AI agents call suggest_stock to retrieve information from Xueqiu MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a keyword search to retrieve and suggest stock codes matching user input. It retrieves data without creating, modifying, deleting, or executing any operations. This is a straightforward Read operation with minimal risk—an AI agent cannot cause harm by searching for stock codes.
From the tool's definition Tool name 'suggest_stock' with description '关键词搜索股票代码' (keyword search for stock codes) takes a keyword argument and returns search results. The verb '搜索' (search) indicates a query operation with no side effects.
Documented attack patterns abuse exactly the kind of access suggest_stock gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Xueqiu MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for suggest_stock:
{
"version": "1",
"default": "deny",
"tools": {
"suggest_stock": {}
}
}suggest_stock is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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关键词搜索股票代码 Args: keyword: 关键词. It is categorised as a Read tool in the Xueqiu MCP MCP Server, which means it retrieves data without modifying state.
Register the Xueqiu MCP server in PolicyLayer and add a rule for suggest_stock: 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 Xueqiu MCP. Nothing to install.
suggest_stock 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 suggest_stock 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 suggest_stock. 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.
suggest_stock is provided by the Xueqiu MCP server (liqiongyu/xueqiu_mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Xueqiu MCP, 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.
45 Xueqiu MCP tools catalogued and risk-classified — across an index of 43,000+ MCP servers.