AI agents call get_cash_flow to retrieve information from Sfc Data without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves financial statement data (cash flow statement) about companies. It is a GET/retrieve operation that queries existing financial information without creating, modifying, deleting, or executing any operations. The tool serves an informational purpose only, consistent with other Read-category tools on this server like 'get_balance_sheet' and 'get_income_statement'.
From the tool's definition Tool name 'get_cash_flow' and description '获取现金流量表（公司现金流数据）' [retrieve cash flow statement/company cash flow data] indicate data retrieval with no modification or deletion.
Attacks that exploit this kind of access
获取现金流量表（公司现金流数据）. It is categorised as a Read tool in the Sfc Data MCP Server, which means it retrieves data without modifying state.
Register the Sfc Data MCP server in PolicyLayer and add a rule for get_cash_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 Sfc Data. Nothing to install.
get_cash_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_cash_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_cash_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_cash_flow is provided by the Sfc Data MCP server (yangxinagfeng123/sfc-data-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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