import { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';
import { StdioServerTransport } from '@modelcontextprotocol/sdk/server/stdio.js';
import { registerTools } from './tools/index.js';
import { registerResources } from './resources/index.js';
import { isAuthenticated, getCurrentAccount } from './gmail/auth.js';
export function createServer(): McpServer {
const account = getCurrentAccount();
const server = new McpServer({
name: account === 'default' ? 'gmail-mcp' : `gmail-mcp-${account}`,
version: '1.0.0',
});
// Register all tools and resources
registerTools(server);
registerResources(server);
return server;
}
export async function runServer(): Promise<void> {
const account = getCurrentAccount();
// Check authentication before starting
if (!isAuthenticated()) {
console.error(`Not authenticated for account "${account}". Please run "gmail-mcp auth --account ${account}" first.`);
process.exit(1);
}
const server = createServer();
const transport = new StdioServerTransport();
// Handle graceful shutdown
process.on('SIGINT', async () => {
console.error('Shutting down...');
await server.close();
process.exit(0);
});
process.on('SIGTERM', async () => {
console.error('Shutting down...');
await server.close();
process.exit(0);
});
// Handle uncaught errors
process.on('uncaughtException', (error) => {
console.error('Uncaught exception:', error);
process.exit(1);
});
process.on('unhandledRejection', (reason) => {
console.error('Unhandled rejection:', reason);
process.exit(1);
});
// Connect and start serving
await server.connect(transport);
// Log to stderr so it doesn't interfere with MCP protocol on stdout
console.error(`Gmail MCP server started (account: ${account})`);
}
