copy_excel_workbook · Office MCP Server MCP: Risk & Policy

WHAT IT DOES

What copy_excel_workbook does on Office MCP Server

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

WHY IT NEEDS A POLICY

Why copy_excel_workbook needs a policy

Copying a workbook creates a new file or modifies the file system state by duplicating data. This is a reversible write operation—the original remains intact and the action can be undone by deleting the copy. It does not irreversibly delete data (thus not Destructive), does not execute arbitrary code (thus not Execute), and does not move money (thus not Financial).

From the tool's definition Tool name 'copy_excel_workbook' combined with server description stating it enables 'creating, editing, and processing' Office documents. The Chinese description '复制 Excel 工作簿' translates to 'copy Excel workbook,' which is a file duplication operation.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

copy_excel_workbook Rate-limited

copy_excel_workbook 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_excel_workbook": {
      "limits": [
        {
          "counter": "copy_excel_workbook_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 Office MCP Server, so you can run agents against it safely.

FAQ

Questions about copy_excel_workbook

What does the copy_excel_workbook tool do? +

复制 Excel 工作簿. It is categorised as a Write tool in the Office MCP 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 copy_excel_workbook? +

Register the Office MCP Server MCP server in PolicyLayer and add a rule for copy_excel_workbook: 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 Office MCP Server. Nothing to install.

What risk level is copy_excel_workbook? +

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

Can I rate-limit copy_excel_workbook? +

Yes. Add a rate_limit block to the copy_excel_workbook 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_excel_workbook completely? +

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

copy_excel_workbook is provided by the Office MCP Server MCP server (walkingzzzy/office-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.