n8n_vs-code_integration/test-connection.js

#!/usr/bin/env node

/**
 * Test script to verify n8n MCP server connectivity
 * Usage: node test-connection.js
 */

import { N8nClient } from './dist/n8n-client.js';

const N8N_BASE_URL = process.env.N8N_BASE_URL || 'http://srvdocker02:8098';
const N8N_API_KEY = process.env.N8N_API_KEY;

console.log('Testing n8n connection...');
console.log('n8n URL:', N8N_BASE_URL);
console.log('API Key:', N8N_API_KEY ? '***configured***' : 'not set');
console.log('');

const client = new N8nClient({
  baseUrl: N8N_BASE_URL,
  apiKey: N8N_API_KEY,
});

async function test() {
  try {
    console.log('Fetching workflows...');
    const workflows = await client.listWorkflows();
    console.log(`✓ Successfully connected to n8n!`);
    console.log(`✓ Found ${workflows.length} workflow(s)`);
    
    if (workflows.length > 0) {
      console.log('\nFirst few workflows:');
      workflows.slice(0, 5).forEach((wf) => {
        console.log(`  - ${wf.name} (ID: ${wf.id}, Active: ${wf.active})`);
      });
    }
    
    process.exit(0);
  } catch (error) {
    console.error('✗ Connection failed:', error.message);
    console.error('\nTroubleshooting:');
    console.error('1. Verify n8n is running:');
    console.error(`   curl ${N8N_BASE_URL}/healthz`);
    console.error('2. Check if the URL is correct in your configuration');
    console.error('3. If authentication is required, set N8N_API_KEY environment variable');
    process.exit(1);
  }
}

test();