/**
* MCP Gateway - Entry Point
*
* Universal MCP Gateway that works with:
* - Claude Desktop / Claude Code
* - Cursor
* - OpenAI Codex
* - VS Code Copilot
*/
import 'dotenv/config';
import { MCPGatewayServer } from './server.js';
import ConfigManager from './config.js';
import { logger } from './logger.js';
import { printStartupBanner } from './banner.js';
import { setupGracefulShutdown } from './services/graceful-shutdown.js';
async function main(): Promise<void> {
logger.info('Starting MCP Gateway...');
// Load configuration
const configManager = ConfigManager.getInstance();
const gatewayConfig = configManager.getGatewayConfig();
const serversConfig = configManager.getServersConfig();
logger.info('Configuration loaded', {
gateway: gatewayConfig.name,
authMode: gatewayConfig.auth.mode,
servers: serversConfig.servers.length,
enabled: serversConfig.servers.filter(s => s.enabled).length,
});
// Create and start server
const server = new MCPGatewayServer(gatewayConfig);
// Start the HTTP server immediately (don't wait for backends)
await server.start();
// Load backend servers in the background (non-blocking)
server.loadBackends(serversConfig).catch((error) => {
logger.error('Error loading backends', { error: error.message });
});
// Set up graceful shutdown with connection draining
const httpServer = server.getHttpServer();
if (httpServer) {
setupGracefulShutdown({
server: httpServer,
backendManager: server.getBackendManager(),
gracePeriodMs: 15_000,
});
}
// Log startup summary
const backendManager = server.getBackendManager();
const status = backendManager.getStatus();
logger.info('Gateway ready', {
backends: Object.keys(status).length,
connected: Object.values(status).filter(s => s.status === 'connected').length,
tools: backendManager.getAllTools().length,
resources: backendManager.getAllResources().length,
prompts: backendManager.getAllPrompts().length,
});
printStartupBanner({
host: gatewayConfig.host || '0.0.0.0',
port: gatewayConfig.port,
backendCount: Object.keys(status).length,
toolCount: backendManager.getAllTools().length,
resourceCount: backendManager.getAllResources().length,
name: gatewayConfig.name,
});
}
main().catch((error) => {
logger.error('Fatal error', { error: error.message, stack: error.stack });
process.exit(1);
});
