retrieve_subscription

THE RISK

Low Risk

Why retrieve_subscription needs a policy

This is a read operation that queries subscription data by identifier. It has no capability to modify, delete, or execute actions. The blast radius is minimal—unauthorized access could expose subscription details, but the operation itself is non-destructive and reversible. Classified as Read with low severity.

From the tool's definition Tool name 'retrieve_subscription' and description 'Retrieve a subscription by ID' indicate a query operation that retrieves existing data without modification or side effects.

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

POLICY

How to control retrieve_subscription

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 retrieve_subscription:

policy.json

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

retrieve_subscription 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

Related tools and policies

More Mcp Afip tools

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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 retrieve_subscription

What does the retrieve_subscription tool do? +

Retrieve a subscription 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 retrieve_subscription? +

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

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

Can I rate-limit retrieve_subscription? +

Yes. Add a rate_limit block to the retrieve_subscription 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 retrieve_subscription completely? +

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

retrieve_subscription 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 →