Browse 7,110 n8n workflow templates in the Langchain category. These ready-to-use automations connect apps and services with n8n — no coding required. Click any workflow to explore its nodes and import it directly into n8n.

7,110 workflows in Langchain
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Generate personalized wealth plans from Google Sheets using Groq Llama 3
Quick overview This workflow pulls the latest Google Form response from Google Sheets, validates basic eligibility and net income, calculates a risk-based investment split, uses Groq (Llama 3) to gene ...
0
Aug 04, 2026
Post RSS blog articles as X threads and LinkedIn posts with Groq
Quick overview This workflow runs hourly to pull new items from an RSS feed, fetches and extracts full article text, uses Groq (via LangChain) to generate a Twitter/X thread and a LinkedIn post, then ...
0
Aug 04, 2026
Run a WhatsApp sales chatbot with Google Gemini, HubSpot, Sheets and Docs
Quick overview This workflow turns incoming WhatsApp messages into AI-assisted sales replies using Google Gemini, while syncing contacts with HubSpot and pulling product and company information from G ...
0
Aug 04, 2026
Notify clients of delayed trade settlements with Google Sheets, Gemini, Slack and Gmail
Quick overview This workflow runs daily to check trade settlements stored in Google Sheets, identifies overdue trades, uses Google Gemini to classify delay reasons and severity, and notifies each affe ...
0
Aug 04, 2026
Audit workflow compliance risk with GPT-4o, Gmail and Google Sheets
Quick overview This workflow receives workflow audit events via a webhook, validates and normalizes the payload, uses OpenAI (GPT-4o) to assess compliance risk, logs results to Google Sheets, and send ...
0
Aug 04, 2026
Analyze event feedback with Google Gemini, Discord, and Gmail
Quick overview This workflow collects attendee feedback via an n8n Form, uses Google Gemini with guardrails to classify sentiment, category, priority, and a summary, stores results in n8n Data Tables, ...
0
Built by TOMOYA TOEI TOMOYA TOEI
Aug 03, 2026
Answer document questions with Ollama and Qdrant retrieval chat bot
Quick overview This workflow provides a local RAG chatbot in n8n that answers chat questions using context retrieved from a Qdrant collection, generating responses with a local Ollama chat model and O ...
0
Aug 03, 2026
Extract ecommerce products to Google Sheets with Snapshot Site and GPT-4o
Quick Overview This workflow runs daily, reads e-commerce category URLs from Google Sheets, captures fully rendered HTML with Snapshot Site, uses an OpenAI chat model to extract structured product dat ...
0
Aug 03, 2026
Save business card contacts from Telegram photos to Google Contacts with Mistral and OpenAI
Quick overview This workflow listens for Telegram messages containing a business card photo and the /business caption, uses Mistral OCR and OpenAI to extract contact details, checks Google Contacts fo ...
0
Built by Dr. Firas Dr. Firas
Aug 03, 2026
Run a restaurant concierge chatbot on Telegram with OpenAI and Google Sheets
Quick overview This workflow runs a Telegram-based restaurant concierge that answers menu questions, takes text or voice orders with an OpenAI agent, and saves confirmed orders to Google Sheets, then ...
0
Built by Dr. Firas Dr. Firas
Aug 03, 2026
Handle e-commerce WhatsApp support with OpenAI, WooCommerce, and Notion
Quick overview This workflow receives inbound WhatsApp messages via Whapi, screens them with OpenAI-powered guardrails, and replies using an OpenAI support agent that can search a Notion knowledge bas ...
1
Built by Dr. Firas Dr. Firas
Aug 03, 2026
Answer WhatsApp sales queries from text, voice, photos, and video with OpenAI and Gemini
Quick overview This workflow indexes a product brochure PDF into an in-memory vector store and then responds to incoming WhatsApp text, voice, image, and video messages using OpenAI and Google Gemini, ...
2
Built by Dr. Firas Dr. Firas
Aug 03, 2026
Index local documents for RAG using Ollama embeddings and Qdrant
Quick overview This workflow ingests a local document file, splits it into chunks, generates embeddings with Ollama (nomic-embed-text), and stores the vectors in a Qdrant collection for on-prem RAG in ...
0
Aug 03, 2026
Answer backlog questions from Slack with Supabase, Gemini, and OpenRouter RAG
Quick Overview This workflow indexes a product backlog PDF into a Supabase vector store and lets users query it from Slack using a slash command, with Google Gemini embeddings for retrieval and an Ope ...
1
Aug 03, 2026
Qualify and route HVAC and plumbing enquiries with OpenAI and Telegram
Quick Overview This workflow receives inbound job enquiries via a webhook, uses OpenAI to classify and summarize them into structured fields, then routes genuine enquiries to Telegram with a separate ...
0
Built by Dmytro Dmytro
Aug 03, 2026
Create YouTube thumbnails and quote cards from Drive videos with OpenAI and Canvora
Quick overview This workflow watches a Google Drive folder for new videos, transcribes the audio with OpenAI, generates a thumbnail headline and pull quotes, sends them to Canvora to design a YouTube ...
0
Built by Jonnie Lane Jonnie Lane
Aug 03, 2026
Generate personalized patient education reports with Google Sheets, Gemini, Brave, and Google Docs
Quick overview Generate personalized, print-ready patient education documents from physician-provided diagnoses, treatment plans, and messages. The workflow finds relevant trusted medical information ...
0
Aug 03, 2026
Create interactive bank expense reports from statements with OpenAI GPT-4o
Quick overview This workflow accepts a bank statement upload (CSV or text-based PDF), parses transactions, uses OpenAI to categorize merchants and generate narrative insights, and returns an interacti ...
0
Aug 03, 2026
Power a Nexora RAG chatbot with Groq, Gemini, Pinecone, Cohere and Google Drive
Quick overview This workflow powers a RAG chatbot that answers chat messages using a Groq Llama model grounded in a Pinecone knowledge base, and automatically updates that knowledge base by ingesting ...
0
Aug 02, 2026
Publish AI-written LinkedIn posts with OpenAI GPT-5 mini and Canvora
Quick overview This workflow runs on a Tue/Thu schedule to generate a LinkedIn post with OpenAI, create a matching LinkedIn-ready image via the Canvora API, and then publish the post text plus the dow ...
3
Built by Jonnie Lane Jonnie Lane
Aug 02, 2026