AI agents call get_etf_daily 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.
Despite the empty description, the tool name and server purpose strongly suggest this retrieves historical or current daily ETF pricing/performance data from Tushare. This is a read operation with no side effects, consistent with a financial data query API. No data creation, modification, deletion, or fund movement is implied.
From the tool's definition Tool name 'get_etf_daily' indicates retrieval of daily ETF data. Server context describes 'query and search for stock information using the Tushare API.' Sibling tools like 'collect_stock_data', 'get_block_trade', and 'get_concept_moneyflow_dc' all follow…
Documented attack patterns abuse exactly the kind of access get_etf_daily 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_etf_daily:
{
"version": "1",
"default": "deny",
"tools": {
"get_etf_daily": {}
}
}get_etf_daily is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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get_etf_daily. 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_etf_daily: 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_etf_daily 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_etf_daily 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_etf_daily. 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_etf_daily 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.
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66 Tushare MCP Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.