copy_range

Copy a range of cells to another location.

SERVERCowork Bench SOURCE0717376/cowork_bench

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/cowork-bench/copy-range.md

WHAT IT DOES

What copy_range does on Cowork Bench

AI agents use copy_range 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.

RISK

Why copy_range is rated Medium

Copying cell ranges creates duplicated data at a new location, which is a reversible write operation. It does not delete data (would be Destructive), execute arbitrary code (would be Execute), or involve financial transactions. The severity is medium because unintended duplication of sensitive data could impact data integrity and confidentiality, though the action is reversible.

From the tool's definition Tool name is 'copy_range' and description states 'Copy a range of cells to another location.' This involves copying data from one location to another, which is a data modification/creation action.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs copy_range 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 copy_range, this is the rule to start with:

copy_range Rate-limited

copy_range 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": {
    "copy_range": {
      "limits": [
        {
          "counter": "copy_range_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Cowork Bench, apply this rule, and every copy_range call is checked against it from then on.

FAQ

Questions about copy_range

What does the copy_range tool do? +

Copy a range of cells to another location. It is categorised as a Write tool in the Cowork Bench MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on copy_range? +

Register the Cowork Bench MCP server in PolicyLayer and add a rule for copy_range: 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 Cowork Bench. Nothing to install.

What risk level is copy_range? +

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

Can I rate-limit copy_range? +

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

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

copy_range is provided by the Cowork Bench MCP server (0717376/cowork_bench). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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