create_instance_disk

Create a new disk for a Linode instance

SERVERLinode MCP Server SOURCEtakashito/linode-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/takashito-linode-mcp-server/create-instance-disk.md

WHAT IT DOES

What create_instance_disk does on Linode MCP Server

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

RISK

Why create_instance_disk is rated Medium

This tool creates new disk resources within a Linode instance, which is a reversible Write operation (disks can be deleted). However, it carries high severity because creating storage resources can consume paid cloud resources, impact billing, and affect instance capacity and performance.

From the tool's definition Tool name 'create_instance_disk' and description 'Create a new disk for a Linode instance' explicitly indicates creation of cloud infrastructure resources.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs create_instance_disk safely

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

create_instance_disk Rate-limited

create_instance_disk 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": {
    "create_instance_disk": {
      "limits": [
        {
          "counter": "create_instance_disk_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 Linode MCP Server, apply this rule, and every create_instance_disk call is checked against it from then on.

FAQ

Questions about create_instance_disk

What does the create_instance_disk tool do? +

Create a new disk for a Linode instance. It is categorised as a Write tool in the Linode 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 create_instance_disk? +

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

What risk level is create_instance_disk? +

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

Can I rate-limit create_instance_disk? +

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

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

create_instance_disk is provided by the Linode MCP Server MCP server (takashito/linode-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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