This record as markdown: /tools/securityronin-docx-mcp/insert-if-field.md
What insert_if_field does on Docx
AI agents use insert_if_field 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 insert_if_field is rated Medium
The tool operates on a document editing MCP server explicitly designed for 'editing' Word documents. Insert operations on document fields are Write-category actions: they create/modify content reversibly.
From the tool's definition Tool named 'insert_if_field' on a Word document editing server with sibling tools like 'add_comment', 'add_bookmark', 'add_equation' that all perform document modifications.
Attacks that exploit this kind of access
The rule that runs insert_if_field 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 insert_if_field, this is the rule to start with:
insert_if_field 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 insert_if_field call is checked against it from then on.
Questions about insert_if_field
insert_if_field 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 insert_if_field: 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.
insert_if_field 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 insert_if_field 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 insert_if_field. 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.
insert_if_field 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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