smartlead_retrigger_failed_events

THE RISK

High Risk

Why smartlead_retrigger_failed_events needs a policy

This tool re-executes previously failed webhook events, triggering external operations. It is an Execute-category action since it causes side effects by firing webhook calls to external systems. The blast radius is medium — it could cause duplicate processing or unintended downstream effects if misused, but it does not directly delete data or move money.

From the tool's definition Retrigger failed webhook events

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

POLICY

How to control smartlead_retrigger_failed_events

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_retrigger_failed_events:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "smartlead_retrigger_failed_events": {
      "limits": [
        {
          "counter": "smartlead_retrigger_failed_events_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

smartlead_retrigger_failed_events stays usable, but rate-capped — a runaway agent can't fire it dozens of times 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.

RATE-LIMIT THIS TOOL →

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EXPLORE

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Go deeper

High-risk tools in Smartlead Simplified MCP Server → Every high-risk tool this server exposes, in one view.
All high-risk MCP tools → Every high-risk tool across the catalogue, and the policy pattern that contains them.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Agent sandbox → Bounding what an agent can execute and where the boundary should sit.
Least privilege for MCP → Granting agents the minimum tool surface the task needs.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about smartlead_retrigger_failed_events

What does the smartlead_retrigger_failed_events tool do? +

Retrigger failed webhook events (Private Beta feature). It is categorised as a Execute tool in the Smartlead Simplified MCP Server MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on smartlead_retrigger_failed_events? +

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

smartlead_retrigger_failed_events is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit smartlead_retrigger_failed_events? +

Yes. Add a rate_limit block to the smartlead_retrigger_failed_events 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_retrigger_failed_events completely? +

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

smartlead_retrigger_failed_events 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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