clean_vm_reservations · CloudStack MCP Server MCP

WHAT IT DOES

What clean_vm_reservations does on CloudStack MCP Server

AI agents use clean_vm_reservations 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.

WHY IT NEEDS A POLICY

Why clean_vm_reservations needs a policy

Cleaning reservations modifies VM reservation data but does not irreversibly delete them—this is consistent with Write category behavior. While the server offers a 'safety confirmation system for destructive operations,' this tool's name and description do not explicitly indicate it performs irreversible deletion.

From the tool's definition Tool name 'clean_vm_reservations' and description 'Clean virtual machine reservations' indicate modification of reservation data.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

clean_vm_reservations Rate-limited

clean_vm_reservations 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": {
    "clean_vm_reservations": {
      "limits": [
        {
          "counter": "clean_vm_reservations_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches CloudStack MCP Server, so you can run agents against it safely.

FAQ

Questions about clean_vm_reservations

What does the clean_vm_reservations tool do? +

Clean virtual machine reservations. 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 clean_vm_reservations? +

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

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

Can I rate-limit clean_vm_reservations? +

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

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

clean_vm_reservations 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.