generate_html_report · Microsoft 365 Core MCP Server MCP

WHAT IT DOES

What generate_html_report does on Microsoft 365 Core MCP Server

AI agents use generate_html_report to create or update resources in Microsoft 365 Core MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Microsoft 365 Core MCP Server environment.

WHY IT NEEDS A POLICY

Why generate_html_report needs a policy

This tool creates new HTML report files and dashboard objects, which is a reversible write operation. It does not execute code or scripts, delete data, or move money. The severity is medium rather than low because reports generated in Microsoft 365 environments could be shared with unauthorized parties or used to exfiltrate data if an AI agent misuses the tool to create reports containing sensitive information, and…

From the tool's definition Tool description states it will 'Create interactive HTML reports and dashboards' - the word 'Create' indicates data generation/writing. The tool generates new report artifacts rather than retrieving existing data or executing external operations.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

generate_html_report Rate-limited

generate_html_report 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": {
    "generate_html_report": {
      "limits": [
        {
          "counter": "generate_html_report_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 Microsoft 365 Core MCP Server, so you can run agents against it safely.

FAQ

Questions about generate_html_report

What does the generate_html_report tool do? +

Create interactive HTML reports and dashboards with responsive design, charts, and filtering capabilities. It is categorised as a Write tool in the Microsoft 365 Core MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on generate_html_report? +

Register the Microsoft 365 Core MCP Server MCP server in PolicyLayer and add a rule for generate_html_report: 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 Microsoft 365 Core MCP Server. Nothing to install.

What risk level is generate_html_report? +

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

Can I rate-limit generate_html_report? +

Yes. Add a rate_limit block to the generate_html_report 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 generate_html_report completely? +

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

generate_html_report is provided by the Microsoft 365 Core MCP Server MCP server (roycedamien/m365-core-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.