AI agents call get_cash_flow to retrieve information from IsoFinancial-MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries financial data (cash flow statements) without side effects, matching the Read category definition. While the server provides financial market data, this specific tool performs no transactions, financial movements, code execution, or data modification.
From the tool's definition Tool name 'get_cash_flow' and description 'Get cash flow statements' indicate retrieval of financial data with no modification, deletion, or execution capabilities. Cash flow statements are historical financial reports.
Documented attack patterns abuse exactly the kind of access get_cash_flow gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and IsoFinancial-MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for get_cash_flow:
{
"version": "1",
"default": "deny",
"tools": {
"get_cash_flow": {}
}
}get_cash_flow 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.
Get cash flow statements. It is categorised as a Read tool in the IsoFinancial-MCP MCP Server, which means it retrieves data without modifying state.
Register the IsoFinancial- 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 IsoFinancial-MCP. 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 IsoFinancial- MCP server (niels-8/isofinancial-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from IsoFinancial-MCP, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
26 IsoFinancial-MCP tools catalogued and risk-classified — across an index of 43,000+ MCP servers.