Skip to main content

@n8n/n8n-nodes-langchain.memorypostgreschat

91 workflows using this node.

Node slug: n8n-n8n-nodes-langchain-memorypostgreschat
Workflow preview: Generate n8n workflows from chat using MCP tools, Claude and Postgres
Free intermediate

Generate n8n workflows from chat using MCP tools, Claude and Postgres

Describe any automation in plain English. This AI agent builds, validates, and deploys a working n8n workflow into yo...

Salman Mehboob
Salman Mehboob
Internal Wiki
11 Apr 2026
0
0
Workflow preview: Build a local RAG chatbot with Ollama, Qwen, BGE-M3 and Postgres PGVector
Free advanced

Build a local RAG chatbot with Ollama, Qwen, BGE-M3 and Postgres PGVector

Build a fully local RAG chatbot using Ollama that works without tool calling — ideal for smaller open source models l...

Wassim Abid
Wassim Abid
Internal Wiki
6 Apr 2026
0
0
Workflow preview: Query your PostgreSQL data in plain English with GPT-4o-mini
Free advanced

Query your PostgreSQL data in plain English with GPT-4o-mini

AI SQL Analytics Agent Chat With Any PostgreSQL Database Using Natural Language This template turns your PostgreSQL d...

Bhautik Trambadia
Bhautik Trambadia
Market Research
15 Mar 2026
48
0
Workflow preview: OpenClaw Clone 🦞: Expandable Personal Telegram AI Agent Template
Free advanced

OpenClaw Clone 🦞: Expandable Personal Telegram AI Agent Template

This workflow implements an advanced AI automation agent (OpenClaw Agent) that interacts with users through Telegram...

Davide Boizza
Davide Boizza
Support Chatbot
12 Mar 2026
2819
0
Workflow preview: AI-Powered WhatsApp Chatbot 🤖📅: Complete Booking Assistant with Gemini & Google
Free advanced

AI-Powered WhatsApp Chatbot 🤖📅: Complete Booking Assistant with Gemini & Google

This workflow implements an AI powered WhatsApp booking assistant for a hair salon. The system allows customers to bo...

Davide Boizza
Davide Boizza
Support Chatbot
10 Mar 2026
944
0
Workflow preview: Run a self-hosted multi-channel AI assistant with Claude, Gemini and Gmail
Free advanced

Run a self-hosted multi-channel AI assistant with Claude, Gemini and Gmail

n8nClaw — Self Hosted AI Assistant A lightweight, self hosted AI assistant built entirely in n8n. Multi channel messa...

Shabbir Noor
Shabbir Noor
Personal Productivity
26 Feb 2026
3540
0
Workflow preview: Transform chatbots into AI advisors with memory and real-time context
Free intermediate

Transform chatbots into AI advisors with memory and real-time context

How it works • Receives a user message from a chat • Uses an LLM node to understand user intent and generate a respon...

Yenire
Yenire
Support Chatbot
22 Jan 2026
138
0
Workflow preview: Build a WhatsApp assistant for text, audio & images using GPT-4o & Evolution API
Free advanced

Build a WhatsApp assistant for text, audio & images using GPT-4o & Evolution API

Build an intelligent WhatsApp assistant that automatically responds to customer messages using AI. This template uses...

A
Antonio Gasso
Support Chatbot
13 Dec 2025
1223
0
Workflow preview: AI study assistant with RAG - Google Gemini with Drive & Supabase vector search
Free advanced

AI study assistant with RAG - Google Gemini with Drive & Supabase vector search

How it works A complete AI powered study assistant system that lets you chat naturally with your documents stored in...

M
Mantaka Mahir
Personal Productivity
9 Nov 2025
801
0
Workflow preview: Capture and score website leads with Gemini RAG, Supabase, Google Sheets and Slack alerts
Free advanced

Capture and score website leads with Gemini RAG, Supabase, Google Sheets and Slack alerts

Turn your website chat into a lead generating machine. Visitors chat with an AI that answers questions from your know...

