AI agents call stock_lh_yyb_most to retrieve information from China Stock MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Given the server's purpose as a data provider for Chinese stock market information and the consistent Read-only pattern of sibling tools, this tool most likely retrieves or queries stock data with no side effects. The empty description lowers confidence slightly, but the context strongly suggests a data retrieval operation typical of financial analytics APIs.
From the tool's definition Tool name 'stock_lh_yyb_most' and server context indicate retrieval of Chinese stock market data. The description is empty, but sibling tools (stock_a_all_pb, stock_a_below_net_asset_statistics, stock_a_high_low_statistics, stock_a_indicator_lg) consistently…
Documented attack patterns abuse exactly the kind of access stock_lh_yyb_most gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and China Stock MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for stock_lh_yyb_most:
{
"version": "1",
"default": "deny",
"tools": {
"stock_lh_yyb_most": {}
}
}stock_lh_yyb_most is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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stock_lh_yyb_most. It is categorised as a Read tool in the China Stock MCP Server MCP Server, which means it retrieves data without modifying state.
Register the China Stock MCP Server MCP server in PolicyLayer and add a rule for stock_lh_yyb_most: 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 China Stock MCP Server. Nothing to install.
stock_lh_yyb_most 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 stock_lh_yyb_most 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 stock_lh_yyb_most. 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.
stock_lh_yyb_most is provided by the China Stock MCP Server MCP server (peikuo/china-stock-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from China Stock MCP Server, 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.
351 China Stock MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.