insert_rows

What insert_rows does on Cowork Bench

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

Why insert_rows is rated Medium

This tool creates new data rows in an existing document/table structure. It is reversible (inserted rows can be deleted), so it falls under Write rather than Destructive. The severity is medium because inserting rows can disrupt document structure and data integrity if misused by an agent, but the operation is not irreversible and does not involve deletion or financial impact.

From the tool's definition Tool name 'insert_rows' and description 'Insert one or more rows starting at the specified row' indicate data creation/modification. The verb 'insert' is a classic write operation that adds new rows to a data structure (likely a spreadsheet or table).

The rule that runs insert_rows safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Cowork Bench, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For insert_rows, this is the rule to start with:

{
  "version": "1",
  "default": "deny",
  "tools": {
    "insert_rows": {
      "limits": [
        {
          "counter": "insert_rows_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

Questions about insert_rows