get_coverage

THE RISK

Low Risk

Why get_coverage needs a policy

This tool performs a simple informational lookup to determine service coverage for a given location. It has no side effects, does not modify data, does not execute code or commands, and does not involve financial transactions or destructive operations. It is a read-only retrieval function typical of coverage/service area checking utilities.

From the tool's definition Tool name 'get_coverage' and description 'Check if a location is within coverage area' indicate a query operation that retrieves coverage information without modifying data or triggering actions.

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

POLICY

How to control get_coverage

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

policy.json

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

get_coverage 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 Mcp Afip — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

Free to start. No card required.

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.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about get_coverage

What does the get_coverage tool do? +

Check if a location is within coverage area. It is categorised as a Read tool in the Mcp Afip MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_coverage? +

Register the Mcp Afip MCP server in PolicyLayer and add a rule for get_coverage: 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 Mcp Afip. Nothing to install.

What risk level is get_coverage? +

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

Can I rate-limit get_coverage? +

Yes. Add a rate_limit block to the get_coverage 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_coverage completely? +

Set action: deny in the PolicyLayer policy for get_coverage. 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_coverage? +

get_coverage is provided by the Mcp Afip MCP server (codespar/mcp-dev-latam). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Mcp Afip tool call.

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

CHECK YOUR STACK →