AI agents call get_financials 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 financial statements (balance sheets, income statements, cash flows, etc.) from a financial market data server. It performs a read operation querying existing data sources without side effects, reversible modifications, destructive actions, or financial transactions.
From the tool's definition Tool name 'get_financials' with description 'Get financial statements' indicates retrieval of existing financial data without modification or execution of trades.
Documented attack patterns abuse exactly the kind of access get_financials 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_financials:
{
"version": "1",
"default": "deny",
"tools": {
"get_financials": {}
}
}get_financials is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get financial 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_financials: 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_financials 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_financials 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_financials. 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_financials 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.