AI agents call news_trade_notify_suspend_baidu 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.
This tool fetches read-only stock market data (trading suspension and resumption notifications) from an external data source. It has no side effects, does not modify any data, and simply retrieves informational market data.
From the tool's definition 'Get 百度股市通-交易提醒-停复牌' — retrieves trading suspension/resumption notification data from Baidu stock market service
Documented attack patterns abuse exactly the kind of access news_trade_notify_suspend_baidu 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 news_trade_notify_suspend_baidu:
{
"version": "1",
"default": "deny",
"tools": {
"news_trade_notify_suspend_baidu": {}
}
}news_trade_notify_suspend_baidu is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get 百度股市通-交易提醒-停复牌. 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 news_trade_notify_suspend_baidu: 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.
news_trade_notify_suspend_baidu 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 news_trade_notify_suspend_baidu 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 news_trade_notify_suspend_baidu. 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.
news_trade_notify_suspend_baidu 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.