This record as markdown: /tools/securityronin-docx-mcp/insert-line-chart.md
What insert_line_chart does on Docx
AI agents use insert_line_chart 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_line_chart is rated Medium
Inserting a chart modifies the document by adding new elements, making it a Write operation (creates/modifies data reversibly). It is not Read (no data retrieval), not Execute/Destructive (chart insertion is a standard document modification that can be undone), and not Financial.
From the tool's definition Tool description states 'Insert a native line chart' — this creates new chart object(s) within the document, modifying its structure and content.
Attacks that exploit this kind of access
The rule that runs insert_line_chart 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_line_chart, this is the rule to start with:
insert_line_chart 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_line_chart call is checked against it from then on.
Questions about insert_line_chart
Insert a native line chart. 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_line_chart: 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_line_chart 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_line_chart 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_line_chart. 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_line_chart 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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