get_app_metrics

THE RISK

Low Risk

Why get_app_metrics needs a policy

This tool queries and retrieves public or pre-computed metrics about mobile applications. It performs a pure data retrieval operation with no side effects, no code execution, no data modification, and no financial impact. The blast radius of misuse is minimal—an agent could retrieve metrics for unintended apps but cannot alter or delete data.

From the tool's definition Tool description states 'Get mobile app rankings and user engagement metrics' — a retrieval operation with no modification, deletion, or execution capability. The verb 'Get' and the data retrieved (rankings and metrics) are read-only.

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

POLICY

How to control get_app_metrics

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_app_metrics:

policy.json

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

get_app_metrics 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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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
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FAQ

Questions about get_app_metrics

What does the get_app_metrics tool do? +

Get mobile app rankings and user engagement metrics. 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_app_metrics? +

Register the SEC MCP server in PolicyLayer and add a rule for get_app_metrics: 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_app_metrics? +

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

Can I rate-limit get_app_metrics? +

Yes. Add a rate_limit block to the get_app_metrics 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_app_metrics completely? +

Set action: deny in the PolicyLayer policy for get_app_metrics. 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_app_metrics? +

get_app_metrics 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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