gcp_iam_create_service_account

Create a new service account

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-iam-create-service-account.md

WHAT IT DOES

What gcp_iam_create_service_account does on GCP MCP Server

AI agents use gcp_iam_create_service_account 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_iam_create_service_account is rated Medium

Creating a service account is a reversible write operation that establishes a new authentication principal in GCP. While reversible via deletion, it enables unauthorized AI agents to create credentials for persistent access, establish lateral movement paths, or escalate privileges. The blast radius is significant in a multi-tenant or compromised environment, justifying 'high' severity.

From the tool's definition Tool name explicitly states 'create_service_account' and description confirms it 'Create a new service account'. This is a write operation that creates a new identity resource in GCP.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

gcp_iam_create_service_account Rate-limited

gcp_iam_create_service_account 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_iam_create_service_account": {
      "limits": [
        {
          "counter": "gcp_iam_create_service_account_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_iam_create_service_account call is checked against it from then on.

FAQ

Questions about gcp_iam_create_service_account

What does the gcp_iam_create_service_account tool do? +

Create a new service account. 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_iam_create_service_account? +

Register the GCP MCP Server MCP server in PolicyLayer and add a rule for gcp_iam_create_service_account: 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_iam_create_service_account? +

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

Can I rate-limit gcp_iam_create_service_account? +

Yes. Add a rate_limit block to the gcp_iam_create_service_account 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_iam_create_service_account completely? +

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

gcp_iam_create_service_account 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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