list_notifications

THE RISK

Low Risk

Why list_notifications needs a policy

This tool retrieves webhook notification configurations, which is a read-only operation. It has no capability to modify, create, delete, or trigger external actions. The blast radius of misuse is minimal—an attacker could learn about notification settings but cannot alter them or cause financial/destructive harm.

From the tool's definition Tool name 'list_notifications' and description 'List webhook notification configurations' indicate a retrieval operation with no side effects. The verb 'list' is a classic Read operation that queries existing data without modification, creation, or deletion.

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

POLICY

How to control list_notifications

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 list_notifications:

policy.json

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

list_notifications 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 list_notifications

What does the list_notifications tool do? +

List webhook notification configurations. 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 list_notifications? +

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

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

Can I rate-limit list_notifications? +

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

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

list_notifications 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 →