Presearch MCP Server

import dotenv from "dotenv"; import { z } from "zod"; // Load environment variables dotenv.config(); /** * Configuration schema for validation */ const ConfigSchema = z.object({ apiKey: z.string().optional(), baseUrl: z.string().default("https://na-us-1.presearch.com"), timeout: z.coerce.number().default(10000), retries: z.coerce.number().default(3), port: z.coerce.number().default(3002), logLevel: z.enum(["debug", "info", "warn", "error"]).default("info"), cache: z.object({ enabled: z.boolean().default(true), ttl: z.number().default(300000), // 5 minutes maxSize: z.number().default(1000), }).default({}), rateLimit: z.object({ maxRequests: z.number().default(60), windowMs: z.number().default(60000), // 1 minute }).default({}), search: z.object({ defaultSafeSearch: z.enum(["strict", "moderate", "off"]).default("moderate"), defaultLanguage: z.string().default("en-US"), supportedLanguages: z.array(z.string()).default([ "en-US", "en-GB", "es-ES", "fr-FR", "de-DE", "it-IT", "pt-BR", "ja-JP", "zh-CN", "ru-RU" ]), supportedCountries: z.array(z.string()).default([ "US", "GB", "CA", "AU", "DE", "FR", "IT", "ES", "BR", "JP", "CN", "IN", "RU" ]), }).default({}), }); /** * Load and validate configuration */ export function loadConfig() { const rawConfig = { apiKey: process.env.PRESEARCH_API_KEY, baseUrl: process.env.PRESEARCH_BASE_URL, timeout: process.env.PRESEARCH_TIMEOUT, logLevel: process.env.LOG_LEVEL, port: process.env.PORT, // Nested configs could be loaded from JSON if needed, but defaults work for now }; try { return ConfigSchema.parse(rawConfig); } catch (error) { console.error("❌ Invalid configuration:", error.errors); // Return defaults with warning if validation fails return ConfigSchema.parse({}); } } export const config = loadConfig(); export const getConfig = () => config;