Response time

average over 24h

open, no key

Access

streamable-http

What changed 1

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 12 September 2026. No other catalogue keeps this.

12 Sep a tool appeared get_integration_skill

Nothing serious here today

Today is the operative word: we check steamwebapi every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 10 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

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

Settings → Connectors → Add custom connector, then paste this address

https://mcp.steamwebapi.com/mcp

~/.codex/config.toml

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

.cursor/mcp.json

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

.vscode/mcp.json

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

Available tools 11

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

endpoints

list_endpoints

Lists all steamwebapi.com endpoints (path + method + summary), optionally filtered by tag. Useful for quickly enumerating what is available.

search_endpoints

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.

call

call_readonly_endpoint

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.

concept

get_concept

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.

concepts

list_concepts

Lists every curated concept exposed by get_concept, optionally filtered by category. Use to discover what domain explanations are available.

endpoint

get_endpoint

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.

games

list_games

Lists every game supported by steamwebapi.com with its slug, name, Steam appId, and the value to pass as `game=` in API queries.

integration

get_integration_skill

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.

markets

list_markets

Lists every third-party marketplace covered by the steamwebapi.com market price endpoints, with their domain and the games they cover.

pricing

get_pricing

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.

products

list_products

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.

Endpoints

URL	Transport	State	Latency	Checked
https://mcp.steamwebapi.com/mcp	streamable-http	answering	144 ms	10 min ago

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steamwebapi — questions

Answers built from our own checks of this server.

What can steamwebapi do?

It exposes 11 tools, read directly from the server on our last check. Among them: call_readonly_endpoint, get_concept, get_endpoint, get_integration_skill, get_pricing, list_concepts and 5 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is steamwebapi working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 157 ms. The bar chart above shows every period we have measured.

How do I connect steamwebapi?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does steamwebapi need an API key?

No. steamwebapi completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 11 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is steamwebapi?

It answers our handshake in 157 ms on average, which is faster than 83% of all working MCP servers we measure. That puts it in the quick quarter of the ecosystem. The comparison comes from our own checks across the whole registry, every 15 minutes.