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
Nodes:
Sort:
Date:
Quick overview
This workflow runs a Telegram concierge for hotel guests, uses OpenAI (gpt-4o-mini) to classify requests, and updates Google Sheets to manage drivers, room extensions, maintenance ticke ...
Quick overview
This workflow listens for Telegram bot messages, uses OpenAI (gpt-4o-mini) to detect language and classify intent, then routes requests to either lead qualification, EMI calculation, or ...
Quick overview
This workflow watches Gmail for new emails with resume attachments, extracts text from PDF, and uses Google Gemini to evaluate candidates against role requirements. It logs each screeni ...
Quick overview
This workflow runs every Monday and uses OpenAI to generate a social post concept, then sends it to the Canvora API to create on-brand visuals in selected formats and posts the finished ...
Quick Overview
This workflow runs every 15 minutes to pull procurement transactions and department budgets from Google Sheets, calculate spend utilization and forecasts, generate executive risk insigh ...
Quick overview
This scheduled workflow benchmarks internal procurement prices from Google Sheets against historical averages, enriches each item with Google News RSS trend signals, and uses Groq (Llam ...
Quick overview
This workflow polls your Gmail inbox every 15 minutes, uses OpenAI to classify unread emails as URGENT, STANDARD, or SPAM, drafts reply emails for non-spam messages, posts a review noti ...
Quick Overview
This workflow receives Salesforce Quote events via a webhook, enriches them with Salesforce Opportunity and Account data, benchmarks the deal against historical outcomes stored in Googl ...
Quick overview
This workflow ingests onboarding documents from Google Drive into an in-memory vector store with Google Gemini embeddings, then runs a multi-channel onboarding chatbot powered by Groq, ...
Quick overview
Turn every Facebook ad lead into a qualified, followed-up prospect within seconds. AI scores their intent, sends a personalized email tailored to their score, logs campaign intelligence ...
Quick Overview
This workflow runs every morning to pull jobs from multiple free job boards (and optional Adzuna), filters and de-duplicates results, scores each role against your resume and preference ...
Quick overview
This workflow reads contacts from Google Sheets, uses Google Gemini to classify each contact’s job function and seniority from their job title and company name, and writes the Functio ...
Quick overview
This workflow runs daily, reads real estate listing URLs from Google Sheets, captures rendered HTML with Snapshot Site, extracts structured listing details using OpenAI via n8n’s Info ...
Quick Overview
This workflow monitors Gmail for unread emails with PDF attachments, uses Google Gemini to extract Japan Electronic Books Preservation Act filing metadata, logs a searchable index in Go ...
Quick Overview
This workflow runs weekly to search the public jGrants API for open Japanese subsidies, scores each subsidy’s fit for your company using Google Gemini, logs results to Google Sheets, ...
Quick Overview
This workflow runs weekly to check Japanese business partners listed in Google Sheets against the gBizINFO corporate registry API, uses Google Gemini to assess the risk impact of detect ...
Quick Overview
This workflow runs weekly to read attendance overtime from Google Sheets, totals it per employee and month, uses Google Gemini to classify risk against Japanese labour-law limits, write ...
Quick Overview
This workflow opens an n8n chat interface where an AI agent powered by Anthropic Claude answers questions by reading a connected Google Doc and/or Google Sheet on demand, using short-te ...
Quick Overview
This workflow monitors Gmail for new messages, applies rule-based pre-classification, and uses OpenAI to categorize ambiguous emails as lead, review, or trash, then applies Gmail labels ...
Quick overview
This workflow checks competitor pricing pages each morning, compares the latest visible text to the previous snapshot stored in Google Sheets, and uses OpenAI to summarize meaningful ch ...