smartlead_update_campaign_settings

THE RISK

Medium Risk

Why smartlead_update_campaign_settings needs a policy

This tool modifies campaign settings (reversible changes) without deleting data or executing external operations. While the description is minimal, the verb 'update' unambiguously indicates Write category. Severity is medium because misconfigured campaign settings could disrupt email marketing operations, affect recipient targeting, or damage reputation, but the effect is recoverable.

From the tool's definition Tool name 'smartlead_update_campaign_settings' and description 'Update a campaign' directly indicate data modification. 'Update' is a classic Write operation that modifies existing campaign configuration data.

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

POLICY

How to control smartlead_update_campaign_settings

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_update_campaign_settings:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "smartlead_update_campaign_settings": {
      "limits": [
        {
          "counter": "smartlead_update_campaign_settings_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

smartlead_update_campaign_settings stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. 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.

LIMIT 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.

All 78 Smartlead Simplified MCP Server tools →

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Argument validation → Checking tool call arguments against schema and policy before they run.
Scoped token → Per-person credentials that grant a defined subset of servers and tools.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about smartlead_update_campaign_settings

What does the smartlead_update_campaign_settings tool do? +

Update a campaign\. It is categorised as a Write tool in the Smartlead Simplified MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on smartlead_update_campaign_settings? +

Register the Smartlead Simplified MCP Server MCP server in PolicyLayer and add a rule for smartlead_update_campaign_settings: 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_update_campaign_settings? +

smartlead_update_campaign_settings is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit smartlead_update_campaign_settings? +

Yes. Add a rate_limit block to the smartlead_update_campaign_settings 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_update_campaign_settings completely? +

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

smartlead_update_campaign_settings 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.

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