Tally MCP

import dotenv from 'dotenv'; // Load environment variables from .env file dotenv.config(); /** * Configuration interface for type-safe access to environment variables */ export interface Config { // Tally.so API Configuration tally: { apiKey: string; apiBaseUrl: string; oauth: { clientId: string; clientSecret: string; redirectUri: string; }; }; // MCP Server Configuration server: { port: number; host: string; logLevel: string; }; // Security Configuration security: { jwtSecret: string; sessionSecret: string; }; // Rate Limiting Configuration rateLimit: { windowMs: number; maxRequests: number; }; // Development Configuration development: { nodeEnv: string; debug: boolean; }; } /** * Get a required environment variable or throw an error */ function getRequiredEnvVar(name: string): string { const value = process.env[name]; if (!value) { throw new Error(`Required environment variable ${name} is not set`); } return value; } /** * Get an optional environment variable with a default value */ function getOptionalEnvVar(name: string, defaultValue: string): string { return process.env[name] || defaultValue; } /** * Get an environment variable as a number */ function getEnvVarAsNumber(name: string, defaultValue: number): number { const value = process.env[name]; if (!value) return defaultValue; const parsed = parseInt(value, 10); if (isNaN(parsed)) { throw new Error(`Environment variable ${name} must be a valid number`); } return parsed; } /** * Get an environment variable as a boolean */ function getEnvVarAsBoolean(name: string, defaultValue: boolean): boolean { const value = process.env[name]; if (!value) return defaultValue; return value.toLowerCase() === 'true'; } /** * Application configuration object with type-safe access to all settings */ export const config: Config = { tally: { apiKey: getRequiredEnvVar('TALLY_API_KEY'), apiBaseUrl: getOptionalEnvVar('TALLY_API_BASE_URL', 'https://api.tally.so/v1'), oauth: { clientId: getRequiredEnvVar('TALLY_OAUTH_CLIENT_ID'), clientSecret: getRequiredEnvVar('TALLY_OAUTH_CLIENT_SECRET'), redirectUri: getOptionalEnvVar('TALLY_OAUTH_REDIRECT_URI', 'http://localhost:3000/auth/callback'), }, }, server: { port: getEnvVarAsNumber('MCP_SERVER_PORT', 3000), host: getOptionalEnvVar('MCP_SERVER_HOST', 'localhost'), logLevel: getOptionalEnvVar('MCP_LOG_LEVEL', 'info'), }, security: { jwtSecret: getRequiredEnvVar('JWT_SECRET'), sessionSecret: getRequiredEnvVar('SESSION_SECRET'), }, rateLimit: { windowMs: getEnvVarAsNumber('RATE_LIMIT_WINDOW_MS', 900000), // 15 minutes maxRequests: getEnvVarAsNumber('RATE_LIMIT_MAX_REQUESTS', 100), }, development: { nodeEnv: getOptionalEnvVar('NODE_ENV', 'development'), debug: getEnvVarAsBoolean('DEBUG', false), }, }; /** * Validate that all required configuration is present */ export function validateConfig(): void { try { // Access all required properties to trigger validation config.tally.apiKey; config.tally.oauth.clientId; config.tally.oauth.clientSecret; config.security.jwtSecret; config.security.sessionSecret; console.log('✅ Configuration validation successful'); } catch (error) { console.error('❌ Configuration validation failed:', error); process.exit(1); } } export default config;