Medium Risk

create_drive_folder_tool

Create a new folder in Google Drive.

How to control create_drive_folder_tool ↓

What create_drive_folder_tool does on Apps Script MCP

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

Medium Risk

Why create_drive_folder_tool needs a policy

Creating a folder is a reversible write operation. It adds data/structure to Google Drive without executing code, triggering external operations, moving money, or permanently destroying data. The severity is medium because an AI agent could spam folder creation, consume storage quota, or clutter a user's Drive, but the action is easily undoable by deleting the folder.

From the tool's definition Tool name is 'create_drive_folder_tool' and description states 'Create a new folder in Google Drive' — this is a create operation that modifies the state of Google Drive by adding a new folder.

Documented attack patterns abuse exactly the kind of access create_drive_folder_tool gives an agent:

How to control create_drive_folder_tool

PolicyLayer is an MCP gateway — it sits between your AI agents and Apps Script MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for create_drive_folder_tool:

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "create_drive_folder_tool": {
      "limits": [
        {
          "counter": "create_drive_folder_tool_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

create_drive_folder_tool 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.

  1. Create a free account and register Apps Script MCP — nothing to install.
  2. Add this policy — paste it, or build it visually.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
LIMIT THIS TOOL →

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Related tools and policies

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Questions about create_drive_folder_tool

What does the create_drive_folder_tool tool do? +

Create a new folder in Google Drive. It is categorised as a Write tool in the Apps Script MCP 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_drive_folder_tool? +

Register the Apps Script MCP server in PolicyLayer and add a rule for create_drive_folder_tool: 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 Apps Script MCP. Nothing to install.

What risk level is create_drive_folder_tool? +

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

Can I rate-limit create_drive_folder_tool? +

Yes. Add a rate_limit block to the create_drive_folder_tool 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_drive_folder_tool completely? +

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

create_drive_folder_tool is provided by the Apps Script MCP server (sam-ent/google-automation-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Apps Script MCP tool call.

Start from Apps Script MCP, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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60 Apps Script MCP tools catalogued and risk-classified — across an index of 43,000+ MCP servers.

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