create_instance

A write tool on the Linode MCP server.

SERVERLinode MCP Server SOURCEkomer3/linode-mcp

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/komer3-linode-mcp/create-instance.md

WHAT IT DOES

What create_instance does on Linode MCP Server

AI agents use create_instance 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 is rated Medium

Creating a Linode instance is a reversible Write operation—it allocates cloud infrastructure and incurs costs, but the instance can be deleted afterward. While financially consequential (billing implications), the primary action is creation/provisioning rather than financial commitment itself.

From the tool's definition Tool named 'create_instance' within Linode MCP Server that manages cloud resources including 'creating' Linode instances. Server description explicitly states it enables 'creating' instances.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

create_instance Rate-limited

create_instance 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": {
      "limits": [
        {
          "counter": "create_instance_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 call is checked against it from then on.

FAQ

Questions about create_instance

What does the create_instance tool do? +

create_instance is a write tool on the Linode MCP Server MCP server. 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? +

Register the Linode MCP Server MCP server in PolicyLayer and add a rule for create_instance: 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? +

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

Can I rate-limit create_instance? +

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

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

create_instance is provided by the Linode MCP Server MCP server (komer3/linode-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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