Easily search and retrieve financial securities information by CUSIP number using the FMP CUSIP API. Find key details such as company name, stock symbol, and market capitalization associated with the CUSIP.
AI agents call searchCUSIP to retrieve information from Financial Modeling Prep MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a pure read operation querying a database for existing securities information. There are no side effects, data modifications, deletions, or external state changes. The blast radius of misuse is minimal—an attacker could only discover public securities data already available through FMP APIs. Classification as Read is appropriate.
From the tool's definition Tool retrieves and displays financial securities information (company name, stock symbol, market capitalization) associated with a CUSIP number. Verbs are 'search,' 'retrieve,' and 'find' - all read-only query operations.
Attacks that exploit this kind of access
Easily search and retrieve financial securities information by CUSIP number using the FMP CUSIP API. Find key details such as company name, stock symbol, and market capitalization associated with the CUSIP. It is categorised as a Read tool in the Financial Modeling Prep MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Financial Modeling Prep MCP Server MCP server in PolicyLayer and add a rule for searchCUSIP: 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 Financial Modeling Prep MCP Server. Nothing to install.
searchCUSIP 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 searchCUSIP 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 searchCUSIP. 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.
searchCUSIP is provided by the Financial Modeling Prep MCP Server MCP server (vijitdaroch/financial-modeling-prep-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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