build_email_template · Moengage MCP: Risk & Policy

WHAT IT DOES

What build_email_template does on Moengage

AI agents use build_email_template to create or update resources in Moengage — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Moengage environment.

WHY IT NEEDS A POLICY

Why build_email_template needs a policy

The name implies constructing or creating an email template, which is a Write operation (creating/modifying data reversibly). Confidence is reduced due to the empty description. Given sibling tools like 'create_campaign' and 'analyze_template', this tool likely creates or builds a new email template asset. Severity is medium as misuse could result in unwanted templates being created in the marketing platform.

From the tool's definition Tool name 'build_email_template' suggests creation/modification of an email template; description is empty and uninformative.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

build_email_template Rate-limited

build_email_template 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.

View as policy code

policy.json

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

LIMIT THIS TOOL →

Instant setup, no code required.

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

FAQ

Questions about build_email_template

What does the build_email_template tool do? +

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

How do I enforce a policy on build_email_template? +

Register the Moengage MCP server in PolicyLayer and add a rule for build_email_template: 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 Moengage. Nothing to install.

What risk level is build_email_template? +

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

Can I rate-limit build_email_template? +

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

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

build_email_template is provided by the Moengage MCP server (poddubnyoleg/moengage_mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.