steamwebapi
Live Steam Market API docs, schemas, products, games, markets and endpoint search.
使うべきか
品質と安全性
検出事項（1）
- LOWTool 'get_concept' description lacks action verbget_concept 内
ツール定義とプロトコルへの準拠に関する自動分析に基づいています。
コンテキストコスト
これは、サーバーのツールがモデルのコンテキストに読み込まれるたびに消費されるおおよそのトークン数です。数が多いほど、ほかのタスクに使える注意が減ります。
インストール
ワンクリックインストール
これを `claude_desktop_config.json` ファイルに追加してください:
{
"mcpServers": {
"steamwebapi": {
"url": "https://mcp.steamwebapi.com/mcp"
}
}
}リモートエンドポイント
https://mcp.steamwebapi.com/mcpstreamable-httpできること
ツール一覧
ツール（11）
🟢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.
入力スキーマ
{
"type": "object",
"properties": {},
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢search_endpoints(query, kind, tag, limit)
Fuzzy text search across all steamwebapi.com OpenAPI endpoints and Steam domain concepts (assetid, doppler phase, market_hash_name, etc.). Returns ranked hits with path, method, tag and summary.
入力スキーマ
{
"type": "object",
"properties": {
"query": {
"type": "string",
"minLength": 1,
"description": "Free-text query, e.g. \"inventory cs2\" or \"float screenshot\"."
},
"kind": {
"type": "string",
"enum": [
"endpoint",
"concept"
],
"description": "Restrict to endpoints or concepts."
},
"tag": {
"type": "string",
"description": "Restrict to one OpenAPI tag (Items, Inventory, Profile, Float, Market Prices, Market Index, Account, Info, Explore, Proxy)."
},
"limit": {
"type": "integer",
"minimum": 1,
"maximum": 50,
"default": 10,
"description": "Maximum number of hits returned."
}
},
"required": [
"query"
],
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢get_endpoint(path, method)
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.
入力スキーマ
{
"type": "object",
"properties": {
"path": {
"type": "string",
"minLength": 1,
"description": "Full OpenAPI path, e.g. \"/steam/api/items\" or \"/account/me\"."
},
"method": {
"type": "string",
"enum": [
"get",
"post",
"put",
"patch",
"delete"
],
"description": "HTTP method. Defaults to \"get\"."
}
},
"required": [
"path"
],
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢list_endpoints(tag)
Lists all steamwebapi.com endpoints (path + method + summary), optionally filtered by tag. Useful for quickly enumerating what is available.
入力スキーマ
{
"type": "object",
"properties": {
"tag": {
"type": "string",
"description": "Restrict to one tag. Omit to list every endpoint grouped by tag."
}
},
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢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.
入力スキーマ
{
"type": "object",
"properties": {},
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢list_markets(game)
Lists every third-party marketplace covered by the steamwebapi.com market price endpoints, with their domain and the games they cover.
入力スキーマ
{
"type": "object",
"properties": {
"game": {
"type": "string",
"description": "Restrict to markets that cover a specific game slug, e.g. \"cs2\"."
}
},
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢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.
入力スキーマ
{
"type": "object",
"properties": {},
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢get_concept(term)
Returns a detailed explanation for a Steam / steamwebapi concept (identifiers, CS2 mechanics, pricing fields, inventory flags). Built from curated domain knowledge specific to this platform.
入力スキーマ
{
"type": "object",
"properties": {
"term": {
"type": "string",
"minLength": 1,
"description": "Concept name or alias, e.g. \"assetid\", \"doppler phase\", \"market_hash_name\", \"pricelatest\"."
}
},
"required": [
"term"
],
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢list_concepts(category)
Lists every curated concept exposed by get_concept, optionally filtered by category. Use to discover what domain explanations are available.
入力スキーマ
{
"type": "object",
"properties": {
"category": {
"type": "string",
"enum": [
"identifiers",
"cs2",
"market",
"inventory",
"pricing",
"auth"
],
"description": "Filter the list by concept category."
}
},
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢get_pricing(useCase, expectedRequestsPerDay, includePlanCatalog)
Returns public steamwebapi pricing plans, per-endpoint rate limits, API-key location, quota guidance and a recommended plan for the requested use case. Does not perform checkout or account actions.
入力スキーマ
{
"type": "object",
"properties": {
"useCase": {
"type": "string",
"description": "Optional use case such as \"inventory\", \"profile\", \"float\", \"history\", \"items\", \"market prices\" or \"balanced production app\"."
},
"expectedRequestsPerDay": {
"type": "integer",
"exclusiveMinimum": 0,
"description": "Optional expected daily request count for plan recommendation."
},
"includePlanCatalog": {
"type": "boolean",
"default": true,
"description": "Include the full public plan catalog with prices and rate limits. Defaults to true."
}
},
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢call_readonly_endpoint(path, parameters, timeoutMs, maxResponseBytes)
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.
入力スキーマ
{
"type": "object",
"properties": {
"path": {
"type": "string",
"minLength": 1,
"description": "Documented OpenAPI GET path, e.g. \"/steam/api/item\" or \"/market/{market}/prices\"."
},
"parameters": {
"type": "object",
"additionalProperties": {
"anyOf": [
{
"type": [
"string",
"number",
"boolean"
]
},
{
"type": "array",
"items": {
"$ref": "#/properties/parameters/additionalProperties/anyOf/0"
}
}
]
},
"description": "Query and path parameters for the endpoint. Do not include `key`; pass your API key via the MCP Authorization or X-Api-Key header."
},
"timeoutMs": {
"type": "integer",
"minimum": 500,
"maximum": 20000,
"default": 10000,
"description": "HTTP timeout in milliseconds. Defaults to 10000."
},
"maxResponseBytes": {
"type": "integer",
"minimum": 1000,
"maximum": 200000,
"default": 80000,
"description": "Maximum response characters returned to the agent. Larger responses are truncated."
}
},
"required": [
"path"
],
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}コミュニティ
エビデンス