add_paragraph · Docx MCP: Risk & Policy

WHAT IT DOES

What add_paragraph does on Docx

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

WHY IT NEEDS A POLICY

Why add_paragraph needs a policy

Adding a paragraph to a document is a reversible write operation that creates or modifies data without destroying information. The blast radius is medium because a compromised agent could inject malicious content, spam, or misleading text into documents, but the effects are recoverable through undo/editing. Not destructive since the operation is reversible and doesn't permanently delete data.

From the tool's definition Tool name 'add_paragraph' combined with server description stating it 'enables AI agents to read, edit, and create Microsoft Word documents' and the sibling tools including write operations like 'add_heading', 'add_table', 'create_new_document', and…

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

add_paragraph Rate-limited

add_paragraph 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_paragraph": {
      "limits": [
        {
          "counter": "add_paragraph_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 Docx, so you can run agents against it safely.

FAQ

Questions about add_paragraph

What does the add_paragraph tool do? +

Add a text paragraph. It is categorised as a Write tool in the Docx 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_paragraph? +

Register the Docx MCP server in PolicyLayer and add a rule for add_paragraph: 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 Docx. Nothing to install.

What risk level is add_paragraph? +

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

Can I rate-limit add_paragraph? +

Yes. Add a rate_limit block to the add_paragraph 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_paragraph completely? +

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

add_paragraph is provided by the Docx MCP server (okamifeng/docx-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.