add_word_comment · Office MCP Server MCP: Risk & Policy

WHAT IT DOES

What add_word_comment does on Office MCP Server

AI agents use add_word_comment 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 add_word_comment needs a policy

Adding comments to Word documents is a reversible write operation that creates metadata without modifying core document content. It does not execute code, delete data, move money, or cause irreversible changes. The blast radius is minimal—worst case, a user sees unwanted comments that can be easily removed. Severity is low due to non-destructive nature and limited impact.

From the tool's definition Tool name 'add_word_comment' and description '添加 Word 文档批注' (Add Word document comment) indicate insertion of comments into Word documents.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

add_word_comment Rate-limited

add_word_comment 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": {
    "add_word_comment": {
      "limits": [
        {
          "counter": "add_word_comment_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 add_word_comment

What does the add_word_comment tool do? +

添加 Word 文档批注. 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 add_word_comment? +

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

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

Can I rate-limit add_word_comment? +

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

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

add_word_comment 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.