Validates n8n workflow expressions and corrects common syntax errors to ensure reliable automation performance.
This skill provides an expert guide for writing and troubleshooting n8n expressions, ensuring developers correctly use double curly braces, access $json and $node variables, and handle the specific structure of webhook data. It helps prevent common mistakes like incorrect nesting, case-sensitivity issues in node names, and the misuse of expressions within Code nodes, ultimately accelerating the development of robust n8n workflows. By providing standardized patterns for Luxon-based date manipulation and bracket notation for complex field names, it serves as a critical linting and implementation resource for automation engineers.
Key Features
011 GitHub stars
02Corrects data access paths for $json, $node, and $now variables
03Identifies and fixes the common 'webhook body' structure mistake
04Distinguishes between n8n expressions and direct JavaScript in Code nodes
05Provides formatting rules for field names with spaces and special characters
06Validates double curly brace {{}} syntax for dynamic content
Use Cases
01Formatting dates and timestamps using the built-in Luxon-based $now variable
02Accessing data from previous nodes in complex multi-step n8n workflows
03Troubleshooting 'undefined' errors when working with webhook triggers
