pbir_update_page_size · Power BI Report MCP Server MCP

WHAT IT DOES

What pbir_update_page_size does on Power BI Report MCP Server

AI agents use pbir_update_page_size 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_update_page_size needs a policy

This tool modifies report metadata (page size/dimensions) which is a reversible change to the PBIR file structure. It does not delete data, execute code, or move money. The impact is limited to report layout configuration and can be undone by updating dimensions again.

From the tool's definition Tool name 'pbir_update_page_size' and description 'Update the page dimensions' indicate modification of report page properties. The verb 'update' and 'page dimensions' are reversible configuration changes to a Power BI report file.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

pbir_update_page_size Rate-limited

pbir_update_page_size 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_update_page_size": {
      "limits": [
        {
          "counter": "pbir_update_page_size_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_update_page_size

What does the pbir_update_page_size tool do? +

Update the page dimensions. 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_update_page_size? +

Register the Power BI Report MCP Server MCP server in PolicyLayer and add a rule for pbir_update_page_size: 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_update_page_size? +

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

Can I rate-limit pbir_update_page_size? +

Yes. Add a rate_limit block to the pbir_update_page_size 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_update_page_size completely? +

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

pbir_update_page_size 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.