getMarketCap
Retrieve the market capitalization for a specific company on any given date using the FMP Company Market Capitalization API. This API provides essential data to assess the size and value of a company in the stock market, helping users gauge its overall market standing.
This record as markdown: /tools/imbenrabi-financial-modeling-prep-mcp-server/getmarketcap.md
What getMarketCap does on Financial Modeling Prep (FMP) Server
AI agents call getMarketCap to retrieve information from Financial Modeling Prep (FMP) Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
symbol | string | — | Stock symbol |
Parameters from the server's own tool schema.
Why getMarketCap is rated Low
This tool retrieves historical market capitalization data for analysis purposes. It performs a simple query with no side effects, data modifications, or external operations triggered. The blast radius of misuse is minimal—at worst, an agent could retrieve irrelevant or excessive market cap data, but no financial transactions, code execution, or data destruction is possible.
From the tool's definition Tool name 'getMarketCap' and description 'Retrieve the market capitalization for a specific company on any given date' indicates a read-only data retrieval operation.
Attacks that exploit this kind of access
The rule that runs getMarketCap safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Financial Modeling Prep (FMP) Server , and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For getMarketCap, this is the rule to start with:
getMarketCap 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 (FMP) Server , apply this rule, and every getMarketCap call is checked against it from then on.
Questions about getMarketCap
Retrieve the market capitalization for a specific company on any given date using the FMP Company Market Capitalization API. This API provides essential data to assess the size and value of a company in the stock market, helping users gauge its overall market standing. It is categorised as a Read tool in the Financial Modeling Prep (FMP) Server MCP Server, which means it retrieves data without modifying state.
getMarketCap accepts 1 parameter: symbol. The full parameter table on this page comes from the server's own tool schema.
Register the Financial Modeling Prep (FMP) Server MCP server in PolicyLayer and add a rule for getMarketCap: 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 (FMP) Server . Nothing to install.
getMarketCap 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 getMarketCap 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 getMarketCap. 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.
getMarketCap is provided by the Financial Modeling Prep (FMP) Server MCP server (imbenrabi/financial-modeling-prep-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
More on Financial Modeling Prep (FMP) Server, and thousands of servers like it.
Across the catalogue