SQL Server MCP Service

import { CallToolResult } from '@modelcontextprotocol/sdk/types.js' import type { DatabaseConnection } from '../database' export async function listFunctions( db: DatabaseConnection, schemaName?: string, functionType?: 'SCALAR' | 'TABLE' ): Promise<CallToolResult> { try { const pool = db.getPool() let query = ` SELECT ROUTINE_SCHEMA, ROUTINE_NAME, ROUTINE_TYPE, DATA_TYPE, CREATED, LAST_ALTERED, CASE WHEN DATA_TYPE = 'TABLE' THEN 'TABLE-VALUED' ELSE 'SCALAR' END AS FUNCTION_TYPE FROM INFORMATION_SCHEMA.ROUTINES WHERE ROUTINE_TYPE = 'FUNCTION' `.trim() const request = pool.request() if (schemaName) { query += ' AND ROUTINE_SCHEMA = @schemaName' request.input('schemaName', schemaName) } if (functionType) { if (functionType === 'SCALAR') { query += " AND DATA_TYPE != 'TABLE'" } else if (functionType === 'TABLE') { query += " AND DATA_TYPE = 'TABLE'" } } query += ' ORDER BY ROUTINE_SCHEMA, ROUTINE_NAME' const result = await request.query(query) return { content: [ { type: 'text', text: JSON.stringify( { functions: 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, } } }