@n8n/n8n-nodes-langchain.memorypostgreschat
98 workflows using this node.
What is the @n8n/n8n-nodes-langchain.memorypostgreschat node used for in n8n workflows?
@n8n/n8n-nodes-langchain.memorypostgreschat n8n workflows are automation templates that use the @n8n/n8n-nodes-langchain.memorypostgreschat node as part of a reusable workflow. Builders use these templates to inspect how the node connects with triggers, data transformation steps, app integrations, notifications, storage, or AI-powered actions inside n8n. Each workflow listing includes a title, summary, author attribution, categories, complexity level, source links when available, and a downloadable JSON file for review before import. Use this page to compare practical examples, understand the surrounding nodes, and choose a template that can be safely tested and adapted in your own n8n workspace.
n8n-n8n-nodes-langchain-memorypostgreschat 
Automated Gmail support agent with Gemini 2.5, RAG & Cohere reranking
AI Email Support Agent with RAG & Cohere Reranking Transform your inbox into an intelligent support system: automatic...
Create a self-updating RAG chatbot with Google Drive, Gemini, and Supabase
This template creates a comprehensive, production ready Retrieval Augmented Generation (RAG) system. It builds a soph...
WhatsApp AI assistant with Claude & GPT4O: multi-format processing & productivity suite
WhatsApp AI Personal Assistant n8n Workflow Instructions Who's it for This workflow is designed for business professi...
A/B test AI prompts with Supabase, Langchain Agent & OpenAI GPT-4o
Split Test AI Prompts Using Supabase & Langchain Agent This workflow allows you to A/B test different prompts for an...
Create a WhatsApp customer support bot with OpenAI, calendar & email integration
Who’s it for This template is for businesses, customer support teams, and professionals who want to deliver AI powere...
Build a RAG knowledge chatbot with OpenAI, Google Drive, and Supabase
Build Your Own Knowledge Chatbot Using Google Drive Create a smart chatbot that answers questions using your Google D...
Smarter RAG agents with enriched retrieval and modular workflows
An extendable RAG template to build powerful, explainable AI assistants — with query understanding, semantic metadata...
AI-powered Zendesk support responses with RAG, OpenAI, and Supabase knowledge base
How it works This workflow automates first responses to new Zendesk tickets with the help of AI and your internal kno...
AI-powered WhatsApp customer service with GPT-4, smart routing & knowledge base
AI Powered Customer Service Automation with Smart Routing How it works Core Intelligence Pipeline • Multi Layer Messa...
Multi-agent healthcare assistant with WhatsApp, GPT-4 & Google Sheets
Multi Agent AI Healthcare Assistant Demo ️ EDUCATIONAL DEMONSTRATION ONLY NOT FOR PRODUCTION MEDICAL USE ️ A comprehe...
Automate business partner outreach with Google Maps, GPT-4 & WhatsApp
Automate Outreach Prospect automates finding, enriching, and messaging potential partners (like restaurants, malls, a...
Manage Appian tasks with Ollama Qwen LLM and Postgres memory
This workflow is a simple example of using n8n as an AI chat interface into Appian. It connects a local LLM, persiste...
Ai voice & text note-taking with LINE Messaging, Supabase Vector DB & Gmail
Overview This workflow lets you capture, store, and retrieve notes from LINE chats — both text and voice messages — a...
Process multiple media files in Telegram with Gemini AI & PostgreSQL database
Telegram AI Assistant with Multi File Media Group Handling, Smart File Processing & PostgreSQL Integration AI powered...
Create a knowledge-powered chatbot with Claude, Supabase & Postgres
Intelligent chatbot with custom knowledge base Who's it for Businesses, developers, and organizations who need a cust...
Automate HighLevel CRM with GPT-5, knowledge retrieval & document context
Supercharge Your HighLevel CRM with the Power of GPT 5 Unleash the full potential of your HighLevel CRM by adding an...
AI-powered HighLevel CRM automation with GPT and MCP for contact and task management
HighLevel MCP Full CRM Automation With the HighLevel MCP Automation Workflow , you unlock the full potential of AI dr...
AI multi-source agent with GPT-4, Perplexity Search, Supabase and Google Sheets
GPT 5 MCP Multi Source Orchestrator Overview GPT 5 MCP Multi Source Orchestrator is a next generation AI agent for n8...
Chat with documents via RAG: Google Drive to GPT-5 with Supabase vector database
n8n RAG Ingestion & Query Workflow Overview This workflow is your all in one pipeline to turn any document into a pow...
Create personal data vector store from Google Sheets with OpenAI & Gemini AI
This workflow integrates Google Sheets with Supabase Vector Store for storing personal data as vectors. It utilizes O...
Restaurant order & delivery system for WhatsApp with GPT-4o and Supabase
How it works This workflow creates a complete AI powered restaurant ordering system through WhatsApp. It receives cus...
Real estate chatbot with AI property matching and automated calendar scheduling
Description A comprehensive real estate chatbot automation system that handles customer inquiries, property searches,...
Business AI command center: Modular agents for Google Workspace, vector search & multi-channel reports
AI OPS Agent for n8n — Stop Doing Busy Work. Start Leading. Your AI workforce is ready. Are you? What You Get: Your R...
Automate WhatsApp sales with DeepSeek AI, Google Sheets and Gmail notifications
Turn WhatsApp Into a 24/7 AI Sales Assistant — n8n + DeepSeek + Sheets + Gmail ️ Self Hosted n8n Only Description Tur...