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BUILTIN_FUNCTIONS

Complete reference for n8n's built-in JavaScript functions and helpers.

  • Skills
  • Workflow Automation
  • 0

What it does and how to use it

A skill that teaches Claude Code to do workflow automation tasks well. It is packaged knowledge the model uses whenever it is relevant.

  1. Install the skill (command above).
  2. In Claude Code, describe what you need - the skill turns on by itself when the context fits.
  3. No commands to memorize: you talk in plain language and the skill does the rest.

Install (Claude Code)

mkdir -p .claude/skills/builtin-functions && curl -fsSL https://doutorai.pt/data/lib/skills__builtin-functions.md -o .claude/skills/builtin-functions/SKILL.md

Paste this command into the terminal, in your project folder, and the component installs automatically.

Content

# Built-in Functions - JavaScript Code Node

Complete reference for n8n's built-in JavaScript functions and helpers.

---

## Overview

n8n Code nodes provide powerful built-in functions beyond standard JavaScript. This guide covers:

1. **$helpers.httpRequest()** - Make HTTP requests
2. **DateTime (Luxon)** - Advanced date/time operations
3. **$jmespath()** - Query JSON structures
4. **$getWorkflowStaticData()** - Persistent storage
5. **Standard JavaScript Globals** - Math, JSON, console, etc.
6. **Available Node.js Modules** - crypto, Buffer, URL

---

## 1. $helpers.httpRequest() - HTTP Re

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