AI agents call get_market_summary to retrieve information from A股实时行情MCP服务器 without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves market summary data (stock indices) without creating, modifying, deleting, executing code, or moving money. It is a pure read operation with minimal blast radius if misused by an AI agent—returning publicly available market information poses no security or operational risk.
From the tool's definition Tool description states '获取市场概况（上证、深证指数等）' (get market summary including Shanghai and Shenzhen indices). The verb '获取' (get/retrieve) and context of querying indices indicate data retrieval with no modifications.
Documented attack patterns abuse exactly the kind of access get_market_summary gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and A股实时行情MCP服务器, and nothing reaches the server without passing your rules. This is the rule we recommend for get_market_summary:
{
"version": "1",
"default": "deny",
"tools": {
"get_market_summary": {}
}
}get_market_summary is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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获取市场概况（上证、深证指数等）. It is categorised as a Read tool in the A股实时行情MCP服务器 MCP Server, which means it retrieves data without modifying state.
Register the A股实时行情MCP服务器 MCP server in PolicyLayer and add a rule for get_market_summary: 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 A股实时行情MCP服务器. Nothing to install.
get_market_summary 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 get_market_summary 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 get_market_summary. 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.
get_market_summary is provided by the A股实时行情MCP服务器 MCP server (llldmiao/a-stock-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from A股实时行情MCP服务器, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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5 A股实时行情MCP服务器 tools catalogued and risk-classified — across an index of 43,000+ MCP servers.