List available visual types. Default returns slim type list (~150 tokens). Pass verbose:true for per-type data-role bucket metadata (~1,200 tokens).
AI agents call pbir_get_visual_types to retrieve information from Power BI Report MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and returns information about visual types and their metadata from the Power BI PBIR format. It has no side effects, does not modify data, and does not execute arbitrary code or trigger external operations. The 'verbose' parameter only controls the depth of returned information, not any mutation or execution. This is clearly a retrieval operation with no blast radius if misused by an AI agent.
From the tool's definition Tool name 'pbir_get_visual_types' and description 'List available visual types' indicate a read-only operation that retrieves metadata about available visualizations without modifying any data or executing code.
Attacks that exploit this kind of access
List available visual types. Default returns slim type list (~150 tokens). Pass verbose:true for per-type data-role bucket metadata (~1,200 tokens). It is categorised as a Read tool in the Power BI Report MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Power BI Report MCP Server MCP server in PolicyLayer and add a rule for pbir_get_visual_types: 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.
pbir_get_visual_types is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the pbir_get_visual_types 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.
Set action: deny in the PolicyLayer policy for pbir_get_visual_types. 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.
pbir_get_visual_types 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.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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