format_report_html · Report Builder MCP Server MCP

WHAT IT DOES

What format_report_html does on Report Builder MCP Server

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

WHY IT NEEDS A POLICY

Why format_report_html needs a policy

This tool creates or generates formatted HTML reports from existing agent output. It does not retrieve data (Read), execute external operations or code (Execute), delete data (Destructive), or move money (Financial). The risk is low because formatting/styling HTML documents has minimal blast radius—the output is a static document representation.

From the tool's definition Tool description states it "Formats agent output as a professional HTML report with sections, styling, and proper structure." The verb "formats" indicates data creation/modification. The output is HTML document generation.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

format_report_html Rate-limited

format_report_html 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": {
    "format_report_html": {
      "limits": [
        {
          "counter": "format_report_html_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 Report Builder MCP Server, so you can run agents against it safely.

FAQ

Questions about format_report_html

What does the format_report_html tool do? +

Formats agent output as a professional HTML report with sections, styling, and proper structure. It is categorised as a Write tool in the Report Builder 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 format_report_html? +

Register the Report Builder MCP Server MCP server in PolicyLayer and add a rule for format_report_html: 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 Report Builder MCP Server. Nothing to install.

What risk level is format_report_html? +

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

Can I rate-limit format_report_html? +

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

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

format_report_html is provided by the Report Builder MCP Server MCP server (nathanwolfe2208/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.