Get database schema information including tables, columns, and their types.
AI agents call kusto_schema 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 performs read-only schema inspection of a Kusto database. It returns metadata about database structure without creating, modifying, deleting, or executing any operations. The blast radius of misuse is minimal—an agent could only learn about the database structure, not alter data or systems.
From the tool's definition Tool name 'kusto_schema' and description state it retrieves 'database schema information including tables, columns, and their types' — purely a query operation with no data modification, deletion, or execution of commands.
Attacks that exploit this kind of access
Get database schema information including tables, columns, and their types. 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 kusto_schema: 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.
kusto_schema 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 kusto_schema 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 kusto_schema. 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.
kusto_schema is provided by the Kusto MCP Server MCP server (yeshsurya/kusto-mcp-server). 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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