mittwald_mail_address_create · Mittwald MCP Server MCP

WHAT IT DOES

What mittwald_mail_address_create does on Mittwald MCP Server

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

WHY IT NEEDS A POLICY

Why mittwald_mail_address_create needs a policy

Creating a mail address modifies account/server configuration by adding a new resource. This is reversible (the address can be deleted later), so it falls under Write rather than Destructive. Severity is medium because mail addresses can be used for account access, user impersonation, or spam, but the primary account infrastructure remains intact.

From the tool's definition Tool is named 'mittwald_mail_address_create' with description 'Create a new mail address.' The verb 'create' and action of adding a new mail address constitute a reversible write operation.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

mittwald_mail_address_create Rate-limited

mittwald_mail_address_create 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": {
    "mittwald_mail_address_create": {
      "limits": [
        {
          "counter": "mittwald_mail_address_create_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 Mittwald MCP Server, so you can run agents against it safely.

FAQ

Questions about mittwald_mail_address_create

What does the mittwald_mail_address_create tool do? +

Create a new mail address. It is categorised as a Write tool in the Mittwald 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 mittwald_mail_address_create? +

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

What risk level is mittwald_mail_address_create? +

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

Can I rate-limit mittwald_mail_address_create? +

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

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

mittwald_mail_address_create is provided by the Mittwald MCP Server MCP server (mittwald/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.