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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Send daily AI crypto morning brief with CoinGecko, Google Gemini and Telegram
Quick overview This workflow runs daily at 8AM to pull crypto market data from CoinGecko and the Fear & Greed Index, generates a short AI-written morning brief with Google Gemini, logs key metrics to ...
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Built by iamvaar iamvaar
Aug 28, 2026
Monitor competitor brand bidding with Bright Data, GPT-5.6 and Slack
Quick overview This workflow runs every morning to scrape Google paid search ads for your brand queries using Bright Data, logs all sightings to Google Sheets, tracks advertiser history in an n8n Data ...
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Aug 28, 2026
Triage and answer college WhatsApp enquiries with OpenAI and Supabase
Quick overview This workflow ingests college documents from Google Drive into a Supabase vector store, then runs a WhatsApp-based admissions receptionist that handles text, voice, and image enquiries ...
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Aug 28, 2026
Generate and audit original revenge stories with OpenAI
Quick overview This workflow uses OpenAI in n8n to turn a short inspiration text into an original first-person story, generating a new premise from abstract “story DNA” and enforcing originality, ...
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Aug 28, 2026
Generate competitive analysis reports with Figranium, OpenAI and Google Docs
Quick overview This workflow collects structured website research for your company and a competitor using Figranium, compares both with an OpenAI chat model, and saves a detailed competitive intellige ...
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Built by Aser Nasr Aser Nasr
Aug 28, 2026
Generate quizzes and run multiplayer quiz contests with Mistral and Supabase
Quick overview This workflow powers MindArena’s quiz features by generating and retrieving quizzes in Supabase, managing multiplayer contest rooms via a single webhook, and producing personalized qu ...
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Aug 28, 2026
Run an AI hospital triage and booking chatbot with Mistral and Supabase
Quick overview This workflow powers an AI hospital chatbot using Mistral AI and Supabase to answer medical questions from a knowledge base, manage patients, doctors, and appointments, triage urgent me ...
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Aug 28, 2026
Create and optimize B2B LinkedIn AI posts with Groq and Telegram alerts
Quick overview This workflow generates an AI-written LinkedIn post about business automation and AI using Groq models, audits and optimizes it through multiple review passes, validates the final outpu ...
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Built by Louis Noël Louis Noël
Aug 28, 2026
Score and summarize new arXiv AI papers with Claude and Gmail
Quick overview This workflow runs weekly to fetch recent AI papers from arXiv, scores each paper’s relevance with Anthropic Claude, logs scoring results to Google Sheets, summarizes relevant papers, ...
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Aug 28, 2026
Find press release pickups with Bright Data, GPT-5.6, Gmail and Slack
Quick overview This workflow takes a press release URL from an n8n form, uses Bright Data (Web Unlocker and SERP API) to find pages that republish distinctive sentences from the release, analyzes each ...
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Aug 27, 2026
Track competitor App Store listing changes with Bright Data, GPT-5.6 and Slack
Quick overview This workflow runs every Monday, scrapes a list of competitor iOS App Store listings via Bright Data, compares key fields to last week’s snapshot stored in an n8n Data Table, uses Ope ...
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Aug 27, 2026
Track hotel rate positioning with Bright Data, GPT-5.6, Google Sheets and Slack
Quick overview This workflow runs every Monday to scrape Google Hotels rates via Bright Data for four future check-in dates, calculates your property’s price position against a star-banded comp set, ...
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Aug 27, 2026
Catch lookalike domains with Bright Data, GPT-5.6 and Slack
Quick Overview This workflow runs every morning to generate likely typosquat domains for your brand, discovers additional candidates via Bright Data SERP search, fetches each site through Bright Data ...
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Aug 27, 2026
Qualify and route client leads with OpenAI, Supabase, and Gmail
Quick overview This workflow captures client requests via an n8n Form, validates and stores leads in Supabase, uses OpenAI to generate a structured requirements analysis, then calculates a rule-based ...
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Aug 27, 2026
Handle omni-channel customer support with OpenRouter and ElevenLabs
Quick overview This workflow provides an AI customer support assistant for both text chat and voice messages, using OpenRouter for responses, ElevenLabs for speech-to-text and text-to-speech, n8n Data ...
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Aug 27, 2026
Create SEO-optimized WordPress posts from Google Sheets with OpenAI GPT-4o and DALL·E 3
Quick overview Automatically generates SEO-optimized 'SEO-Writing.ai' Style 'Health and lifestyle' category WordPress blog drafts from a Google Sheet queue using Open AI (GPT-4o) for content and DALL� ...
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Aug 27, 2026
Manage reference checks with OpenAI, Airtable, Gmail, and Discord
Reference checks without the chasing. This workflow emails referees, tracks every reply in Airtable, summarizes completed feedback for hiring managers, and nudges slow responders daily. No candidate l ...
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Aug 27, 2026
Track fitness class attendance and retention with Google Sheets, gpt-5.6-terra, Gmail, and Discord
Know exactly who showed up, who is drifting away, and what to do about it. This workflow captures fitness class check-ins via webhook, matches members in Google Sheets, has AI label engagement and dra ...
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Aug 27, 2026
Send childcare daily reports and director digests with Telegram, Gmail, Sheets and DeepSeek
Daily childcare notes turned into parent-ready reports. This workflow takes each teacher's notes from Telegram, matches the child against your Google Sheets roster, and has DeepSeek write a parent-fri ...
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Aug 27, 2026
Manage safety inspections and corrective actions with DeepSeek, Sheets, Gmail and Telegram
Safety inspections that actually follow through. Submit findings via form and this workflow turns non-pass results into AI-written corrective actions, logs everything to Sheets, and chases overdue ite ...
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Aug 27, 2026