Create a new bookmark. The bookmark is created with an empty exploration state — open Power BI Desktop to capture the current view state into it.
AI agents use pbir_add_bookmark 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.
Creating a bookmark is a reversible modification to the Power BI report file: it adds metadata/state artifact but does not delete or overwrite existing data, nor execute arbitrary code or trigger external side effects. The operation can be undone by removing the bookmark.
From the tool's definition Tool description states 'Create a new bookmark' — a creation operation that modifies the PBIR file structure by adding a bookmark artifact.
Attacks that exploit this kind of access
Create a new bookmark. The bookmark is created with an empty exploration state — open Power BI Desktop to capture the current view state into it. 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.
Register the Power BI Report MCP Server MCP server in PolicyLayer and add a rule for pbir_add_bookmark: 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_add_bookmark is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the pbir_add_bookmark 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_add_bookmark. 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_add_bookmark 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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