n8n Best Practices

When to use this skill: Any time you're working with n8n workflows and encounter errors, unexpected behavior, or need guidance on implementation patterns.

Critical Knowledge Base

🚨 ES5 Syntax Only in Code Nodes

n8n Code nodes only support ES5 JavaScript. Modern ES6+ syntax will fail.

❌ DO NOT USE:

// Arrow functions
const process = (item) => item.value;

// Template literals
const url = `https://api.example.com/${id}`;

// const/let