Dean Pike
Dean Pike
Lead Nurturing
5 Nov 2025
56
0
Workflow preview: Local document question answering with Ollama AI, Agentic RAG & PGVector
Free advanced

Local document question answering with Ollama AI, Agentic RAG & PGVector

🚀 n8n Local AI Agentic RAG Template Author: Jadai kongolo What is this? This template provides an entirely local imp...

J
Jadai kongolo
Internal Wiki
25 Oct 2025
4149
0
Workflow preview: Create personalized email outreach with AI, Telegram bot & website scraping
Free advanced

Create personalized email outreach with AI, Telegram bot & website scraping

Demo Personalized Email This n8n workflow is built for AI and automation agencies to promote their workflows through...

M
Michael A Putra
Lead Nurturing
25 Oct 2025
433
0
Workflow preview: Track personal finances in Google Sheets with AI agent via Slack
Free advanced

Track personal finances in Google Sheets with AI agent via Slack

Who's it for This workflow is perfect for individuals who want to maintain detailed finan...

H
Habeeb Mohammed
Personal Productivity
23 Oct 2025
407
0
Workflow preview: AI multi-agent executive team for entrepreneurs with Gemini, Perplexity and WhatsApp
Free advanced

AI multi-agent executive team for entrepreneurs with Gemini, Perplexity and WhatsApp

This workflow is an AI powered multi agent system built for startup founders and small business owners who want to au...

Shadrack
Shadrack
Miscellaneous
22 Oct 2025
274
0
Workflow preview: Indonesian stock market research agent with Sectors App, Gemini & Tavily
Free advanced

Indonesian stock market research agent with Sectors App, Gemini & Tavily

This n8n workflow demonstrate how to configure AI Agent for financial research purposes especially for IDX data throu...

D
Dzaky Jaya
Market Research
13 Oct 2025
220
0
Workflow preview: Document-based RAG chat assistant with Google Drive, Supabase & OpenAI
Free advanced

Document-based RAG chat assistant with Google Drive, Supabase & OpenAI

What is this? This RAG workflow allows you to build a smart chat assistant that can answer user questions based on an...

J
Jainik Sheth
Internal Wiki
9 Oct 2025
367
0
Workflow preview: Automated law firm lead management & scheduling with AI, Jotform & Calendar
Free advanced

Automated law firm lead management & scheduling with AI, Jotform & Calendar

Youtube Explanation: https://youtu.be/KgmNiV7SwkU This n8n workflow is designed to automate the initial intake and sc...

iamvaar
iamvaar
Lead Nurturing
9 Oct 2025
5173
0
Workflow preview: Automated Gmail support agent with Gemini 2.5, RAG & Cohere reranking
Free intermediate

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...

D
Daniel Nkencho
Support Chatbot
9 Oct 2025
210
0
Workflow preview: Create a self-updating RAG chatbot with Google Drive, Gemini, and Supabase
Free advanced

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...

A
Anirudh Aeran
Internal Wiki
27 Sep 2025
1223
0
Workflow preview: WhatsApp AI assistant with Claude & GPT4O: multi-format processing & productivity suite
Free advanced

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...

Growth AI
Growth AI
Personal Productivity
25 Sep 2025
718
0
Workflow preview: A/B test AI prompts with Supabase, Langchain Agent & OpenAI GPT-4o
Free advanced

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...

v
vanhon
Engineering
21 Sep 2025
179
0
Workflow preview: Create a WhatsApp customer support bot with OpenAI, calendar & email integration
Free advanced

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...

N
Nabin Bhandari
Support Chatbot
5 Sep 2025
1575
0
Workflow preview: Build a RAG knowledge chatbot with OpenAI, Google Drive, and Supabase
Free advanced

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 Googl...

B
Babish Shrestha
Internal Wiki
4 Sep 2025
934
0
Workflow preview: Smarter RAG agents with enriched retrieval and modular workflows
Free advanced

Smarter RAG agents with enriched retrieval and modular workflows

An extendable RAG template to build powerful, explainable AI assistants — with query understanding, semantic metadata...

A
Alejandro Scuncia
Internal Wiki
29 Aug 2025
2006
0