merge_word_documents · Office MCP Server MCP: Risk & Policy

WHAT IT DOES

What merge_word_documents does on Office MCP Server

AI agents use merge_word_documents 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 merge_word_documents needs a policy

Merging documents creates a new combined document or modifies existing ones, which constitutes reversible data modification. This is a Write operation (not Destructive, as the original documents remain and the action is reversible).

From the tool's definition Tool name 'merge_word_documents' and description '合并多个 Word 文档' (merge multiple Word documents) indicate the tool combines/modifies document content. Server description confirms tools enable 'creating, editing, and processing' Office documents.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

merge_word_documents Rate-limited

merge_word_documents 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": {
    "merge_word_documents": {
      "limits": [
        {
          "counter": "merge_word_documents_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 merge_word_documents

What does the merge_word_documents tool do? +

合并多个 Word 文档. 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 merge_word_documents? +

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

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

Can I rate-limit merge_word_documents? +

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

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

merge_word_documents 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.