SQL Server MCP Service

import { CallToolResult } from '@modelcontextprotocol/sdk/types.js' import type { DatabaseConnection } from '../database' export async function listTables( db: DatabaseConnection, schemaName?: string ): Promise<CallToolResult> { try { const pool = db.getPool() let query = ` SELECT TABLE_SCHEMA, TABLE_NAME, TABLE_TYPE FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_TYPE = 'BASE TABLE' `.trim() const request = pool.request() if (schemaName) { query += ' AND TABLE_SCHEMA = @schemaName' request.input('schemaName', schemaName) } query += ' ORDER BY TABLE_SCHEMA, TABLE_NAME' const result = await request.query(query) return { content: [ { type: 'text', text: JSON.stringify( { tables: result.recordset, count: result.recordset.length, }, null, 2 ), }, ], } } catch (error) { return { content: [ { type: 'text', text: `Erro: ${error instanceof Error ? error.message : 'Erro desconhecido'}`, }, ], isError: true, } } }