hide_excel_cols · Office MCP Server MCP: Risk & Policy

WHAT IT DOES

What hide_excel_cols does on Office MCP Server

AI agents use hide_excel_cols 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 hide_excel_cols needs a policy

Hiding columns is a reversible modification of spreadsheet formatting/metadata. It does not delete data, execute external code, create financial transactions, or have destructive effects. The action can be undone by unhiding columns. This falls squarely into the Write category as it modifies document state in a non-destructive manner.

From the tool's definition Tool name 'hide_excel_cols' and description '隐藏 Excel 列' (hide Excel columns) indicates a column visibility modification operation on spreadsheets.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

hide_excel_cols Rate-limited

hide_excel_cols 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": {
    "hide_excel_cols": {
      "limits": [
        {
          "counter": "hide_excel_cols_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 hide_excel_cols

What does the hide_excel_cols tool do? +

隐藏 Excel 列. 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 hide_excel_cols? +

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

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

Can I rate-limit hide_excel_cols? +

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

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

hide_excel_cols 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.