approve_email_program · Marketo MCP Server MCP

WHAT IT DOES

What approve_email_program does on Marketo MCP Server

AI agents invoke approve_email_program to trigger actions in Marketo MCP Server. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

WHY IT NEEDS A POLICY

Why approve_email_program needs a policy

Approving an email program in Marketo transitions it from draft to active state, which can trigger email sends to potentially large audiences. This is an external operation with significant real-world effects (emails sent cannot be recalled), making it Execute at high severity due to the blast radius of mass email communication.

From the tool's definition 'Approve an Email Program in Marketo' — approving triggers external operations (activating/sending email campaigns to recipients)

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

approve_email_program Rate-limited

approve_email_program 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.

View as policy code

policy.json

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

RATE-LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Marketo MCP Server, so you can run agents against it safely.

FAQ

Questions about approve_email_program

What does the approve_email_program tool do? +

Approve an Email Program in Marketo. It is categorised as a Execute tool in the Marketo 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 approve_email_program? +

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

What risk level is approve_email_program? +

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

Can I rate-limit approve_email_program? +

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

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

approve_email_program is provided by the Marketo MCP Server MCP server (tyron-pretorius/marketo-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.