AI agents call get_sector_fund_flow to retrieve information from Cn Financial without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The 'get_' prefix and parallel structure with other data-retrieval tools on the same financial data server indicate this tool retrieves information without modification. No side effects, no state changes, no irreversible actions. Although the description is empty (lowering confidence slightly), the pattern and context are sufficient to classify this as a Read operation with low severity.
From the tool's definition Tool name 'get_sector_fund_flow' uses the 'get' verb, indicating data retrieval. The tool description is empty, but contextual evidence from sibling tools (all retrieval operations like get_analyst_rating, get_balance_sheet, get_bond_yield_curve,…
Documented attack patterns abuse exactly the kind of access get_sector_fund_flow gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Cn Financial, and nothing reaches the server without passing your rules. This is the rule we recommend for get_sector_fund_flow:
{
"version": "1",
"default": "deny",
"tools": {
"get_sector_fund_flow": {}
}
}get_sector_fund_flow is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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get_sector_fund_flow. It is categorised as a Read tool in the Cn Financial MCP Server, which means it retrieves data without modifying state.
Register the Cn Financial MCP server in PolicyLayer and add a rule for get_sector_fund_flow: 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 Cn Financial. Nothing to install.
get_sector_fund_flow 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_sector_fund_flow 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_sector_fund_flow. 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_sector_fund_flow is provided by the Cn Financial MCP server (ccq1/cn-financial-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Cn Financial, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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42 Cn Financial tools catalogued and risk-classified — across an index of 43,000+ MCP servers.