#!/usr/bin/env node
/**
* Metaso MCP Server
* Main entry point for the MCP server
*/
import { createMetasoMcpServer } from './server';
/**
* Main function to start the MCP server
*/
async function main(): Promise<void> {
try {
// Create server instance
const server = createMetasoMcpServer();
// Setup graceful shutdown handlers
const cleanup = async (): Promise<void> => {
console.error('Shutting down Metaso MCP Server...');
try {
await server.stop();
process.exit(0);
} catch (error) {
console.error('Error during shutdown:', error);
process.exit(1);
}
};
// Handle process signals for graceful shutdown
process.on('SIGINT', cleanup);
process.on('SIGTERM', cleanup);
process.on('SIGQUIT', cleanup);
// Handle uncaught exceptions
process.on('uncaughtException', (error) => {
console.error('Uncaught Exception:', error);
cleanup().catch(() => {
process.exit(1);
});
});
// Handle unhandled promise rejections
process.on('unhandledRejection', (reason, promise) => {
console.error('Unhandled Rejection at:', promise, 'reason:', reason);
cleanup().catch(() => {
process.exit(1);
});
});
// Start the MCP server
await server.start();
// Keep the process running
// The server will handle stdio communication
} catch (error) {
console.error('Failed to start Metaso MCP Server:', error);
// Print configuration help on common errors
if (error instanceof Error) {
if (error.message.includes('METASO_API_KEY')) {
console.error('\nConfiguration Help:');
console.error('Please ensure the METASO_API_KEY environment variable is set.');
console.error('Example: export METASO_API_KEY="mk-YOUR_API_KEY_HERE"');
} else if (error.message.includes('Configuration validation failed')) {
console.error('\nConfiguration Help:');
console.error('Please check your environment variables:');
console.error('- METASO_API_KEY (required): Your Metaso API key');
console.error('- METASO_BASE_URL (optional): API base URL (default: https://metaso.cn)');
console.error('- METASO_TIMEOUT (optional): Request timeout in milliseconds (default: 30000)');
console.error('- METASO_DEBUG (optional): Enable debug logging (default: false)');
}
}
process.exit(1);
}
}
// Start the server
if (require.main === module) {
main().catch((error) => {
console.error('Fatal error:', error);
process.exit(1);
});
}
export { main };
export default main;
