AI agents call get_financial_statements to retrieve information from Tiingo 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 without side effects. It is purely informational—querying historical corporate financial documents. No data is created, modified, deleted, or financial transactions are initiated. The worst-case misuse would be unauthorized access to publicly available financial data, which has minimal blast radius.
From the tool's definition Tool name and description indicate data retrieval only: 'Get quarterly and annual financial statements' with no mention of modification, deletion, or execution.
Attacks that exploit this kind of access
Get quarterly and annual financial statements (income, balance sheet, cash flow). It is categorised as a Read tool in the Tiingo MCP Server, which means it retrieves data without modifying state.
Register the Tiingo MCP server in PolicyLayer and add a rule for get_financial_statements: 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 Tiingo. Nothing to install.
get_financial_statements 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_financial_statements 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_financial_statements. 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_financial_statements is provided by the Tiingo MCP server (major7apps/tiingo-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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