pbir_set_page_background · Power BI Report MCP Server MCP

WHAT IT DOES

What pbir_set_page_background does on Power BI Report MCP Server

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

WHY IT NEEDS A POLICY

Why pbir_set_page_background needs a policy

This tool modifies report metadata/styling in a reversible manner—changing page background colors and transparency. It creates or alters visual presentation settings without deleting data or executing arbitrary code. The changes are easily undoable (revert to prior background). This is a classic Write operation (modifies report state).

From the tool's definition Tool name 'pbir_set_page_background' and description 'Set the page canvas background and/or wallpaper' indicate modification of report presentation properties (background color via hex values, transparency settings).

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

pbir_set_page_background Rate-limited

pbir_set_page_background 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_set_page_background": {
      "limits": [
        {
          "counter": "pbir_set_page_background_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 Report MCP Server, so you can run agents against it safely.

FAQ

Questions about pbir_set_page_background

What does the pbir_set_page_background tool do? +

Set the page canvas background and/or wallpaper. Hex color (#0D1117). Transparency 0-100. It is categorised as a Write tool in the Power BI Report 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_set_page_background? +

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

What risk level is pbir_set_page_background? +

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

Can I rate-limit pbir_set_page_background? +

Yes. Add a rate_limit block to the pbir_set_page_background 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_set_page_background completely? +

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

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