getCIKList
Access a comprehensive database of CIK (Central Index Key) numbers for SEC-registered entities with the FMP CIK List API. This endpoint is essential for businesses, financial professionals, and individuals who need quick access to CIK numbers for regulatory compliance, financial transactions, and...
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What getCIKList does on Financial Modeling Prep MCP Server
AI agents call getCIKList 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 getCIKList is rated Low
This tool queries and retrieves publicly available SEC Central Index Key data. It has no side effects, does not modify any data, does not execute arbitrary operations, and does not involve financial transactions. It is a straightforward read operation typical of financial data APIs. The mention of 'regulatory compliance' and 'investment research' indicates informational use only.
From the tool's definition Tool description states 'Access a comprehensive database' and 'quick access to CIK numbers' — purely retrieval operations. No modification, deletion, or execution of code/commands. No financial transactions or money movement.
Attacks that exploit this kind of access
The rule that runs getCIKList 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 getCIKList, this is the rule to start with:
getCIKList 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 getCIKList call is checked against it from then on.
Questions about getCIKList
Access a comprehensive database of CIK (Central Index Key) numbers for SEC-registered entities with the FMP CIK List API. This endpoint is essential for businesses, financial professionals, and individuals who need quick access to CIK numbers for regulatory compliance, financial transactions, and investment research. 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 getCIKList: 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.
getCIKList 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 getCIKList 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 getCIKList. 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.
getCIKList 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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