replace_text_in_word · Office MCP Server MCP: Risk & Policy

WHAT IT DOES

What replace_text_in_word does on Office MCP Server

AI agents use replace_text_in_word 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 replace_text_in_word needs a policy

The tool performs text replacement in Word documents, which is a reversible modification operation (Write category). While the description is empty, the tool name combined with server context and sibling tools clearly indicate document editing capability. Severity is medium because bulk or incorrect replacements could corrupt document content, but the changes are undoable via undo functionality or document recovery.

From the tool's definition Tool name 'replace_text_in_word' indicates modification of Word document content. Server description states it 'enables creating, editing, and processing Word, Excel, and PowerPoint documents' through natural language.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

replace_text_in_word Rate-limited

replace_text_in_word 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": {
    "replace_text_in_word": {
      "limits": [
        {
          "counter": "replace_text_in_word_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 replace_text_in_word

What does the replace_text_in_word tool do? +

replace_text_in_word. 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 replace_text_in_word? +

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

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

Can I rate-limit replace_text_in_word? +

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

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

replace_text_in_word 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.