List all materialized views in the database
AI agents call list_materialized_views to retrieve information from Kusto 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 metadata about materialized views without modifying, deleting, or executing any data operations. It is purely informational (Read category). Severity is low because listing views exposes schema information but does not grant access to sensitive data contents, execute code, or modify systems.
From the tool's definition Tool name is 'list_materialized_views' and description states 'List all materialized views in the database' — a query/retrieval operation with no side effects.
Attacks that exploit this kind of access
List all materialized views in the database. It is categorised as a Read tool in the Kusto MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Kusto MCP Server MCP server in PolicyLayer and add a rule for list_materialized_views: 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 Kusto MCP Server. Nothing to install.
list_materialized_views 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 list_materialized_views 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 list_materialized_views. 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.
list_materialized_views is provided by the Kusto MCP Server MCP server (zzzhdw/mcp-server-kusto). 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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