copy_fill_excel · Office MCP Server MCP: Risk & Policy

WHAT IT DOES

What copy_fill_excel does on Office MCP Server

AI agents use copy_fill_excel 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_fill_excel needs a policy

This tool modifies Excel spreadsheet data by copying and filling cells, which is a reversible Write operation. It does not delete data (not Destructive), does not execute arbitrary code (not Execute), and does not involve financial transactions (not Financial).

From the tool's definition Tool name 'copy_fill_excel' and server description indicate the tool creates or modifies Excel data through fill/copy operations. The Chinese description '复制填充' translates to 'copy fill', which is a data modification operation in Excel.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

copy_fill_excel Rate-limited

copy_fill_excel 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_fill_excel": {
      "limits": [
        {
          "counter": "copy_fill_excel_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_fill_excel

What does the copy_fill_excel tool do? +

Excel 复制填充. 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_fill_excel? +

Register the Office MCP Server MCP server in PolicyLayer and add a rule for copy_fill_excel: 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_fill_excel? +

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

Can I rate-limit copy_fill_excel? +

Yes. Add a rate_limit block to the copy_fill_excel 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_fill_excel completely? +

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

copy_fill_excel 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.