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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.
