connect_powerbi · PBIXRay MCP Server MCP: Risk & Policy

WHAT IT DOES

What connect_powerbi does on PBIXRay MCP Server

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

WHY IT NEEDS A POLICY

Why connect_powerbi needs a policy

This tool authenticates with Azure AD and caches an access token. It creates/writes a cached credential state. It has no destructive effects but does establish access that can be misused. 'Cache an access token' is a write/state-modification action. Financial or destructive abuse is indirect at best; the primary action is writing an authentication token to local state.

From the tool's definition Authenticate with Azure AD (service principal) and cache an access token

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

connect_powerbi Rate-limited

connect_powerbi 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": {
    "connect_powerbi": {
      "limits": [
        {
          "counter": "connect_powerbi_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 PBIXRay MCP Server, so you can run agents against it safely.

FAQ

Questions about connect_powerbi

What does the connect_powerbi tool do? +

Authenticate with Azure AD (service principal) and cache an access token. It is categorised as a Write tool in the PBIXRay 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 connect_powerbi? +

Register the PBIXRay MCP Server MCP server in PolicyLayer and add a rule for connect_powerbi: 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 PBIXRay MCP Server. Nothing to install.

What risk level is connect_powerbi? +

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

Can I rate-limit connect_powerbi? +

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

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

connect_powerbi is provided by the PBIXRay MCP Server MCP server (ngoc0610/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.