get_margin_assumptions

THE RISK

Low Risk

Why get_margin_assumptions needs a policy

This tool queries and retrieves financial metrics and assumptions from SEC filings without modifying data, executing external operations, or producing irreversible effects. It is a straightforward data retrieval function typical of analytics platforms accessing public financial databases.

From the tool's definition Tool name and description indicate data retrieval: 'Get operating margin and profitability assumptions' retrieves financial assumptions data from SEC EDGAR database. No mutation, deletion, or execution of operations occurs.

Documented attack patterns abuse exactly the kind of access get_margin_assumptions gives an agent:

POLICY

How to control get_margin_assumptions

PolicyLayer is an MCP gateway — it sits between your AI agents and SEC MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for get_margin_assumptions:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_margin_assumptions": {}
  }
}

get_margin_assumptions is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register SEC MCP — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

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EXPLORE

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The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
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FAQ

Questions about get_margin_assumptions

What does the get_margin_assumptions tool do? +

Get operating margin and profitability assumptions. It is categorised as a Read tool in the SEC MCP MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_margin_assumptions? +

Register the SEC MCP server in PolicyLayer and add a rule for get_margin_assumptions: 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 SEC MCP. Nothing to install.

What risk level is get_margin_assumptions? +

get_margin_assumptions is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_margin_assumptions? +

Yes. Add a rate_limit block to the get_margin_assumptions 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.

How do I block get_margin_assumptions completely? +

Set action: deny in the PolicyLayer policy for get_margin_assumptions. 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.

What MCP server provides get_margin_assumptions? +

get_margin_assumptions is provided by the SEC MCP server (luisrincon23/sec-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every SEC MCP tool call.

Start from SEC MCP, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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