getBatchMarketCap
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.
This record as markdown: /tools/io-github-imbenrabi-financial-modeling-prep-mcp-server/getbatchmarketcap.md
What getBatchMarketCap does on Financial Modeling Prep MCP Server
AI agents call getBatchMarketCap to retrieve information from Financial Modeling Prep MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why getBatchMarketCap is rated Low
getBatchMarketCap retrieves and queries public financial data (market capitalization metrics) for multiple companies without creating, modifying, deleting, or executing any financial transactions. It is purely informational. The blast radius of misuse is minimal—an AI agent could only access or analyze existing public financial data, not alter markets, execute trades, or cause financial harm.
From the tool's definition Tool description states it "Retrieve[s] market capitalization data" with no mention of modification, deletion, or financial transactions. The verb "retrieve" combined with "data for multiple companies" indicates a read-only query operation.
Attacks that exploit this kind of access
The rule that runs getBatchMarketCap safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Financial Modeling Prep MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For getBatchMarketCap, this is the rule to start with:
getBatchMarketCap is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Financial Modeling Prep MCP Server, apply this rule, and every getBatchMarketCap call is checked against it from then on.
Questions about getBatchMarketCap
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 (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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