Get institutional ownership (13F filings) for a stock
AI agents call get_institutional_holders to retrieve information from Financial Modeling Prep (FMP) 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 and queries institutional ownership information from 13F SEC filings, which are public regulatory documents. It performs a read-only operation with no side effects, data modification, code execution, destructive actions, or financial transactions. The blast radius of misuse is minimal—an agent could only retrieve existing public financial data about institutional investors.
From the tool's definition Tool name 'get_institutional_holders' and description 'Get institutional ownership (13F filings) for a stock' indicates retrieval of publicly available SEC filing data with no modification or execution capabilities.
Attacks that exploit this kind of access
Get institutional ownership (13F filings) for a stock. It is categorised as a Read tool in the Financial Modeling Prep (FMP) MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Financial Modeling Prep (FMP) MCP Server MCP server in PolicyLayer and add a rule for get_institutional_holders: 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) MCP Server. Nothing to install.
get_institutional_holders 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 get_institutional_holders 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 get_institutional_holders. 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.
get_institutional_holders is provided by the Financial Modeling Prep (FMP) MCP Server MCP server (jackdark425/aigroup-fmp-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
Teams ship this data inside their own products. See what a licence covers →