AI MCP Gateway

import { z } from 'zod'; import { config } from 'dotenv'; // Load .env file config(); /** * Environment configuration schema using Zod for validation */ const envSchema = z.object({ // MCP Server MCP_SERVER_NAME: z.string().default('mcp-gateway'), MCP_SERVER_VERSION: z.string().default('0.1.0'), // API Keys OPENROUTER_API_KEY: z.string().optional(), ANTHROPIC_API_KEY: z.string().optional(), OPENAI_API_KEY: z.string().optional(), // OpenRouter Configuration OPENROUTER_FALLBACK_MODELS: z.string().default('x-ai/grok-beta,qwen/qwen-2.5-coder-32b-instruct,meta-llama/llama-3.1-8b-instruct:free'), // Map OpenRouter models to replace OpenAI/Claude models OPENROUTER_REPLACE_OPENAI: z.string().default('openai/gpt-4o-mini'), OPENROUTER_REPLACE_CLAUDE: z.string().default('anthropic/claude-3.5-sonnet'), // OSS/Local Model OSS_MODEL_ENDPOINT: z.string().default('http://localhost:11434'), OSS_MODEL_ENABLED: z .string() .transform((val: string) => val === 'true') .default('false'), OSS_MODEL_NAME: z.string().default('llama3:8b'), // Redis REDIS_HOST: z.string().default('localhost'), REDIS_PORT: z.string().default('6379'), REDIS_PASSWORD: z.string().optional(), REDIS_DB: z.string().default('0'), // Database (PostgreSQL) DATABASE_URL: z.string().optional(), DB_HOST: z.string().default('localhost'), DB_PORT: z.string().default('5432'), DB_NAME: z.string().default('ai_mcp_gateway'), DB_USER: z.string().default('postgres'), DB_PASSWORD: z.string().optional(), DB_SSL: z .string() .transform((val: string) => val === 'true') .default('false'), // HTTP API API_PORT: z.string().default('3000'), API_HOST: z.string().default('0.0.0.0'), API_CORS_ORIGIN: z.string().default('*'), // Logging LOG_LEVEL: z.enum(['debug', 'info', 'warn', 'error']).default('info'), LOG_FILE: z.string().default('logs/mcp-gateway.log'), // Routing DEFAULT_LAYER: z.string().default('L0'), ENABLE_CROSS_CHECK: z .string() .transform((val: string) => val === 'true') .default('true'), ENABLE_AUTO_ESCALATE: z .string() .transform((val: string) => val === 'true') .default('true'), MAX_ESCALATION_LAYER: z.string().default('L2'), // Layer Enable/Disable Control LAYER_L0_ENABLED: z .string() .transform((val: string) => val === 'true') .default('true'), LAYER_L1_ENABLED: z .string() .transform((val: string) => val === 'true') .default('true'), LAYER_L2_ENABLED: z .string() .transform((val: string) => val === 'true') .default('true'), LAYER_L3_ENABLED: z .string() .transform((val: string) => val === 'true') .default('true'), // Task-specific model preferences CHAT_MODELS: z.string().optional(), CODE_MODELS: z.string().optional(), ANALYZE_MODELS: z.string().optional(), CREATE_PROJECT_MODELS: z.string().optional(), // Cost Tracking ENABLE_COST_TRACKING: z .string() .transform((val: string) => val === 'true') .default('true'), COST_ALERT_THRESHOLD: z .string() .transform((val: string) => parseFloat(val)) .default('1.00'), // Admin Dashboard Authentication ADMIN_AUTH_ENABLED: z .string() .transform((val: string) => val === 'true') .default('false'), ADMIN_JWT_SECRET: z.string().default('change-me-in-production-very-secret-key-32chars'), ADMIN_SESSION_EXPIRY: z.string().default('24h'), // Default admin credentials (should be changed in production) ADMIN_DEFAULT_USERNAME: z.string().default('admin'), ADMIN_DEFAULT_PASSWORD: z.string().default('admin123'), // Terminal encryption key (32 bytes for AES-256) TERMINAL_ENCRYPTION_KEY: z.string().default('terminal-encryption-key-32bytes!'), // Embedding Service Configuration EMBEDDING_PROVIDER: z.enum(['openai', 'openrouter', 'ollama', 'local']).default('openai'), EMBEDDING_MODEL_ID: z.string().default('text-embedding-3-small'), OLLAMA_HOST: z.string().default('http://localhost:11434'), }); export type Env = z.infer<typeof envSchema>; /** * Parse and validate environment variables */ export function loadEnv(): Env { try { return envSchema.parse(process.env); } catch (error) { if (error instanceof z.ZodError) { console.error('❌ Environment validation failed:'); error.errors.forEach((err: z.ZodIssue) => { console.error(` - ${err.path.join('.')}: ${err.message}`); }); throw new Error('Invalid environment configuration'); } throw error; } } /** * Global environment configuration */ export const env = loadEnv();