AI agents call stock_hot_tweet_xq 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 queries and retrieves social discussion rankings and popularity metrics from the Xueqiu platform regarding Chinese stocks. It performs a read-only operation that retrieves existing data without creating, modifying, deleting, or executing any operations. The blast radius of misuse is minimal—an agent could only retrieve publicly available discussion rankings, which poses no security or financial risk.
From the tool's definition Tool fetches '讨论排行榜' (discussion rankings) from Xueqiu, a social platform for stock discussion. The verb 'Get' and the context of retrieving rankings/leaderboard data indicates data retrieval with no modification or execution.
Documented attack patterns abuse exactly the kind of access stock_hot_tweet_xq 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_hot_tweet_xq:
{
"version": "1",
"default": "deny",
"tools": {
"stock_hot_tweet_xq": {}
}
}stock_hot_tweet_xq is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get 雪球-沪深股市-热度排行榜-讨论排行榜. 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_hot_tweet_xq: 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_hot_tweet_xq 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_hot_tweet_xq 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_hot_tweet_xq. 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_hot_tweet_xq 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.