このMCPでできること
Documents and executes read-only Steam and third-party game-market API endpoints, including product, inventory, pricing, and market data.
機能
ツール
11
ツール
call_readonly_endpoint
Call read-only steamwebapi 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.
読み取り専用
外部アクセスあり
入力スキーマ
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['path'], 'properties': {'path': {'type': 'string', 'minLength': 1, 'description': 'Documented OpenAPI GET path, e.g. "/steam/api/item" or "/market/{market}/prices".'}, 'timeoutMs': {'type': 'integer', 'default': 10000, 'maximum': 20000, 'minimum': 500, 'description': 'HTTP timeout in milliseconds. Defaults to 10000.'}, 'parameters': {'type': 'object', 'description': 'Query and path parameters for the endpoint. Do not include `key`; pass your API key via the MCP Authorization or X-Api-Key header.', 'additionalProperties': {'anyOf': [{'type': ['string', 'number', 'boolean']}, {'type': 'array', 'items': {'$ref': '#/properties/parameters/additionalProperties/anyOf/0'}}]}}, 'maxResponseBytes': {'type': 'integer', 'default': 80000, 'maximum': 200000, 'minimum': 1000, 'description': 'Maximum response characters returned to the agent. Larger responses are truncated.'}}, 'additionalProperties': False}
get_concept
Explain Steam / steamwebapi 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.
入力スキーマ
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['term'], 'properties': {'term': {'type': 'string', 'minLength': 1, 'description': 'Concept name or alias, e.g. "assetid", "doppler phase", "market_hash_name", "pricelatest".'}}, 'additionalProperties': False}
get_endpoint
Get full endpoint specification
Returns the full OpenAPI operation object for a given path: parameters, request body, all response schemas, examples, and tags. Use after search_endpoints to drill into a specific endpoint.
入力スキーマ
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['path'], 'properties': {'path': {'type': 'string', 'minLength': 1, 'description': 'Full OpenAPI path, e.g. "/steam/api/items" or "/account/me".'}, 'method': {'enum': ['get', 'post', 'put', 'patch', 'delete'], 'type': 'string', 'description': 'HTTP method. Defaults to "get".'}}, 'additionalProperties': False}
get_integration_skill
Read the SteamWebAPI 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.
読み取り専用
冪等
入力スキーマ
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {}}
get_pricing
Get steamwebapi pricing and quota guidance
Returns public steamwebapi pricing plans, per-endpoint rate limits, API-key location, quota guidance and a recommended plan for the requested use case. Does not perform checkout or account actions.
読み取り専用
入力スキーマ
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {'useCase': {'type': 'string', 'description': 'Optional use case such as "inventory", "profile", "float", "history", "items", "market prices" or "balanced production app".'}, 'includePlanCatalog': {'type': 'boolean', 'default': True, 'description': 'Include the full public plan catalog with prices and rate limits. Defaults to true.'}, 'expectedRequestsPerDay': {'type': 'integer', 'description': 'Optional expected daily request count for plan recommendation.', 'exclusiveMinimum': 0}}, 'additionalProperties': False}
list_concepts
List Steam / steamwebapi concepts
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', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {'category': {'enum': ['identifiers', 'cs2', 'market', 'inventory', 'pricing', 'auth'], 'type': 'string', 'description': 'Filter the list by concept category.'}}, 'additionalProperties': False}
list_endpoints
List endpoints
Lists all steamwebapi.com endpoints (path + method + summary), optionally filtered by tag. Useful for quickly enumerating what is available.
入力スキーマ
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {'tag': {'type': 'string', 'description': 'Restrict to one tag. Omit to list every endpoint grouped by tag.'}}, 'additionalProperties': False}
list_games
List supported 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', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {}}
list_markets
List third-party markets
Lists every third-party marketplace covered by the steamwebapi.com market price endpoints, with their domain and the games they cover.
入力スキーマ
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {'game': {'type': 'string', 'description': 'Restrict to markets that cover a specific game slug, e.g. "cs2".'}}, 'additionalProperties': False}
list_products
List product packages
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', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {}}
search_endpoints
Search endpoints and concepts
Fuzzy text search across all steamwebapi.com OpenAPI endpoints and Steam domain concepts (assetid, doppler phase, market_hash_name, etc.). Returns ranked hits with path, method, tag and summary.
入力スキーマ
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['query'], 'properties': {'tag': {'type': 'string', 'description': 'Restrict to one OpenAPI tag (Items, Inventory, Profile, Float, Market Prices, Market Index, Account, Info, Explore, Proxy).'}, 'kind': {'enum': ['endpoint', 'concept'], 'type': 'string', 'description': 'Restrict to endpoints or concepts.'}, 'limit': {'type': 'integer', 'default': 10, 'maximum': 50, 'minimum': 1, 'description': 'Maximum number of hits returned.'}, 'query': {'type': 'string', 'minLength': 1, 'description': 'Free-text query, e.g. "inventory cs2" or "float screenshot".'}}, 'additionalProperties': False}
履歴
最近のツール変更
追加
call_readonly_endpoint
2026年9月17日12:52
追加
get_pricing
2026年9月17日12:52
追加
list_concepts
2026年9月17日12:52
追加
get_concept
2026年9月17日12:52
追加
list_products
2026年9月17日12:52
追加
list_markets
2026年9月17日12:52
追加
list_games
2026年9月17日12:52
追加
list_endpoints
2026年9月17日12:52
追加
get_endpoint
2026年9月17日12:52
追加
search_endpoints
2026年9月17日12:52
追加
get_integration_skill
2026年9月17日12:52
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