MCP Software Engineer

#!/usr/bin/env node import { spawn } from 'child_process'; import { fileURLToPath } from 'url'; import { dirname, join } from 'path'; const __filename = fileURLToPath(import.meta.url); const __dirname = dirname(__filename); console.log("🏥 MCP Software Engineer - Health Check"); console.log("=====================================\n"); // Start the MCP server const serverPath = join(__dirname, 'dist', 'index.js'); const server = spawn('node', [serverPath], { env: { ...process.env, NODE_ENV: 'production', LOG_LEVEL: 'info' } }); let serverReady = false; let healthCheckPassed = true; const issues = []; // Timeout for health check const timeout = setTimeout(() => { issues.push('❌ Server startup timeout (10s)'); healthCheckPassed = false; performHealthCheck(); }, 10000); server.stdout.on('data', (data) => { const output = data.toString(); // Check for successful responses if (output.includes('"jsonrpc"')) { try { const response = JSON.parse(output.trim()); // Tool list response if (response.id === 1 && response.result?.tools) { console.log(`✅ Server responded with ${response.result.tools.length} tools`); // Validate tool structure const sampleTool = response.result.tools[0]; if (!sampleTool.name || !sampleTool.description || !sampleTool.inputSchema) { issues.push('❌ Tool structure validation failed'); healthCheckPassed = false; } else { console.log('✅ Tool structure validation passed'); } } // Test tool execution response if (response.id === 2 && response.result?.content) { console.log('✅ Test tool execution successful'); } // Error response if (response.error) { issues.push(`❌ Server error: ${response.error.message}`); healthCheckPassed = false; } } catch (e) { // Not JSON, ignore } } }); server.stderr.on('data', (data) => { const output = data.toString().trim(); // Check for server ready message if (output.includes('Software Engineer MCP Server running on stdio')) { serverReady = true; console.log('✅ Server started successfully'); // Extract tool count const match = output.match(/Total tools loaded: (\d+)/); if (match) { const toolCount = parseInt(match[1]); if (toolCount < 10) { issues.push(`⚠️ Only ${toolCount} tools loaded (expected more)`); } else { console.log(`✅ ${toolCount} tools loaded`); } } clearTimeout(timeout); runHealthTests(); } // Check for errors if (output.includes('Error') || output.includes('error')) { if (!output.includes('console.error')) { issues.push(`❌ Error detected: ${output}`); healthCheckPassed = false; } } }); async function runHealthTests() { console.log('\n📋 Running health tests...\n'); // Test 1: List tools const listToolsRequest = JSON.stringify({ jsonrpc: '2.0', method: 'tools/list', params: {}, id: 1 }) + '\n'; server.stdin.write(listToolsRequest); // Test 2: Execute a simple tool (after delay) setTimeout(() => { const testToolRequest = JSON.stringify({ jsonrpc: '2.0', method: 'tools/call', params: { name: 'read_file', arguments: { path: './package.json' } }, id: 2 }) + '\n'; server.stdin.write(testToolRequest); // Complete health check after tests setTimeout(() => performHealthCheck(), 2000); }, 1000); } async function performHealthCheck() { console.log('\n🏁 Health Check Summary'); console.log('======================\n'); // Check system resources const memUsage = process.memoryUsage(); const heapUsedMB = Math.round(memUsage.heapUsed / 1024 / 1024); console.log(`💾 Memory Usage: ${heapUsedMB}MB`); if (heapUsedMB > 200) { issues.push(`⚠️ High memory usage: ${heapUsedMB}MB`); } // Check for required directories const fs = await import('fs'); const requiredDirs = ['logs', 'temp']; for (const dir of requiredDirs) { if (!fs.existsSync(dir)) { console.log(`📁 Creating missing directory: ${dir}`); fs.mkdirSync(dir, { recursive: true }); } } // Final result if (issues.length > 0) { console.log('\n⚠️ Issues detected:'); issues.forEach(issue => console.log(` ${issue}`)); } if (healthCheckPassed && issues.filter(i => i.includes('❌')).length === 0) { console.log('\n✅ Health check PASSED! Server is healthy.'); } else { console.log('\n❌ Health check FAILED! Please address the issues above.'); } // Cleanup server.kill(); process.exit(healthCheckPassed ? 0 : 1); } // Error handling server.on('error', (error) => { console.error('❌ Failed to start server:', error); process.exit(1); }); server.on('exit', (code) => { if (code && code !== 0 && !serverReady) { console.error(`❌ Server exited with code ${code}`); process.exit(1); } });