searchCIK
Easily retrieve the Central Index Key (CIK) for publicly traded companies with the FMP CIK API. Access unique identifiers needed for SEC filings and regulatory documents for a streamlined compliance and financial analysis process.
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What searchCIK does on Financial Modeling Prep (FMP) Server
AI agents call searchCIK 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 |
|---|---|---|---|
cik | string | — | The CIK number to search for |
limit | number | — | Optional limit on number of results (default: 50) |
Parameters from the server's own tool schema.
Why searchCIK is rated Low
This tool performs a simple query to fetch publicly available regulatory identifiers (CIK numbers) from a database. It has no side effects, does not execute code or commands, does not modify data, and does not involve financial transactions. The returned data (CIK identifiers) is static reference information already public through SEC databases. Misuse poses minimal risk to the user or third parties.
From the tool's definition Tool description states 'retrieve the Central Index Key (CIK) for publicly traded companies' - a pure data lookup operation that returns a unique identifier used for SEC filing references. No modification, execution, deletion, or financial transaction occurs.
Attacks that exploit this kind of access
The rule that runs searchCIK 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 searchCIK, this is the rule to start with:
searchCIK 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 searchCIK call is checked against it from then on.
Questions about searchCIK
Easily retrieve the Central Index Key (CIK) for publicly traded companies with the FMP CIK API. Access unique identifiers needed for SEC filings and regulatory documents for a streamlined compliance and financial analysis process. It is categorised as a Read tool in the Financial Modeling Prep (FMP) Server MCP Server, which means it retrieves data without modifying state.
searchCIK accepts 2 parameters: cik, limit. 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 searchCIK: 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.
searchCIK 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 searchCIK 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 searchCIK. 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.
searchCIK 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.
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