Display all M/Power Query code used for data transformation.
AI agents call get_power_query to retrieve information from PBIXRay MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and displays Power Query (M language) code from a Power BI file. It performs a query operation that returns data without modifying, executing, or deleting anything. The blast radius is minimal—an LLM could potentially misuse this to extract transformation logic, but this is informational leakage rather than operational harm.
From the tool's definition Tool name 'get_power_query' and description 'Display all M/Power Query code used for data transformation' indicate a retrieval operation with no side effects. The verb 'Display' and 'get' confirm read-only access to existing Power Query code.
Attacks that exploit this kind of access
Display all M/Power Query code used for data transformation. It is categorised as a Read tool in the PBIXRay MCP Server MCP Server, which means it retrieves data without modifying state.
Register the PBIXRay MCP Server MCP server in PolicyLayer and add a rule for get_power_query: 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.
get_power_query 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 get_power_query 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 get_power_query. 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.
get_power_query 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.
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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