Medium Risk

rename_worksheet

重命名Excel工作簿中的工作表。 Args: file_path: Excel工作簿的完整路径或相对于输出目录的路径 old_name: 要重命名的工作表当前名称 new_name: 工作表的新名称 Returns: 操作结果信息

How to control rename_worksheet ↓

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

Medium Risk

Renaming a worksheet is a reversible write operation—it changes metadata within a document but does not delete data, execute code, or cause permanent damage. The modification can be easily undone by renaming again. While it modifies a document, the change is not destructive or irreversible.

From the tool's definition The tool description states it renames worksheets in Excel workbooks (重命名Excel工作簿中的工作表). This modifies document structure and content metadata.

Documented attack patterns abuse exactly the kind of access rename_worksheet gives an agent:

PolicyLayer is an MCP gateway — it sits between your AI agents and Office Editor, and nothing reaches the server without passing your rules. This is the rule we recommend for rename_worksheet:

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "rename_worksheet": {
      "limits": [
        {
          "counter": "rename_worksheet_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

rename_worksheet 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.

  1. Create a free account and register Office Editor — nothing to install.
  2. Add this policy — paste it, or build it visually.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
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Go deeper

What does the rename_worksheet tool do? +

重命名Excel工作簿中的工作表。 Args: file_path: Excel工作簿的完整路径或相对于输出目录的路径 old_name: 要重命名的工作表当前名称 new_name: 工作表的新名称 Returns: 操作结果信息. It is categorised as a Write tool in the Office Editor MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on rename_worksheet? +

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

What risk level is rename_worksheet? +

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

Can I rate-limit rename_worksheet? +

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

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

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

Enforce policy on every Office Editor tool call.

Deterministic rules across all 88 Office Editor tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

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88 Office Editor tools catalogued and risk-classified — across an index of 42,500+ MCP servers.

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