AI agents call get_index_rt_k to retrieve information from Tushare MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves real-time index indicators for Chinese stock exchanges (Shanghai, Shenzhen, Beijing). It is a pure data query operation with no side effects, no code execution, no financial transactions, and no destructive actions. It fits the Read category as a retrieval/query tool.
From the tool's definition Tool name 'get_index_rt_k' and description '获取沪深京实时日线指标接口（指数专用）' (Get Shanghai-Shenzhen-Beijing real-time daily line index interface, index-only) indicates retrieval of real-time index data. No modification, deletion, or execution of external operations.
Documented attack patterns abuse exactly the kind of access get_index_rt_k gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Tushare MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for get_index_rt_k:
{
"version": "1",
"default": "deny",
"tools": {
"get_index_rt_k": {}
}
}get_index_rt_k is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
Free to start. No card required.
获取沪深京实时日线指标接口（指数专用）. It is categorised as a Read tool in the Tushare MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Tushare MCP Server MCP server in PolicyLayer and add a rule for get_index_rt_k: 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 Tushare MCP Server. Nothing to install.
get_index_rt_k 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_index_rt_k 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_index_rt_k. 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_index_rt_k is provided by the Tushare MCP Server MCP server (zhewenzhang/tushare_mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 66 Tushare MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
66 Tushare MCP Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.