financial_cash_flow

ServerVNStock Agent MCP Server
CategoryRead

WHAT IT DOES

What financial_cash_flow does on VNStock Agent MCP Server

AI agents call financial_cash_flow to retrieve information from VNStock Agent MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

THE RISK

Low Risk

Why financial_cash_flow needs a policy

This tool only queries and retrieves historical financial data (cash flow statements) from a financial database. It has no side effects, cannot modify data, execute operations, delete records, or move money. It is purely informational for analyzing company financials.

From the tool's definition Tool retrieves cash flow statement data for a company using stock ticker symbol and reporting period. The description uses 'Get', indicating a data retrieval operation with no modification, deletion, or execution capabilities.

Documented attack patterns abuse exactly the kind of access financial_cash_flow gives an agent:

POLICY

How to control financial_cash_flow

PolicyLayer is an MCP gateway — it sits between your AI agents and VNStock Agent MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for financial_cash_flow:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "financial_cash_flow": {}
  }
}

financial_cash_flow is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register VNStock Agent MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

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FAQ

Questions about financial_cash_flow

What does the financial_cash_flow tool do? +

Get cash flow statement for a company. Args: symbol: Stock ticker symbol (e.g. VNM, FPT, ACB) period: Reporting period - quarter or annual (default: quarter) source: Data source - VCI or KBS (default: VCI). It is categorised as a Read tool in the VNStock Agent MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on financial_cash_flow? +

Register the VNStock Agent MCP Server MCP server in PolicyLayer and add a rule for financial_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 VNStock Agent MCP Server. Nothing to install.

What risk level is financial_cash_flow? +

financial_cash_flow is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit financial_cash_flow? +

Yes. Add a rate_limit block to the financial_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.

How do I block financial_cash_flow completely? +

Set action: deny in the PolicyLayer policy for financial_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.

What MCP server provides financial_cash_flow? +

financial_cash_flow is provided by the VNStock Agent MCP Server MCP server (mrgoonie/vnstock-agent). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every VNStock Agent MCP Server tool call.

Start from VNStock Agent MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →

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21 VNStock Agent MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.