Rijksmuseum MCP Server

import dotenv from 'dotenv'; export class Config { private static instance: Config; private readonly apiKey: string; private constructor() { dotenv.config(); const apiKey = process.env.RIJKSMUSEUM_API_KEY; if (!apiKey) { throw new Error("RIJKSMUSEUM_API_KEY environment variable is required"); } this.apiKey = apiKey; } static getInstance(): Config { if (!Config.instance) { Config.instance = new Config(); } return Config.instance; } getApiKey(): string { return this.apiKey; } }