查询指定饰品最近若干天的价格历史（均价数据）。
AI agents call get_item_price_history to retrieve information from Steamdt without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries historical pricing information from the Steam marketplace without performing any side effects, modifications, or destructive operations. It is a straightforward data retrieval operation that fits the 'Read' category. The severity is low because misuse would only result in retrieving historical market data, with no ability to modify transactions, execute code, or cause financial harm.
From the tool's definition Tool name 'get_item_price_history' and description indicate querying historical price data ('查询指定饰品最近若干天的价格历史' = 'query specified item's recent days price history'). Returns averaged price data with no modification, creation, or deletion of data.
Documented attack patterns abuse exactly the kind of access get_item_price_history gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Steamdt, and nothing reaches the server without passing your rules. This is the rule we recommend for get_item_price_history:
{
"version": "1",
"default": "deny",
"tools": {
"get_item_price_history": {}
}
}get_item_price_history is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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查询指定饰品最近若干天的价格历史（均价数据）。. It is categorised as a Read tool in the Steamdt MCP Server, which means it retrieves data without modifying state.
Register the Steamdt MCP server in PolicyLayer and add a rule for get_item_price_history: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Steamdt. Nothing to install.
get_item_price_history is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the get_item_price_history rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for get_item_price_history. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
get_item_price_history is provided by the Steamdt MCP server (kir4kami/mcp-steamdt). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Steamdt, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
7 Steamdt tools catalogued and risk-classified — across an index of 43,000+ MCP servers.