Duplicate a sheet within the same spreadsheet. Args: - spreadsheet_id (string): The ID of the Google Spreadsheet - sheet_id (number): The ID of the sheet to duplicate (use sheets_get_spreadsheet to find sheet IDs) - new_sheet_name (string, optional): Name for the new sheet (defaults to
AI agents use sheets_duplicate_sheet to create or update resources in Google Workspace — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Google Workspace environment.
Duplicating a sheet creates a new copy of an existing sheet within a spreadsheet. This is a reversible write operation — the duplicate can be deleted afterward. It does not delete or overwrite existing data, execute code, or involve financial transactions.
From the tool's definition Duplicate a sheet within the same spreadsheet
Documented attack patterns abuse exactly the kind of access sheets_duplicate_sheet gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Google Workspace, and nothing reaches the server without passing your rules. This is the rule we recommend for sheets_duplicate_sheet:
{
"version": "1",
"default": "deny",
"tools": {
"sheets_duplicate_sheet": {
"limits": [
{
"counter": "sheets_duplicate_sheet_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
} sheets_duplicate_sheet 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.
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Duplicate a sheet within the same spreadsheet. Args: - spreadsheet_id (string): The ID of the Google Spreadsheet - sheet_id (number): The ID of the sheet to duplicate (use sheets_get_spreadsheet to find sheet IDs) - new_sheet_name (string, optional): Name for the new sheet (defaults to. It is categorised as a Write tool in the Google Workspace MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Google Workspace MCP server in PolicyLayer and add a rule for sheets_duplicate_sheet: 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. Nothing to install.
sheets_duplicate_sheet is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the sheets_duplicate_sheet 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.
Set action: deny in the PolicyLayer policy for sheets_duplicate_sheet. 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.
sheets_duplicate_sheet is provided by the Google Workspace MCP server (everyinc/google-workspace-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Google Workspace, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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34 Google Workspace tools catalogued and risk-classified — across an index of 43,000+ MCP servers.