Domain Search MCP

/** * Configuration loader for Domain Search MCP. * * Loads environment variables with sensible defaults. * The server works without any API keys (falls back to RDAP/WHOIS). */ import { config as loadDotenv } from 'dotenv'; import type { Config } from './types.js'; // Load .env file if present loadDotenv(); /** * Parse a comma-separated string into an array. */ function parseList(value: string | undefined, defaults: string[]): string[] { if (!value) return defaults; return value .split(',') .map((s) => s.trim().toLowerCase()) .filter((s) => s.length > 0); } /** * Parse an integer with a fallback default. */ function parseIntWithDefault( value: string | undefined, defaultValue: number, ): number { if (!value) return defaultValue; const parsed = parseInt(value, 10); return isNaN(parsed) ? defaultValue : parsed; } /** * Parse a boolean from environment variable. */ function parseBool(value: string | undefined, defaultValue: boolean): boolean { if (!value) return defaultValue; return value.toLowerCase() === 'true' || value === '1'; } /** * Load and validate configuration from environment. */ export function loadConfig(): Config { const env = process.env; // Check for API keys const hasPorkbun = !!(env.PORKBUN_API_KEY && env.PORKBUN_API_SECRET); const hasNamecheap = !!(env.NAMECHEAP_API_KEY && env.NAMECHEAP_API_USER); const config: Config = { porkbun: { apiKey: env.PORKBUN_API_KEY, apiSecret: env.PORKBUN_API_SECRET, enabled: hasPorkbun, }, namecheap: { apiKey: env.NAMECHEAP_API_KEY, apiUser: env.NAMECHEAP_API_USER, clientIp: env.NAMECHEAP_CLIENT_IP, enabled: hasNamecheap, }, logLevel: (env.LOG_LEVEL as Config['logLevel']) || 'info', cache: { availabilityTtl: parseIntWithDefault(env.CACHE_TTL_AVAILABILITY, 300), pricingTtl: parseIntWithDefault(env.CACHE_TTL_PRICING, 3600), }, rateLimitPerMinute: parseIntWithDefault(env.RATE_LIMIT_PER_MINUTE, 60), allowedTlds: parseList(env.ALLOWED_TLDS, [ 'com', 'io', 'dev', 'app', 'co', 'net', 'org', 'xyz', 'ai', 'sh', 'me', 'cc', ]), denyTlds: parseList(env.DENY_TLDS, [ 'localhost', 'internal', 'test', 'local', ]), dryRun: parseBool(env.DRY_RUN, false), }; return config; } /** * Global config instance. * Loaded once at startup. */ export const config = loadConfig(); /** * Check if any registrar APIs are configured. */ export function hasRegistrarApi(): boolean { return config.porkbun.enabled || config.namecheap.enabled; } /** * Get a summary of available data sources. */ export function getAvailableSources(): string[] { const sources: string[] = []; if (config.porkbun.enabled) sources.push('porkbun'); if (config.namecheap.enabled) sources.push('namecheap'); sources.push('rdap', 'whois'); // Always available as fallbacks return sources; }