pbir_add_page · Power BI MCP Server MCP: Risk & Policy

WHAT IT DOES

What pbir_add_page does on Power BI MCP Server

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

WHY IT NEEDS A POLICY

Why pbir_add_page needs a policy

This tool creates and modifies report structure files (page.json and pages.json) within a Power BI project. This is a Write operation because it creates new content and modifies configuration files reversibly—pages can be deleted or modified later.

From the tool's definition The tool description explicitly states it "Add a new report page" and "Writes a schema-valid page.json and registers it in pages.json." These are create/modify operations on report structure files.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

pbir_add_page Rate-limited

pbir_add_page 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": {
    "pbir_add_page": {
      "limits": [
        {
          "counter": "pbir_add_page_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 Power BI MCP Server, so you can run agents against it safely.

FAQ

Questions about pbir_add_page

What does the pbir_add_page tool do? +

[PREVIEW] Add a new report page to the loaded PBIR-Enhanced PBIP project. Writes a schema-valid page.json and registers it in pages.json. Close Power BI Desktop before editing; reopen after. It is categorised as a Write tool in the Power BI 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 pbir_add_page? +

Register the Power BI MCP Server MCP server in PolicyLayer and add a rule for pbir_add_page: 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 Power BI MCP Server. Nothing to install.

What risk level is pbir_add_page? +

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

Can I rate-limit pbir_add_page? +

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

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

pbir_add_page is provided by the Power BI MCP Server MCP server (sulaiman013/powerbi-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.