@mcp-apps/kusto-mcp-server/dist/tools/get-table-schema.js

MCP server for interacting with Kusto databases

import { z } from "zod";
import { KustoService } from "../services/kustoService.js";
// Tool to get schema for a specific table
export const getTableSchemaTool = {
    name: "get_table_schema",
    description: `This tool retrieves the schema for a specific table in the Kusto database.
  The result is a detailed schema information.
  Inputs: clusterUrl, database, tableName.`,
    parameters: {
        clusterUrl: z.string().describe("The Kusto cluster URL (e.g., https://yourcluster.kusto.windows.net)"),
        database: z.string().describe("The name of the database in the Kusto cluster"),
        tableName: z.string().describe("The name of the table to get schema for"),
        isExternal: z.boolean().optional().describe("Whether the table is an external table")
    },
    handler: async ({ clusterUrl, database, tableName, isExternal }) => {
        try {
            const schema = await KustoService.getTableSchema(clusterUrl, database, tableName, isExternal);
            const columns = schema.OrderedColumns.map((column) => {
                return {
                    name: column.Name,
                    type: column.CslType
                };
            });
            return {
                content: [
                    {
                        type: "text",
                        text: `Schema for ${tableName}: ${JSON.stringify(columns, null, 2)}`
                    }
                ]
            };
        }
        catch (error) {
            console.error(`Error getting schema for table ${tableName}:`, error);
            const errorMessage = error instanceof Error ? error.message : String(error);
            return {
                content: [{
                        type: "text",
                        text: `Error getting table schema: ${errorMessage}`
                    }]
            };
        }
    }
};
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