download_url_to_storage

A write tool on the Proxmox MCP server.

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/download-url-to-storage.md

WHAT IT DOES

What download_url_to_storage does on Proxmox MCP Server

AI agents use download_url_to_storage 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 download_url_to_storage is rated Medium

The tool name suggests it downloads a resource from a URL and saves it to Proxmox storage, which is a Write operation (creating/modifying data). However, the description is empty, so confidence is reduced. Given the server context (Proxmox VE infrastructure management) and sibling tools like 'allocate_storage_volume', this is likely used to download ISO images or templates to storage.

From the tool's definition Tool name: 'download_url_to_storage' — implies fetching content from a URL and writing it to storage.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

download_url_to_storage Rate-limited

download_url_to_storage 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": {
    "download_url_to_storage": {
      "limits": [
        {
          "counter": "download_url_to_storage_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 download_url_to_storage call is checked against it from then on.

FAQ

Questions about download_url_to_storage

What does the download_url_to_storage tool do? +

download_url_to_storage is a write tool on the Proxmox MCP Server MCP server. 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 download_url_to_storage? +

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

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

Can I rate-limit download_url_to_storage? +

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

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

download_url_to_storage 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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