Low Risk

stock_hold_control_cninfo

Get 巨潮资讯-数据中心-专题统计-股东股本-实际控制人持股变动

How to control stock_hold_control_cninfo ↓

What stock_hold_control_cninfo does on China Stock MCP Server

AI agents call stock_hold_control_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.

Low Risk

Why stock_hold_control_cninfo needs a policy

This tool fetches historical shareholding and control change statistics from Chinese stock market data sources. It retrieves read-only information about actual controllers' shareholding positions over time. There are no side effects, no data modification, no code execution, and no financial transactions. The blast radius of misuse is minimal — an AI agent could only retrieve publicly available market data.

From the tool's definition Tool name 'stock_hold_control_cninfo' and description indicate retrieval of shareholder and actual controller shareholding change data from the CNINFO database (巨潮资讯).

Documented attack patterns abuse exactly the kind of access stock_hold_control_cninfo gives an agent:

How to control stock_hold_control_cninfo

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_hold_control_cninfo:

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "stock_hold_control_cninfo": {}
  }
}

stock_hold_control_cninfo is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

  1. Create a free account and register China Stock MCP Server — nothing to install.
  2. Add this policy — paste it, or build it visually.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
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Related tools and policies

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Questions about stock_hold_control_cninfo

What does the stock_hold_control_cninfo tool do? +

Get 巨潮资讯-数据中心-专题统计-股东股本-实际控制人持股变动. It is categorised as a Read tool in the China Stock MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on stock_hold_control_cninfo? +

Register the China Stock MCP Server MCP server in PolicyLayer and add a rule for stock_hold_control_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.

What risk level is stock_hold_control_cninfo? +

stock_hold_control_cninfo is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit stock_hold_control_cninfo? +

Yes. Add a rate_limit block to the stock_hold_control_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.

How do I block stock_hold_control_cninfo completely? +

Set action: deny in the PolicyLayer policy for stock_hold_control_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.

What MCP server provides stock_hold_control_cninfo? +

stock_hold_control_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.

Enforce policy on every China Stock MCP Server tool call.

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.

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