sheets_copy_to · MCP Google Sheets Server MCP: Risk & Policy

WHAT IT DOES

What sheets_copy_to does on MCP Google Sheets Server

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

WHY IT NEEDS A POLICY

Why sheets_copy_to needs a policy

The tool creates or duplicates data in a target Google Sheets spreadsheet. While the source sheet remains unchanged, the copy operation modifies the destination spreadsheet by adding new sheet content. This is reversible (the copied sheet can be deleted), making it a Write rather than Destructive action.

From the tool's definition Tool name 'sheets_copy_to' and description 'Copy a sheet to another Google Sheets spreadsheet' indicate creation/replication of data in a destination spreadsheet. This is a reversible write operation.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

sheets_copy_to Rate-limited

sheets_copy_to 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": {
    "sheets_copy_to": {
      "limits": [
        {
          "counter": "sheets_copy_to_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 MCP Google Sheets Server, so you can run agents against it safely.

FAQ

Questions about sheets_copy_to

What does the sheets_copy_to tool do? +

Copy a sheet to another Google Sheets spreadsheet. It is categorised as a Write tool in the MCP Google Sheets 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 sheets_copy_to? +

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

What risk level is sheets_copy_to? +

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

Can I rate-limit sheets_copy_to? +

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

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

sheets_copy_to is provided by the MCP Google Sheets Server MCP server (oregpt/agenticledger_mcp_sheetsonly). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.