list_vpc_subnets

List all subnets in a VPC

SERVERLinode MCP Server SOURCEtakashito/linode-mcp-server

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/takashito-linode-mcp-server/list-vpc-subnets.md

WHAT IT DOES

What list_vpc_subnets does on Linode MCP Server

AI agents call list_vpc_subnets to retrieve information from Linode MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why list_vpc_subnets is rated Low

This tool queries and retrieves information about existing VPC subnets without creating, modifying, deleting, or executing any operations. It is a read-only information retrieval operation with minimal blast radius if misused—worst case, an AI agent gains visibility into network topology but cannot make infrastructure changes.

From the tool's definition Tool name 'list_vpc_subnets' and description 'List all subnets in a VPC' indicate a retrieval/query operation with no side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

list_vpc_subnets Allowed

list_vpc_subnets is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "list_vpc_subnets": {}
  }
}

ALLOW ONLY 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 list_vpc_subnets call is checked against it from then on.

FAQ

Questions about list_vpc_subnets

What does the list_vpc_subnets tool do? +

List all subnets in a VPC. It is categorised as a Read tool in the Linode MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_vpc_subnets? +

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

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

Can I rate-limit list_vpc_subnets? +

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

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

list_vpc_subnets 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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