insert_bar_chart

Insert a native bar chart (no Excel required).

SERVERDocx SOURCEsecurityronin/docx-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/securityronin-docx-mcp/insert-bar-chart.md

WHAT IT DOES

What insert_bar_chart does on Docx

AI agents use insert_bar_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.

RISK

Why insert_bar_chart is rated Medium

This tool creates or adds a new chart object to a Word document, modifying the document's content in a reversible manner. This is a Write operation—it does not execute arbitrary code, delete data, or move money. The severity is medium because uncontrolled chart insertion could degrade document integrity or consume resources, but the operation is reversible through undo or deletion.

From the tool's definition Tool name 'insert_bar_chart' and description 'Insert a native bar chart' indicate creation of new content within the document.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs insert_bar_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_bar_chart, this is the rule to start with:

insert_bar_chart Rate-limited

insert_bar_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.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "insert_bar_chart": {
      "limits": [
        {
          "counter": "insert_bar_chart_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Docx, apply this rule, and every insert_bar_chart call is checked against it from then on.

FAQ

Questions about insert_bar_chart

What does the insert_bar_chart tool do? +

Insert a native bar chart (no Excel required). 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 insert_bar_chart? +

Register the Docx MCP server in PolicyLayer and add a rule for insert_bar_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.

What risk level is insert_bar_chart? +

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

Can I rate-limit insert_bar_chart? +

Yes. Add a rate_limit block to the insert_bar_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.

How do I block insert_bar_chart completely? +

Set action: deny in the PolicyLayer policy for insert_bar_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.

What MCP server provides insert_bar_chart? +

insert_bar_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.

KEEP EXPLORING

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Guides

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