smartlead_get_mailbox_summary

THE RISK

Low Risk

Why smartlead_get_mailbox_summary needs a policy

This tool queries and retrieves mailbox information and performance metrics without any side effects. It fits the Read category as it only fetches existing data. The severity is low because retrieving email marketing performance metrics poses minimal risk even if an AI agent accesses it without authorization.

From the tool's definition Tool description states 'Get the list of mailboxes' and retrieves 'overall performance across all tests' — purely data retrieval with no modification, creation, deletion, or execution of operations.

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

POLICY

How to control smartlead_get_mailbox_summary

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

policy.json

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

smartlead_get_mailbox_summary 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 Smartlead Simplified MCP Server — 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 →

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EXPLORE

Related tools and policies

More Smartlead Simplified MCP Server tools

Financial smartlead_place_order_mailboxes Confirm and place order for domains and mailboxes to be purchased. Destructive smartlead_delete_campaign Delete a campaign permanently. Destructive smartlead_delete_campaign_webhook Delete a specific webhook from a campaign. Destructive smartlead_delete_folder Delete a folder from Smart Delivery. Destructive smartlead_delete_lead Delete a lead permanently. Destructive smartlead_delete_smart_delivery_tests Delete multiple Smart Delivery tests in bulk. Destructive smartlead_remove_email_from_campaign Remove an email account from a campaign. Execute smartlead_stop_automated_test Stop an active automated test before its end date.

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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 smartlead_get_mailbox_summary

What does the smartlead_get_mailbox_summary tool do? +

Get the list of mailboxes used for any Smart Delivery test with overall performance across all tests. It is categorised as a Read tool in the Smartlead Simplified MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on smartlead_get_mailbox_summary? +

Register the Smartlead Simplified MCP Server MCP server in PolicyLayer and add a rule for smartlead_get_mailbox_summary: 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 Smartlead Simplified MCP Server. Nothing to install.

What risk level is smartlead_get_mailbox_summary? +

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

Can I rate-limit smartlead_get_mailbox_summary? +

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

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

smartlead_get_mailbox_summary is provided by the Smartlead Simplified MCP Server MCP server (jonathan-politzki/smartlead-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Smartlead Simplified MCP Server tool call.

Start from Smartlead Simplified MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →