This record as markdown: /tools/securityronin-docx-mcp/update-paragraph.md
What update_paragraph does on Docx
AI agents use update_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 update_paragraph is rated Medium
This tool modifies document content reversibly (paragraphs can be edited again or deleted), consistent with Write category. Severity is medium because uncontrolled modifications to documents could corrupt content or overwrite important text, but the effect is confined to a single document and fully reversible.
From the tool's definition Tool name 'update_paragraph' paired with server purpose of 'creating and editing Microsoft Word (.docx) documents'. Sibling tools include add_paragraph, add_heading, add_table—all Write operations.
Attacks that exploit this kind of access
The rule that runs update_paragraph safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Docx, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For update_paragraph, this is the rule to start with:
update_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.
The button opens the PolicyLayer dashboard: create your workspace, connect Docx, apply this rule, and every update_paragraph call is checked against it from then on.
Questions about update_paragraph
update_paragraph is a write tool on the Docx MCP server. 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.
Register the Docx MCP server in PolicyLayer and add a rule for update_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.
update_paragraph is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the update_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.
Set action: deny in the PolicyLayer policy for update_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.
update_paragraph is provided by the Docx MCP server (securityronin/docx-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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