create_lvm

Create a new LVM volume group on a device.

SERVERProxmox MCP Server SOURCEgethosthewalrus/proxmox-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/gethosthewalrus-proxmox-mcp/create-lvm.md

WHAT IT DOES

What create_lvm does on Proxmox MCP Server

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

RISK

Why create_lvm is rated Medium

This tool creates a new logical volume management volume group, which modifies storage infrastructure state. While this persists storage configuration changes, it is not inherently destructive (the volume group can be removed). It does not execute arbitrary code, delete data irreversibly, or move money.

From the tool's definition Tool description: 'Create a new LVM volume group on a device.' The verb 'Create' indicates data creation/modification on storage infrastructure. LVM volume group creation is a reversible operation—the volume group can be deleted if needed.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs create_lvm safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Proxmox MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For create_lvm, this is the rule to start with:

create_lvm Rate-limited

create_lvm 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_lvm": {
      "limits": [
        {
          "counter": "create_lvm_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Proxmox MCP Server, apply this rule, and every create_lvm call is checked against it from then on.

FAQ

Questions about create_lvm

What does the create_lvm tool do? +

Create a new LVM volume group on a device. It is categorised as a Write tool in the Proxmox 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_lvm? +

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

What risk level is create_lvm? +

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

Can I rate-limit create_lvm? +

Yes. Add a rate_limit block to the create_lvm 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_lvm completely? +

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

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

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