Get 北京证券交易所-信息披露-监管信息-董监高及相关人员持股变动
AI agents call stock_share_hold_change_bse 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.
The tool accesses regulatory information disclosure data from a stock exchange—specifically shareholding change records that are already publicly available disclosures. No modification, deletion, code execution, or financial transactions are performed. This is purely informational retrieval analogous to a search or fetch operation. Severity is low because misuse would only expose already-public market information.
From the tool's definition Tool name 'stock_share_hold_change_bse' and description indicate retrieval of publicly disclosed information about shareholding changes (董监高及相关人员持股变动 = changes in holdings by directors, supervisors, and related personnel) from Beijing Stock Exchange…
Documented attack patterns abuse exactly the kind of access stock_share_hold_change_bse 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_share_hold_change_bse:
{
"version": "1",
"default": "deny",
"tools": {
"stock_share_hold_change_bse": {}
}
}stock_share_hold_change_bse is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get 北京证券交易所-信息披露-监管信息-董监高及相关人员持股变动. It is categorised as a Read tool in the China Stock MCP Server MCP Server, which means it retrieves data without modifying state.
Register the China Stock MCP Server MCP server in PolicyLayer and add a rule for stock_share_hold_change_bse: 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_share_hold_change_bse 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_share_hold_change_bse 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_share_hold_change_bse. 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_share_hold_change_bse 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.
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351 China Stock MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.