create_sheet_tab · Google Workspace MCP Server MCP

WHAT IT DOES

What create_sheet_tab does on Google Workspace MCP Server

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

WHY IT NEEDS A POLICY

Why create_sheet_tab needs a policy

This tool creates new worksheet tabs within an existing Google Sheet, which is a reversible write operation. It adds data structure but does not delete, execute arbitrary code, or cause financial transactions. The severity is medium because misuse could create excessive tabs or disrupt spreadsheet organization, but the impact is easily reversible through deletion or undo operations.

From the tool's definition Tool description states 'Create a new tab/worksheet in an existing spreadsheet', which is a create operation that adds new structure to a spreadsheet document.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_sheet_tab Rate-limited

create_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": {
    "create_sheet_tab": {
      "limits": [
        {
          "counter": "create_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 Workspace MCP Server, so you can run agents against it safely.

FAQ

Questions about create_sheet_tab

What does the create_sheet_tab tool do? +

Create a new tab/worksheet in an existing spreadsheet. It is categorised as a Write tool in the Google Workspace 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 create_sheet_tab? +

Register the Google Workspace MCP Server MCP server in PolicyLayer and add a rule for create_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 Workspace MCP Server. Nothing to install.

What risk level is create_sheet_tab? +

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

Can I rate-limit create_sheet_tab? +

Yes. Add a rate_limit block to the create_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 create_sheet_tab completely? +

Set action: deny in the PolicyLayer policy for create_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 create_sheet_tab? +

create_sheet_tab is provided by the Google Workspace MCP Server MCP server (pbulbule13/google-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.