Best n8n LangChain Code Node & Integration: Workflows & Templates
Discover 11 free automation workflows using the LangChain Code.
Top 3 n8n LangChain Code Node Workflows
AI RAG Chatbot for Document Indexing and Qdrant Retrieval
Build a powerful Retrieval-Augmented Generation (RAG) system using this advanced n8n workflow. Index Google Drive documents into Qdrant using OpenAI embeddings and Google Gemini for context-aware Q&A.
LLM Token Usage and Cost Tracking for Client Billing
Use this advanced n8n workflow to accurately track OpenAI token usage and cost per client using the Langchain Code n8n node, enabling automated billing via Google Sheets and Gmail.
Newest n8n LangChain Code Node Workflows
AI RAG Chatbot for Document Indexing and Qdrant Retrieval
Build a powerful Retrieval-Augmented Generation (RAG) system using this advanced n8n workflow. Index Google Drive documents into Qdrant using OpenAI embeddings and Google Gemini for context-aware Q&A.
LangChain Code Execution for YouTube Video Summarization
Use this powerful n8n workflow template to integrate LangChain code directly into your automation. Summarize YouTube transcripts using OpenAI and the specialized n8n node.
LLM Token Usage and AI Agent Observability Tracker via Google Sheets
Use this powerful n8n workflow to track OpenAI token consumption, calculate costs, and monitor AI agent observability metrics, logging all data automatically to Google Sheets. Ideal for cost management.
LLM Token Usage and Cost Tracking for Client Billing
Use this advanced n8n workflow to accurately track OpenAI token usage and cost per client using the Langchain Code n8n node, enabling automated billing via Google Sheets and Gmail.
Daily Newsletter Briefing Generator using AI, Email, and Sheets
Automate daily newsletter ingestion, cleaning, summarization, and distribution using an n8n workflow. This powerful n8n template uses AI to create strategic policy briefs and logs raw data to Google Sheets.
Monitor Gemini Chat Interactions with Langfuse Tracing
Use this powerful n8n workflow to monitor and trace all Gemini 2.5 chat interactions using Langfuse observability. Essential for debugging custom n8n templates and analyzing AI performance.
Dynamic LLM Switching and Self-Correction for AI Agents
Use this dynamic n8n workflow to create resilient AI agents that automatically switch between various OpenAI LLMs based on performance or availability. Leverage custom n8n node logic for cascading models.
Total Workflows
Avg. Complexity
Top CategoryBrowse n8n LangChain Code Node Workflows by Category
AI RAG Chatbot for Document Indexing and Qdrant Retrieval
Build a powerful Retrieval-Augmented Generation (RAG) system using this advanced n8n workflow. Index Google Drive documents into Qdrant using OpenAI embeddings and Google Gemini for context-aware Q&A.
LLM Token Usage and AI Agent Observability Tracker via Google Sheets
Use this powerful n8n workflow to track OpenAI token consumption, calculate costs, and monitor AI agent observability metrics, logging all data automatically to Google Sheets. Ideal for cost management.
LLM Token Usage and Cost Tracking for Client Billing
Use this advanced n8n workflow to accurately track OpenAI token usage and cost per client using the Langchain Code n8n node, enabling automated billing via Google Sheets and Gmail.
Daily Newsletter Briefing Generator using AI, Email, and Sheets
Automate daily newsletter ingestion, cleaning, summarization, and distribution using an n8n workflow. This powerful n8n template uses AI to create strategic policy briefs and logs raw data to Google Sheets.
Resilient AI Agent Flow with Automatic GPT and Gemini Failover Chain
Build robust AI applications using this n8n workflow. Automatically failover between primary (GPT) and secondary (Gemini) models upon failure, ensuring continuous operation.