resize_instance_disk

Resize a 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/resize-instance-disk.md

WHAT IT DOES

What resize_instance_disk does on Linode MCP Server

AI agents use resize_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 resize_instance_disk is rated Medium

Resizing a disk modifies an existing resource. While it can be destructive if shrinking (potential data loss), resizing is generally a reversible modification operation. However, shrinking a disk can cause data loss, so severity is high. The primary action is modification/write rather than deletion.

From the tool's definition 'Resize a disk for a Linode instance' — modifies existing disk configuration

Attacks that exploit this kind of access

RECOMMENDED RULE

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

resize_instance_disk Rate-limited

resize_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": {
    "resize_instance_disk": {
      "limits": [
        {
          "counter": "resize_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 resize_instance_disk call is checked against it from then on.

FAQ

Questions about resize_instance_disk

What does the resize_instance_disk tool do? +

Resize a 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 resize_instance_disk? +

Register the Linode MCP Server MCP server in PolicyLayer and add a rule for resize_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 resize_instance_disk? +

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

Can I rate-limit resize_instance_disk? +

Yes. Add a rate_limit block to the resize_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 resize_instance_disk completely? +

Set action: deny in the PolicyLayer policy for resize_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 resize_instance_disk? +

resize_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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