AI agents call get_stock_basic_info to retrieve information from Smart Financial without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves static or reference stock information without creating, modifying, deleting, or executing actions. It is a pure data query operation on financial market data, carrying minimal risk even if misused by an AI agent, as it only exposes publicly available market information.
From the tool's definition Tool name 'get_stock_basic_info' and description '获取股票基本信息' (get stock basic information) indicate data retrieval with no modifications.
Documented attack patterns abuse exactly the kind of access get_stock_basic_info gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Smart Financial, and nothing reaches the server without passing your rules. This is the rule we recommend for get_stock_basic_info:
{
"version": "1",
"default": "deny",
"tools": {
"get_stock_basic_info": {}
}
}get_stock_basic_info is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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获取股票基本信息. It is categorised as a Read tool in the Smart Financial MCP Server, which means it retrieves data without modifying state.
Register the Smart Financial MCP server in PolicyLayer and add a rule for get_stock_basic_info: 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 Smart Financial. Nothing to install.
get_stock_basic_info 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_stock_basic_info 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_stock_basic_info. 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_stock_basic_info is provided by the Smart Financial MCP server (yuhai0/smart-financial-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Smart Financial, 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.
12 Smart Financial tools catalogued and risk-classified — across an index of 43,000+ MCP servers.