AI agents call get_stock_limit_prices 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.
The tool retrieves stock limit price data (likely daily price limits for Chinese stocks). It follows the 'get_' prefix pattern consistent with read-only query tools on this server. No indication of write, execute, destructive, or financial transaction capabilities. Low severity because it only reads historical/static market data without ability to execute trades, modify data, or commit financial obligations.
From the tool's definition Tool name 'get_stock_limit_prices' indicates data retrieval (get_*). Empty description prevents stronger assessment, but naming pattern matches sibling tools (get_daily_stock_price, get_realtime_stock_price, get_income_statement, etc.) which are all read-only…
Documented attack patterns abuse exactly the kind of access get_stock_limit_prices 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_limit_prices:
{
"version": "1",
"default": "deny",
"tools": {
"get_stock_limit_prices": {}
}
}get_stock_limit_prices is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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get_stock_limit_prices. 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_limit_prices: 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_limit_prices 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_limit_prices 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_limit_prices. 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_limit_prices 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.
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12 Smart Financial tools catalogued and risk-classified — across an index of 43,000+ MCP servers.