addSpreadsheetSheet · Google Workspace MCP Server MCP

WHAT IT DOES

What addSpreadsheetSheet does on Google Workspace MCP Server

AI agents use addSpreadsheetSheet 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 addSpreadsheetSheet needs a policy

This tool creates a new sheet/tab, which is a reversible modification of spreadsheet structure. It does not delete data (not Destructive), does not execute arbitrary code (not Execute), involves no financial transactions (not Financial), and is not a simple read operation (not Read). The impact is localized to a single spreadsheet's structure with low blast radius if misused by an AI agent.

From the tool's definition Tool name 'addSpreadsheetSheet' and description 'Adds a new sheet/tab to an existing Google Spreadsheet' indicate creation of new structured data within a spreadsheet.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

addSpreadsheetSheet Rate-limited

addSpreadsheetSheet 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": {
    "addSpreadsheetSheet": {
      "limits": [
        {
          "counter": "addspreadsheetsheet_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 addSpreadsheetSheet

What does the addSpreadsheetSheet tool do? +

Adds a new sheet/tab to an existing Google 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 addSpreadsheetSheet? +

Register the Google Workspace MCP Server MCP server in PolicyLayer and add a rule for addSpreadsheetSheet: 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 addSpreadsheetSheet? +

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

Can I rate-limit addSpreadsheetSheet? +

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

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

addSpreadsheetSheet is provided by the Google Workspace MCP Server MCP server (pm990320/google-workspace-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.