set_excel_col_width · Office MCP Server MCP: Risk & Policy

WHAT IT DOES

What set_excel_col_width does on Office MCP Server

AI agents use set_excel_col_width 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 set_excel_col_width needs a policy

Setting column width modifies Excel document formatting in a reversible manner—the change can be undone by setting a different width or using undo functionality. This is a Write operation, not destructive, as it does not permanently delete or overwrite data. Severity is medium because unintended column width modifications could affect document usability and appearance but do not destroy data or cause external harm.

From the tool's definition Tool name 'set_excel_col_width' and description '设置 Excel 列宽' (Set Excel column width) indicate modification of spreadsheet formatting properties.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

set_excel_col_width Rate-limited

set_excel_col_width 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": {
    "set_excel_col_width": {
      "limits": [
        {
          "counter": "set_excel_col_width_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

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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 set_excel_col_width

What does the set_excel_col_width tool do? +

设置 Excel 列宽. 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 set_excel_col_width? +

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

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

Can I rate-limit set_excel_col_width? +

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

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

set_excel_col_width 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.