gcp_vpc_create_subnetwork

Create a new subnetwork

SERVERGCP MCP Server SOURCEahmedselimmansor-ctrl/gcp_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/ahmedselimmansor-ctrl-gcp-mcp-server/gcp-vpc-create-subnetwork.md

WHAT IT DOES

What gcp_vpc_create_subnetwork does on GCP MCP Server

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

RISK

Why gcp_vpc_create_subnetwork is rated Medium

Creating a VPC subnetwork is a reversible infrastructure modification operation. It adds a new network resource but does not delete or execute arbitrary code. The blast radius is high because misconfigured subnetworks could expose resources or disrupt network connectivity, but the action itself is not destructive (can be deleted) and does not execute code or move money.

From the tool's definition The tool name is 'gcp_vpc_create_subnetwork' and the description states 'Create a new subnetwork'. The verb 'create' indicates data/infrastructure creation.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs gcp_vpc_create_subnetwork safely

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

gcp_vpc_create_subnetwork Rate-limited

gcp_vpc_create_subnetwork 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": {
    "gcp_vpc_create_subnetwork": {
      "limits": [
        {
          "counter": "gcp_vpc_create_subnetwork_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 GCP MCP Server, apply this rule, and every gcp_vpc_create_subnetwork call is checked against it from then on.

FAQ

Questions about gcp_vpc_create_subnetwork

What does the gcp_vpc_create_subnetwork tool do? +

Create a new subnetwork. It is categorised as a Write tool in the GCP 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 gcp_vpc_create_subnetwork? +

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

What risk level is gcp_vpc_create_subnetwork? +

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

Can I rate-limit gcp_vpc_create_subnetwork? +

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

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

gcp_vpc_create_subnetwork is provided by the GCP MCP Server MCP server (ahmedselimmansor-ctrl/gcp_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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