smartlead_get_blacklists

THE RISK

Low Risk

Why smartlead_get_blacklists needs a policy

This tool retrieves/queries blacklist status information without creating, modifying, deleting, or executing any operations. It is purely informational, making it a Read category tool with low severity as misuse would only expose existing blacklist data rather than cause operational damage or data loss.

From the tool's definition Tool name 'smartlead_get_blacklists' and description 'Retrieve blacklist status for a specific test' both indicate a read-only query operation with no data modification or side effects.

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

POLICY

How to control smartlead_get_blacklists

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

policy.json

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

smartlead_get_blacklists 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 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

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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_blacklists

What does the smartlead_get_blacklists tool do? +

Retrieve blacklist status for a specific test. It is categorised as a Read tool in the SmartLead MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on smartlead_get_blacklists? +

Register the SmartLead MCP Server MCP server in PolicyLayer and add a rule for smartlead_get_blacklists: 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 MCP Server. Nothing to install.

What risk level is smartlead_get_blacklists? +

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

Can I rate-limit smartlead_get_blacklists? +

Yes. Add a rate_limit block to the smartlead_get_blacklists 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_blacklists completely? +

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

smartlead_get_blacklists is provided by the SmartLead MCP Server MCP server (leadmagic/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 MCP Server tool call.

Start from SmartLead 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 →