detach

THE RISK

Low Risk

Why detach needs a policy

The description is empty and uninformative. 'Detach' could mean detaching a block storage volume, network interface, IP address, or other resource from an instance — which would typically be a Write-level operation (reversible modification). However, without any description, the exact behavior is unknown.

From the tool's definition Tool name is 'detach' with an empty description. No further context is available to determine what is being detached or from what resource.

Documented attack patterns abuse exactly the kind of access detach gives an agent:

POLICY

How to control detach

PolicyLayer is an MCP gateway — it sits between your AI agents and Vultr MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for detach:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "detach": {
      "limits": [
        {
          "counter": "detach_rate",
          "window": "minute",
          "max": 60,
          "scope": "grant"
        }
      ]
    }
  }
}

detach gets a rate cap, and everything else on the server is denied unless you say otherwise.

Create a free account and register Vultr MCP — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

SET A RULE FOR THIS TOOL →

Free to start. No card required.

EXPLORE

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All 284 Vultr MCP tools →

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Tool risk categories → How PolicyLayer classifies MCP tools by what they can do.
MCP tool → What an MCP tool is and how clients discover and call it.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about detach

What does the detach tool do? +

detach. It is categorised as a Other tool in the Vultr MCP MCP Server, which means it performs auxiliary operations.

How do I enforce a policy on detach? +

Register the Vultr MCP server in PolicyLayer and add a rule for detach: 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 Vultr MCP. Nothing to install.

What risk level is detach? +

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

Can I rate-limit detach? +

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

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

detach is provided by the Vultr MCP server (rsp2k/mcp-vultr). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Vultr MCP tool call.

Start from Vultr MCP, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →