create-messenger-draft · Sidemail MCP Server MCP

WHAT IT DOES

What create-messenger-draft does on Sidemail MCP Server

AI agents use create-messenger-draft to create or update resources in Sidemail MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Sidemail MCP Server environment.

WHY IT NEEDS A POLICY

Why create-messenger-draft needs a policy

This tool creates a new draft message resource, which is a reversible Write operation. It does not execute the send action (that would require a separate publish/send call), does not delete data, does not run arbitrary code, and does not involve financial transactions.

From the tool's definition Tool name 'create-messenger-draft' and description 'Create a Messenger draft' indicate the tool creates data (a draft message).

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create-messenger-draft Rate-limited

create-messenger-draft 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": {
    "create-messenger-draft": {
      "limits": [
        {
          "counter": "create-messenger-draft_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 Sidemail MCP Server, so you can run agents against it safely.

FAQ

Questions about create-messenger-draft

What does the create-messenger-draft tool do? +

Create a Messenger draft (Sidemail Messenger API). Messenger is a tool for sending newsletters / broadcasts to contacts inside Sidemail. It is categorised as a Write tool in the Sidemail 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 create-messenger-draft? +

Register the Sidemail MCP Server MCP server in PolicyLayer and add a rule for create-messenger-draft: 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 Sidemail MCP Server. Nothing to install.

What risk level is create-messenger-draft? +

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

Can I rate-limit create-messenger-draft? +

Yes. Add a rate_limit block to the create-messenger-draft 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 create-messenger-draft completely? +

Set action: deny in the PolicyLayer policy for create-messenger-draft. 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 create-messenger-draft? +

create-messenger-draft is provided by the Sidemail MCP Server MCP server (sidemail/sidemail-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.