mittwald_volume_create · Mittwald MCP Server MCP

WHAT IT DOES

What mittwald_volume_create does on Mittwald MCP Server

AI agents use mittwald_volume_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_volume_create needs a policy

This tool creates a new volume (storage resource) within a project, which is a reversible write operation. It modifies the project infrastructure by adding a new storage component, but the action can be undone by deleting the volume. This is not destructive (deletion is permanent), not financial, not read-only, and not arbitrary code execution.

From the tool's definition Tool name 'mittwald_volume_create' and description 'Create a new named volume inside a project stack' explicitly indicate creation of a new resource.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

mittwald_volume_create Rate-limited

mittwald_volume_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_volume_create": {
      "limits": [
        {
          "counter": "mittwald_volume_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_volume_create

What does the mittwald_volume_create tool do? +

Create a new named volume inside a project stack. 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_volume_create? +

Register the Mittwald MCP Server MCP server in PolicyLayer and add a rule for mittwald_volume_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_volume_create? +

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

Can I rate-limit mittwald_volume_create? +

Yes. Add a rate_limit block to the mittwald_volume_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_volume_create completely? +

Set action: deny in the PolicyLayer policy for mittwald_volume_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_volume_create? +

mittwald_volume_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.