MCP Time Server Node

#!/usr/bin/env node const { spawn } = require('child_process'); // Test performance by measuring response times async function measurePerformance() { console.log('=== Performance Testing ===\n'); const tests = [ { name: 'get_current_time (cached)', request: { jsonrpc: '2.0', method: 'tools/call', id: 1, params: { name: 'get_current_time', arguments: { timezone: 'UTC' }, }, }, }, { name: 'convert_timezone', request: { jsonrpc: '2.0', method: 'tools/call', id: 2, params: { name: 'convert_timezone', arguments: { time: '2025-01-20T15:00:00Z', from_timezone: 'UTC', to_timezone: 'America/New_York', }, }, }, }, { name: 'calculate_duration', request: { jsonrpc: '2.0', method: 'tools/call', id: 3, params: { name: 'calculate_duration', arguments: { start_time: '2025-01-20T09:00:00', end_time: '2025-01-20T17:30:00', }, }, }, }, ]; for (const test of tests) { console.log(`Testing ${test.name}...`); // Warm up request await sendRequest(test.request); // Measure 10 requests const times = []; for (let i = 0; i < 10; i++) { const start = process.hrtime.bigint(); await sendRequest(test.request); const end = process.hrtime.bigint(); const timeMs = Number(end - start) / 1000000; // Convert to milliseconds times.push(timeMs); } // Calculate statistics const avg = times.reduce((a, b) => a + b, 0) / times.length; const min = Math.min(...times); const max = Math.max(...times); console.log(` Average: ${avg.toFixed(2)}ms`); console.log(` Min: ${min.toFixed(2)}ms`); console.log(` Max: ${max.toFixed(2)}ms`); console.log(` All < 10ms: ${max < 10 ? '✅ YES' : '❌ NO'}`); console.log(); } } function sendRequest(request) { return new Promise((resolve, reject) => { const child = spawn('node', ['dist/index.js']); let response = ''; child.stdout.on('data', (data) => { response += data.toString(); }); child.on('close', () => { resolve(response); }); child.on('error', reject); child.stdin.write(JSON.stringify(request)); child.stdin.end(); }); } measurePerformance().catch(console.error);