AI agents call search_us_stocks to retrieve information from Stockreport without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool searches or queries US stock information from the financial database. It is a read-only operation that retrieves data with no side effects, modifications, deletions, code execution, or financial transactions. The low severity reflects minimal risk if misused by an AI agent—worst case being excessive queries or information disclosure.
From the tool's definition Tool name 'search_us_stocks' and description '搜索美股股票' (search US stocks) indicates a query/search operation that retrieves stock data without modifying or executing operations.
Documented attack patterns abuse exactly the kind of access search_us_stocks gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Stockreport, and nothing reaches the server without passing your rules. This is the rule we recommend for search_us_stocks:
{
"version": "1",
"default": "deny",
"tools": {
"search_us_stocks": {}
}
}search_us_stocks is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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搜索美股股票. It is categorised as a Read tool in the Stockreport MCP Server, which means it retrieves data without modifying state.
Register the Stockreport MCP server in PolicyLayer and add a rule for search_us_stocks: 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 Stockreport. Nothing to install.
search_us_stocks 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 search_us_stocks 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 search_us_stocks. 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.
search_us_stocks is provided by the Stockreport MCP server (jamesdingai/stockreport-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Stockreport, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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34 Stockreport tools catalogued and risk-classified — across an index of 43,000+ MCP servers.