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n8n

Build, debug, and deploy n8n workflows using official documentation and patterns.

Updated Oct 26, 2025
Search Tags:#workflow automation#OpenAI#RAG#n8n#LangChain#vector store#Code node
One-click install
npx skills add https://github.com/acejou27/skills --skill n8n-acejou27
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: n8n
Source: https://github.com/acejou27/skills/tree/main/n8n/n8n
Command: npx skills add https://github.com/acejou27/skills --skill n8n-acejou27

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill centralizes official n8n documentation and practical patterns to help developers build, debug, and deploy robust automations with confidence.

Core Features & Use Cases

  • Comprehensive guidance for building n8n workflows, including RAG workflows, LangChain integration, and API authentication patterns.
  • Practical examples covering code node usage, date/time handling with Luxon, and Docker/self-hosted hosting scenarios.
  • Use Cases: accelerate workflow creation, debug complex data flows, and integrate AI agents with vector stores and external tools like OpenAI.

Quick Start

Start by reviewing getting_started.md for foundational concepts, then explore workflows.md to understand node connections and data flow. Use Quick Reference patterns in advanced.md as templates, and consult code.md and Luxon docs for data transformation and date-time handling.

Frequently Asked Questions about n8n

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I build a RAG workflow in n8n using LangChain and a vector store?▼

To build a RAG workflow in n8n, you integrate LangChain tools with vector store nodes to ingest and retrieve data. This Skill provides patterns for connecting these components to process queries and return context-aware responses.

Can I use the Code node in n8n for custom data transformation with Luxon?▼

Yes, the Code node allows custom JavaScript data transformation. This Skill covers practical examples for using Luxon within the Code node to handle date and time formatting across your automated workflows.

Does n8n support API authentication patterns for external services like OpenAI?▼

n8n supports API authentication patterns to connect external services like OpenAI. This Skill details methods for configuring credentials and accessing APIs to automate data flows securely.

What is the best way to self-host n8n with Docker?▼

The best way to self-host n8n is using Docker. This Skill includes hosting scenarios and configuration examples for deploying robust automation workflows in a self-hosted environment.

Why does my n8n workflow fail to pass data between nodes correctly?▼

n8n workflow data passing issues often stem from incorrect node connections or data structure mismatches. This Skill helps debug complex data flows by explaining node connections and data transformation patterns.

How do I integrate AI agents with external tools in n8n?▼

You integrate AI agents with external tools in n8n by configuring nodes to pass data between LangChain components and APIs. This Skill provides templates for composing these automated workflows.

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