stock_cg_equity_mortgage_cninfo
AI agents call stock_cg_equity_mortgage_cninfo 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.
Based on the naming pattern ('stock_' prefix, sibling tools that query market statistics like 'stock_a_pb', 'stock_a_high_low_statistics'), this appears to be a read-only data query tool retrieving equity mortgage information from Chinese stock registry. It retrieves data with no apparent write, execute, or destructive capabilities.
From the tool's definition Tool name 'stock_cg_equity_mortgage_cninfo' and context as Chinese stock market data server suggest data retrieval. The 'cninfo' suffix references China Securities Regulatory Commission data. Empty description limits certainty.
Documented attack patterns abuse exactly the kind of access stock_cg_equity_mortgage_cninfo 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_cg_equity_mortgage_cninfo:
{
"version": "1",
"default": "deny",
"tools": {
"stock_cg_equity_mortgage_cninfo": {}
}
}stock_cg_equity_mortgage_cninfo is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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stock_cg_equity_mortgage_cninfo. 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_cg_equity_mortgage_cninfo: 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_cg_equity_mortgage_cninfo 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_cg_equity_mortgage_cninfo 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_cg_equity_mortgage_cninfo. 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_cg_equity_mortgage_cninfo 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.