get_message_status

THE RISK

Low Risk

Why get_message_status needs a policy

This is a simple query operation that fetches the delivery status of a message by its identifier. It has no side effects, does not modify any data, and does not trigger financial or destructive actions. The blast radius of misuse is minimal—an attacker could only gain visibility into message statuses, not interfere with invoicing, payments, or data integrity. Classified as Read with low severity.

From the tool's definition Tool name is 'get_message_status' and description states 'Get message delivery status by ID' — retrieves status information without modifying or deleting data.

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

POLICY

How to control get_message_status

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_message_status:

policy.json

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

get_message_status 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.

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

FAQ

Questions about get_message_status

What does the get_message_status tool do? +

Get message delivery status by ID. 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_message_status? +

Register the Mcp Afip MCP server in PolicyLayer and add a rule for get_message_status: 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_message_status? +

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

Can I rate-limit get_message_status? +

Yes. Add a rate_limit block to the get_message_status 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_message_status completely? +

Set action: deny in the PolicyLayer policy for get_message_status. 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_message_status? +

get_message_status 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 →