update_vm_guest_os

Update virtual machine guest OS type

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/update-vm-guest-os.md

WHAT IT DOES

What update_vm_guest_os does on CloudStack MCP Server

AI agents use update_vm_guest_os 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 update_vm_guest_os is rated Medium

This tool modifies VM configuration (guest OS type) but does not delete, destroy, or execute arbitrary code. Changing guest OS type is reversible and does not directly execute operations or cause financial impact. It qualifies as a Write action due to its modification nature.

From the tool's definition Tool name 'update_vm_guest_os' and description 'Update virtual machine guest OS type' indicate a modification operation on a virtual machine configuration. The verb 'update' and context of modifying guest OS settings reflect a reversible write operation.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

update_vm_guest_os Rate-limited

update_vm_guest_os 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": {
    "update_vm_guest_os": {
      "limits": [
        {
          "counter": "update_vm_guest_os_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 update_vm_guest_os call is checked against it from then on.

FAQ

Questions about update_vm_guest_os

What does the update_vm_guest_os tool do? +

Update virtual machine guest OS type. 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 update_vm_guest_os? +

Register the CloudStack MCP Server MCP server in PolicyLayer and add a rule for update_vm_guest_os: 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 update_vm_guest_os? +

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

Can I rate-limit update_vm_guest_os? +

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

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

update_vm_guest_os 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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