add_worksheet · Google Connections MCP: Risk & Policy

WHAT IT DOES

What add_worksheet does on Google Connections

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

WHY IT NEEDS A POLICY

Why add_worksheet needs a policy

This tool creates a new worksheet, which is a reversible modification to a spreadsheet structure. It does not execute arbitrary code, delete data, move money, or retrieve sensitive information. The severity is medium because uncontrolled creation of worksheets could clutter spreadsheets or be used to obfuscate data organization, but the action is fully reversible by deleting the worksheet.

From the tool's definition Tool name 'add_worksheet' and description 'Add a new worksheet (tab) to an existing spreadsheet' indicate creation of a new data structure within a spreadsheet.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

add_worksheet Rate-limited

add_worksheet 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": {
    "add_worksheet": {
      "limits": [
        {
          "counter": "add_worksheet_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 Connections, so you can run agents against it safely.

FAQ

Questions about add_worksheet

What does the add_worksheet tool do? +

Add a new worksheet (tab) to an existing spreadsheet. It is categorised as a Write tool in the Google Connections MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on add_worksheet? +

Register the Google Connections MCP server in PolicyLayer and add a rule for add_worksheet: 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 Connections. Nothing to install.

What risk level is add_worksheet? +

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

Can I rate-limit add_worksheet? +

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

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

add_worksheet is provided by the Google Connections MCP server (michaelzrork/google-connections-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.