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@n8n/n8n-nodes-langchain.chat

39 workflows using this node.

Node slug: n8n-n8n-nodes-langchain-chat
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: Detect human vs AI text using stylometric metrics and multiโ€agent LLM debate
Free advanced

Detect human vs AI text using stylometric metrics and multiโ€agent LLM debate

Stop guessing if text came from ChatGPT. Let three AI agents argue about it using forensic data. Paste any text and g...

Mychel Garzon
Mychel Garzon
Document Extraction
1 Apr 2026
3
0
Workflow preview: Combine answers from OpenAI, Anthropic, Gemini and Groq into one consensus
Free advanced

Combine answers from OpenAI, Anthropic, Gemini and Groq into one consensus

Stop trusting one model. Let multiple LLMs show you where they agree and where they don't. Ask the same question to m...

Mychel Garzon
Mychel Garzon
Engineering
31 Mar 2026
2
0
Workflow preview: Build an AI confidence coach for women with GPT-4o, Google Sheets and Gmail
Free advanced

Build an AI confidence coach for women with GPT-4o, Google Sheets and Gmail

๐Ÿ“Š Description Most career advice is generic. This workflow builds a fully personalized AI coaching system that remem...

Rahul Joshi
Rahul Joshi
Personal Productivity
13 Mar 2026
2992
0
Workflow preview: AI-Powered WhatsApp Chatbot ๐Ÿค–๐Ÿ“…: Complete Booking Assistant with Gemini & Google
Free advanced

AI-Powered WhatsApp Chatbot ๐Ÿค–๐Ÿ“…: 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: Production AI Playbook: Human Oversight (Exercise 1)
Free intermediate

Production AI Playbook: Human Oversight (Exercise 1)

Review AI drafted customer responses before they go out. This template sets up a chat based approval flow where an AI...

Elvis Sarvia
Elvis Sarvia
Ticket Management
4 Mar 2026
243
0
Workflow preview: Automate Job applications ๐Ÿง‘๐Ÿปโ€๐Ÿ’ผ๐Ÿ“„with Chatbot, PredictLeads and ScrapegraphAI
Free advanced

Automate Job applications ๐Ÿง‘๐Ÿปโ€๐Ÿ’ผ๐Ÿ“„with Chatbot, PredictLeads and ScrapegraphAI

This Chatbot automates the process of discovering job openings and generating tailored job application emails. It com...

Davide Boizza
Davide Boizza
Personal Productivity
2 Mar 2026
185
0
Workflow preview: Turn your website docs into a GPT-4.1-mini support chatbot with MrScraper and Pinecone
Free advanced

Turn your website docs into a GPT-4.1-mini support chatbot with MrScraper and Pinecone

Description This n8n template turns any website or documentation portal into a fully functional AI powered support ch...

riandra
riandra
Support Chatbot
2 Mar 2026
40
0
Workflow preview: Multi-AI Council Research ๐Ÿ”: GPT 5.2, Claude Opus 4.6 & Gemini 3 Pro Aggregation
Free advanced

Multi-AI Council Research ๐Ÿ”: GPT 5.2, Claude Opus 4.6 & Gemini 3 Pro Aggregation

This workflow implements a multi model AI orchestration with the BEST models at now ( ChatGPT 5.2, Claude Opus 4.6, G...

Davide Boizza
Davide Boizza
Market Research
9 Feb 2026
287
0
Workflow preview: Track MPESA and Airtel mobile payments in a fundraising WhatsApp group
Free advanced

Track MPESA and Airtel mobile payments in a fundraising WhatsApp group

Try It Out! This n8n templates assists with keeping track of mobile payments within a fundraising WhatsApp group. Use...

Mabura Ze Guru
Mabura Ze Guru
File Management
4 Feb 2026
138
0
Workflow preview: Turn a YouTube channel into a second brain with Neo4j GraphRAG and GPT-4o-mini
Free advanced

Turn a YouTube channel into a second brain with Neo4j GraphRAG and GPT-4o-mini

AI powered "Second Brain" that can answer questions about any YouTube channel's content using Neo4j Graph Database an...

Hugo Le Poole
Hugo Le Poole
Internal Wiki
19 Jan 2026
372
0
Workflow preview: Identify buying-intent leads on Twitter and Instagram with Slack and Notion CRM
Free advanced

Identify buying-intent leads on Twitter and Instagram with Slack and Notion CRM

๐Ÿ“˜ Description This workflow enables on demand social lead discovery using a chat based interface. When a user submit...

