attach_volume

Attach a volume to a virtual machine

SERVERCloudStack MCP Server SOURCEmozg31337/cloudstack-mcp-server

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/mozg31337-cloudstack-mcp-server/attach-volume.md

WHAT IT DOES

What attach_volume does on CloudStack MCP Server

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

RISK

Why attach_volume is rated Medium

Attaching a volume to a VM is a reversible write operation that modifies the VM's configuration and storage setup. While it changes infrastructure state, it is not destructive (the volume and VM remain intact and can be detached), not financial, and does not execute arbitrary code.

From the tool's definition Tool name 'attach_volume' combined with description 'Attach a volume to a virtual machine' indicates modification of VM configuration by adding storage resources. This is a state-changing operation that modifies infrastructure.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs attach_volume safely

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

attach_volume Rate-limited

attach_volume 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": {
    "attach_volume": {
      "limits": [
        {
          "counter": "attach_volume_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 CloudStack MCP Server, apply this rule, and every attach_volume call is checked against it from then on.

FAQ

Questions about attach_volume

What does the attach_volume tool do? +

Attach a volume to a virtual machine. It is categorised as a Write tool in the CloudStack 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 attach_volume? +

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

What risk level is attach_volume? +

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

Can I rate-limit attach_volume? +

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

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

attach_volume is provided by the CloudStack MCP Server MCP server (mozg31337/cloudstack-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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