Validates and fixes n8n expression syntax to ensure reliable automation workflows.
The n8n Expression Syntax skill provides Claude with deep knowledge of n8n's expression language, enabling it to write, validate, and debug complex data transformations within workflows. It helps users navigate common pitfalls such as the nested structure of webhook data, case-sensitivity in node references, and the specific syntax requirements for $json and $node variables. This skill is essential for developers looking to eliminate 'undefined' errors and ensure their automation logic performs correctly across various node types, including HTTP requests and custom Code nodes.
Características Principales
01Correct mapping for webhook body data structures
02Troubleshooting $json and $node variable references
03Code node vs. expression context differentiation
04Luxon date manipulation and formatting guidance
05Validation of double curly brace {{}} syntax
061 GitHub stars
Casos de Uso
01Writing dynamic URLs and email templates in n8n nodes
02Transforming timestamps using Luxon methods within automation workflows
03Fixing 'undefined' errors when accessing incoming webhook data
