Retrieve market capitalization data for multiple companies in a single request with the FMP Batch Market Capitalization API. This API allows users to compare the market size of various companies simultaneously, streamlining the analysis of company valuations.
AI agents call getBatchMarketCap 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 retrieves publicly available market capitalization data for multiple companies. It has no side effects, does not modify data, does not execute code or commands, does not delete anything, and does not move money.
From the tool's definition 'Retrieve market capitalization data' - the verb 'retrieve' and the context of reading market data indicates this is a read-only operation that queries financial information without modifying or executing actions.
Attacks that exploit this kind of access
Retrieve market capitalization data for multiple companies in a single request with the FMP Batch Market Capitalization API. This API allows users to compare the market size of various companies simultaneously, streamlining the analysis of company valuations. 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 getBatchMarketCap: 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.
getBatchMarketCap 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 getBatchMarketCap 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 getBatchMarketCap. 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.
getBatchMarketCap 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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