Delete a visual calculation by name (get name from pbir_list_visual_calculations).
AI agents call pbir_delete_visual_calculation to permanently remove resources in Power BI Report MCP Server — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
This tool removes a visual calculation from a PBIR file without reversibility. While the blast radius is limited to a single report artifact (not system-wide or financial), deletion of report calculations can corrupt dependent visuals or require manual reconstruction of complex business logic.
From the tool's definition Tool name 'pbir_delete_visual_calculation' and description 'Delete a visual calculation by name' explicitly perform irreversible deletion of a defined calculation object within a Power BI report file.
Attacks that exploit this kind of access
Delete a visual calculation by name (get name from pbir_list_visual_calculations). It is categorised as a Destructive tool in the Power BI Report MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Power BI Report MCP Server MCP server in PolicyLayer and add a rule for pbir_delete_visual_calculation: 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_delete_visual_calculation is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the pbir_delete_visual_calculation 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_delete_visual_calculation. 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_delete_visual_calculation 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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