list_directory_storage

List directory-based storage mounts on a node.

SERVERProxmox MCP Server SOURCEgethosthewalrus/proxmox-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/gethosthewalrus-proxmox-mcp/list-directory-storage.md

WHAT IT DOES

What list_directory_storage does on Proxmox MCP Server

AI agents call list_directory_storage to retrieve information from Proxmox MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why list_directory_storage is rated Low

This tool queries and returns information about directory-based storage mounts on a Proxmox node. It performs a read-only operation that retrieves configuration or state data without creating, modifying, deleting, or executing any actions. The blast radius is minimal since the operation cannot alter infrastructure or trigger external operations.

From the tool's definition Tool name 'list_directory_storage' and description 'List directory-based storage mounts on a node' indicate a retrieval/query operation with no modifications or side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

list_directory_storage Allowed

list_directory_storage is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "list_directory_storage": {}
  }
}

ALLOW ONLY 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 list_directory_storage call is checked against it from then on.

FAQ

Questions about list_directory_storage

What does the list_directory_storage tool do? +

List directory-based storage mounts on a node. It is categorised as a Read tool in the Proxmox MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_directory_storage? +

Register the Proxmox MCP Server MCP server in PolicyLayer and add a rule for list_directory_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 list_directory_storage? +

list_directory_storage is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit list_directory_storage? +

Yes. Add a rate_limit block to the list_directory_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 list_directory_storage completely? +

Set action: deny in the PolicyLayer policy for list_directory_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 list_directory_storage? +

list_directory_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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