create_lvmthin

Create a new LVM thin pool.

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-lvmthin.md

WHAT IT DOES

What create_lvmthin does on Proxmox MCP Server

AI agents use create_lvmthin 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_lvmthin is rated Medium

This tool creates new storage infrastructure (LVM thin pool), which is a reversible Write operation. However, it carries high severity because misconfiguration or improper creation of thin pools could impact storage availability, performance, or capacity planning for the entire Proxmox cluster.

From the tool's definition Tool name 'create_lvmthin' and description 'Create a new LVM thin pool' indicate storage allocation/creation. LVM thin pools are foundational storage structures that can be leveraged by multiple virtual machines and containers in the Proxmox infrastructure.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs create_lvmthin 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_lvmthin, this is the rule to start with:

create_lvmthin Rate-limited

create_lvmthin 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_lvmthin": {
      "limits": [
        {
          "counter": "create_lvmthin_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_lvmthin call is checked against it from then on.

FAQ

Questions about create_lvmthin

What does the create_lvmthin tool do? +

Create a new LVM thin pool. 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_lvmthin? +

Register the Proxmox MCP Server MCP server in PolicyLayer and add a rule for create_lvmthin: 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_lvmthin? +

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

Can I rate-limit create_lvmthin? +

Yes. Add a rate_limit block to the create_lvmthin 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_lvmthin completely? +

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

create_lvmthin 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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