Flutter MCP Service

#!/usr/bin/env node import { flutterStatus } from '../src/tools/unifiedTools.js'; import chalk from 'chalk'; async function healthCheck() { console.log(chalk.cyan('\n🏥 Flutter MCP Service Health Check\n')); const checks = { service: { status: 'checking', message: '' }, cache: { status: 'checking', message: '' }, tools: { status: 'checking', message: '' }, memory: { status: 'checking', message: '' } }; try { // Check 1: Service Status console.log(chalk.gray('Checking service status...')); const statusResult = await flutterStatus({}); const status = JSON.parse(statusResult.content[0].text); if (status && status.version) { checks.service.status = 'pass'; checks.service.message = `Version ${status.version}`; } else { checks.service.status = 'fail'; checks.service.message = 'Could not retrieve version'; } // Check 2: Cache System console.log(chalk.gray('Checking cache system...')); if (status.cache && status.cache.memory) { const hitRate = status.cache.hitRate || 0; checks.cache.status = 'pass'; checks.cache.message = `Hit rate: ${hitRate}%`; // Warn if hit rate is low if (hitRate < 50 && status.cache.memory.hits + status.cache.memory.misses > 10) { checks.cache.status = 'warn'; checks.cache.message += ' (below optimal)'; } } else { checks.cache.status = 'fail'; checks.cache.message = 'Cache system not responding'; } // Check 3: Tool Availability console.log(chalk.gray('Checking tool availability...')); const capabilities = status.capabilities || {}; const expectedCapabilities = [ 'search', 'analysis', 'documentation', 'packageAnalysis', 'performanceCheck', 'caching' ]; const missingCapabilities = expectedCapabilities.filter( cap => !capabilities[cap] ); if (missingCapabilities.length === 0) { checks.tools.status = 'pass'; checks.tools.message = 'All tools available'; } else { checks.tools.status = 'warn'; checks.tools.message = `Missing: ${missingCapabilities.join(', ')}`; } // Check 4: Memory Usage console.log(chalk.gray('Checking memory usage...')); const memUsage = process.memoryUsage(); const heapUsedMB = Math.round(memUsage.heapUsed / 1024 / 1024); const heapTotalMB = Math.round(memUsage.heapTotal / 1024 / 1024); const heapPercentage = Math.round((memUsage.heapUsed / memUsage.heapTotal) * 100); checks.memory.status = heapPercentage < 80 ? 'pass' : 'warn'; checks.memory.message = `${heapUsedMB}MB / ${heapTotalMB}MB (${heapPercentage}%)`; // Display results console.log(chalk.cyan('\n📊 Health Check Results:\n')); Object.entries(checks).forEach(([name, check]) => { const icon = check.status === 'pass' ? '✅' : check.status === 'warn' ? '⚠️' : '❌'; const color = check.status === 'pass' ? chalk.green : check.status === 'warn' ? chalk.yellow : chalk.red; console.log(` ${icon} ${chalk.white(name.padEnd(10))} ${color(check.message)}`); }); // Overall status const failedChecks = Object.values(checks).filter(c => c.status === 'fail').length; const warnChecks = Object.values(checks).filter(c => c.status === 'warn').length; console.log('\n' + chalk.cyan('Overall Status: ')); if (failedChecks > 0) { console.log(chalk.red(` ❌ UNHEALTHY (${failedChecks} checks failed)`)); process.exit(1); } else if (warnChecks > 0) { console.log(chalk.yellow(` ⚠️ DEGRADED (${warnChecks} warnings)`)); process.exit(0); } else { console.log(chalk.green(' ✅ HEALTHY')); process.exit(0); } } catch (error) { console.error(chalk.red('\n❌ Health check failed:'), error.message); process.exit(1); } } // Run health check healthCheck().catch(error => { console.error(chalk.red('Fatal error:'), error); process.exit(1); });