gdrive_add_sheet_tab · Google Drive MCP Server MCP

WHAT IT DOES

What gdrive_add_sheet_tab does on Google Drive MCP Server

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

WHY IT NEEDS A POLICY

Why gdrive_add_sheet_tab needs a policy

The server is described as 'read-only', yet this tool performs a creation operation—adding a new sheet tab to a spreadsheet is a reversible write action that modifies the structure and content of the spreadsheet. The tool does not delete, overwrite irreversibly, execute code, or move financial resources, so Write is the correct category.

From the tool's definition Tool name 'gdrive_add_sheet_tab' and description 'Add a new sheet tab to an existing Google Sheets spreadsheet' clearly indicate this creates a new sheet tab, which is a data modification operation.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

gdrive_add_sheet_tab Rate-limited

gdrive_add_sheet_tab 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": {
    "gdrive_add_sheet_tab": {
      "limits": [
        {
          "counter": "gdrive_add_sheet_tab_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Google Drive MCP Server, so you can run agents against it safely.

FAQ

Questions about gdrive_add_sheet_tab

What does the gdrive_add_sheet_tab tool do? +

Add a new sheet tab to an existing Google Sheets spreadsheet. It is categorised as a Write tool in the Google Drive 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 gdrive_add_sheet_tab? +

Register the Google Drive MCP Server MCP server in PolicyLayer and add a rule for gdrive_add_sheet_tab: 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 Google Drive MCP Server. Nothing to install.

What risk level is gdrive_add_sheet_tab? +

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

Can I rate-limit gdrive_add_sheet_tab? +

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

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

gdrive_add_sheet_tab is provided by the Google Drive MCP Server MCP server (wagnerlabs/gdrive-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.