isolate_multiple

THE RISK

High Risk

Why isolate_multiple needs a policy

Isolating devices from the network is a major operational action that cuts off network access for multiple machines simultaneously. While potentially reversible (devices can be unisolated), the blast radius is critical — misuse could take down production systems, disrupt business operations, or lock out legitimate users across many endpoints at once.

From the tool's definition Isolate multiple devices from the network in a single operation

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

POLICY

How to control isolate_multiple

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

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "isolate_multiple": {
      "limits": [
        {
          "counter": "isolate_multiple_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

isolate_multiple stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

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

RATE-LIMIT THIS TOOL →

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EXPLORE

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Go deeper

High-risk tools in Response MCP Server → Every high-risk tool this server exposes, in one view.
All high-risk MCP tools → Every high-risk tool across the catalogue, and the policy pattern that contains them.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Agent sandbox → Bounding what an agent can execute and where the boundary should sit.
Least privilege for MCP → Granting agents the minimum tool surface the task needs.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about isolate_multiple

What does the isolate_multiple tool do? +

Isolate multiple devices from the network in a single operation. Provide a comma-separated list of device names. It is categorised as a Execute tool in the Response MCP Server MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on isolate_multiple? +

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

What risk level is isolate_multiple? +

isolate_multiple is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit isolate_multiple? +

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

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

isolate_multiple is provided by the Response MCP Server MCP server (markolauren/responsemcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Response MCP Server tool call.

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

CHECK YOUR STACK →