SwaggerMcp

import { config } from 'dotenv'; import { z } from 'zod'; // Load environment variables // Suppress any potential stdout output during loading const originalWrite = process.stdout.write; process.stdout.write = () => true; try { config(); } finally { process.stdout.write = originalWrite; } // Define configuration schema const configSchema = z.object({ swagger: z.object({ url: z.string().url().optional(), path: z.string().optional(), }).refine(data => data.url || data.path, { message: "Either SWAGGER_URL or SWAGGER_PATH must be provided" }), api: z.object({ baseUrl: z.string().url().optional(), timeout: z.number().positive().default(30000), }), auth: z.object({ type: z.enum(['bearer', 'apikey', 'basic', 'none']).default('none'), token: z.string().optional(), header: z.string().default('Authorization'), apiKeyHeader: z.string().default('X-API-Key'), }), options: z.object({ refreshInterval: z.number().positive().default(3600000), // 1 hour logLevel: z.enum(['debug', 'info', 'warn', 'error']).default('info'), enableRequestLogging: z.boolean().default(false), }), }); export type Config = z.infer<typeof configSchema>; // Parse and validate configuration export function loadConfig(): Config { const rawConfig = { swagger: { url: process.env.SWAGGER_URL, path: process.env.SWAGGER_PATH, }, api: { baseUrl: process.env.API_BASE_URL, timeout: process.env.API_TIMEOUT ? parseInt(process.env.API_TIMEOUT, 10) : undefined, }, auth: { type: process.env.AUTH_TYPE as any, token: process.env.AUTH_TOKEN, header: process.env.AUTH_HEADER, apiKeyHeader: process.env.API_KEY_HEADER, }, options: { refreshInterval: process.env.REFRESH_INTERVAL ? parseInt(process.env.REFRESH_INTERVAL, 10) : undefined, logLevel: process.env.LOG_LEVEL as any, enableRequestLogging: process.env.ENABLE_REQUEST_LOGGING === 'true', }, }; try { return configSchema.parse(rawConfig); } catch (error) { if (error instanceof z.ZodError) { // Write to stderr to avoid interfering with MCP protocol on stdout process.stderr.write(`Configuration validation failed: ${JSON.stringify(error.errors)}\n`); throw new Error(`Invalid configuration: ${error.errors.map(e => e.message).join(', ')}`); } throw error; } } // Export singleton config instance export const appConfig = loadConfig();