pbir_set_report_theme · Power BI Report MCP Server MCP

WHAT IT DOES

What pbir_set_report_theme does on Power BI Report MCP Server

AI agents use pbir_set_report_theme 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_report_theme needs a policy

This tool modifies Power BI report metadata (theme/styling) in a way that is reversible—themes can be changed, overwritten, or reverted without permanently destroying data or triggering irreversible side effects. It does not execute arbitrary code, delete data, or move money.

From the tool's definition Tool name 'pbir_set_report_theme' and description 'Apply a custom JSON theme' indicate the tool modifies report styling configuration.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

pbir_set_report_theme Rate-limited

pbir_set_report_theme 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_report_theme": {
      "limits": [
        {
          "counter": "pbir_set_report_theme_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_report_theme

What does the pbir_set_report_theme tool do? +

Apply a custom JSON theme. Hex colors. dataColors 6-12 values. visualStyles keyed by visualType or. 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_report_theme? +

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

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

Can I rate-limit pbir_set_report_theme? +

Yes. Add a rate_limit block to the pbir_set_report_theme 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_report_theme completely? +

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

pbir_set_report_theme 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.