freeze_rows_columns · Google Connections MCP: Risk & Policy

WHAT IT DOES

What freeze_rows_columns does on Google Connections

AI agents use freeze_rows_columns 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 freeze_rows_columns needs a policy

Freezing rows/columns is a write operation that modifies worksheet configuration reversibly. It does not delete, execute code, move money, or trigger external operations. The change is easily undoable by unfreezing, placing it in the Write category with low severity due to minimal blast radius—affects only formatting preferences, not data integrity or critical operations.

From the tool's definition Tool name 'freeze_rows_columns' and description 'Freeze rows and/or columns in a worksheet' indicates modification of worksheet formatting/state in Google Sheets. This is a reversible, non-destructive change to display settings.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

freeze_rows_columns Rate-limited

freeze_rows_columns 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": {
    "freeze_rows_columns": {
      "limits": [
        {
          "counter": "freeze_rows_columns_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 freeze_rows_columns

What does the freeze_rows_columns tool do? +

Freeze rows and/or columns in a worksheet. 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 freeze_rows_columns? +

Register the Google Connections MCP server in PolicyLayer and add a rule for freeze_rows_columns: 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 freeze_rows_columns? +

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

Can I rate-limit freeze_rows_columns? +

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

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

freeze_rows_columns 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.