Rahul Joshi
Rahul Joshi
Lead Generation
9 Jan 2026
38
0
Workflow preview: Build a cost-efficient Lookio RAG chatbot with GPT-4.1 models for knowledge Q&A
Free advanced

Build a cost-efficient Lookio RAG chatbot with GPT-4.1 models for knowledge Q&A

This template provides a high performance, cost optimized alternative to standard AI Agents for building RAG (Retriev...

Guillaume Duvernay
Guillaume Duvernay
Support Chatbot
6 Jan 2026
54
0
Workflow preview: Discover buying-intent leads on Twitter and Instagram with GPT-4o-mini and send summaries to Slack and Notion
Free advanced

Discover buying-intent leads on Twitter and Instagram with GPT-4o-mini and send summaries to Slack and Notion

๐Ÿ“Š Description Automate B2B lead discovery by identifying high intent prospects directly from Reddit discussions usin...

Rahul Joshi
Rahul Joshi
AI RAG
24 Dec 2025
46
0
Workflow preview: Compare LLM token costs across 350+ models with OpenRouter
Free advanced

Compare LLM token costs across 350+ models with OpenRouter

This n8n template lets you run prompts against 350+ LLM models and see exactly what each request costs with real time...

P
Philflow
Engineering
24 Dec 2025
68
0
Workflow preview: Standardize daily construction reports with OpenAI, Gmail and Google Sheets
Free advanced

Standardize daily construction reports with OpenAI, Gmail and Google Sheets

AI Driven daily construction report (DCR) standardization What This Workflow Does Standardize Daily Construction Repo...

Alysson Neves
Alysson Neves
Project Management
18 Dec 2025
121
0
Workflow preview: Extract company data from websites with Gemini AI through chat conversation
Free advanced

Extract company data from websites with Gemini AI through chat conversation

How it works Please send a corporate website URL via chat. The AI will investigate the company website on your behalf...

H
Hirokazu Kawamoto
Market Research
11 Dec 2025
91
0
Workflow preview: Compare GPT-4, Claude & Gemini Responses with Contextual AI's LMUnit Evaluation
Free advanced

Compare GPT-4, Claude & Gemini Responses with Contextual AI's LMUnit Evaluation

PROBLEM Evaluating and comparing responses from multiple LLMs (OpenAI, Claude, Gemini) can be challenging when done m...

J
Jinash Rouniyar
Engineering
9 Dec 2025
868
0
Workflow preview: Retrieve answers from Knowledge Base with InfraNodus GraphRAG chatbot
Free intermediate

Retrieve answers from Knowledge Base with InfraNodus GraphRAG chatbot

Basic AI Chatbot that Retrieves Answers From Knowledge Base Using GraphRAG. Easiest setup, without vector database, e...

I
InfraNodus
Support Chatbot
7 Dec 2025
88
0
Workflow preview: Build an internet search chatbot with Firecrawl API
Free advanced

Build an internet search chatbot with Firecrawl API

Internet Search Chat with Firecrawl How it works 1. A user sends a query via the chat widget and the Chat Trigger cap...

Alysson Neves
Alysson Neves
Internal Wiki
22 Nov 2025
66
0
Workflow preview: Generate complete SEO strategy reports with SerpAPI data and GPT-4 Agent team
Free advanced

Generate complete SEO strategy reports with SerpAPI data and GPT-4 Agent team

This workflow deploys a fully autonomous "AI SEO Agency" inside your n8n instance. Unlike simple chatbots, this is a...

Pixril
Pixril
Market Research
21 Nov 2025
1749
0
Workflow preview: Reduce LLM Costs with Semantic Caching using Redis Vector Store and HuggingFace
Free advanced

Reduce LLM Costs with Semantic Caching using Redis Vector Store and HuggingFace

Stop Paying for the Same Answer Twice Your LLM is answering the same questions over and over. "What's the weather?" "...

T
Tihomir Mateev
Engineering
16 Nov 2025
1229
0
Workflow preview: Sales CRM chatbot with GPT-4o-mini, Google Sheets lookup & memory
Free advanced

Sales CRM chatbot with GPT-4o-mini, Google Sheets lookup & memory

๐Ÿ“˜ Description: This workflow creates a fully interactive AI powered Sales CRM Chatbot inside n8n, capable of underst...

Rahul Joshi
Rahul Joshi
CRM
14 Nov 2025
268
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