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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Triage and log customer inquiries from Gmail and web forms with Groq and Airtable
Quick overview This workflow captures customer inquiries from Gmail or a website form webhook, deduplicates them in Airtable, summarizes new messages with Groq (Llama 3.3) via an AI Agent, posts updat ...
0
Jul 21, 2026
Send AI stock watchlist alerts with Google Sheets, Groq, and Slack
Quick overview This workflow runs on a schedule, reads a stock watchlist from Google Sheets, fetches current NSE prices via an HTTP API and updates the sheet. When a stock’s move exceeds your thresh ...
4
Jul 21, 2026
Generate procurement knowledge base articles with Groq, Gmail, and Google Sheets
Quick overview This scheduled workflow pulls recent resolved procurement tickets and chat queries, clusters similar issues, and uses Groq LLMs to analyze patterns and draft Markdown knowledge base art ...
0
Jul 21, 2026
Run a WhatsApp customer support chatbot with OpenWA, OpenAI and Qdrant
Quick overview This workflow builds a WhatsApp customer-support chatbot using OpenWA and OpenAI, enriched with Qdrant RAG knowledge and optional Gmail escalation to a human agent, plus a manual knowle ...
0
Jul 21, 2026
Track lowest Google Shopping prices with Bright Data, Claude, and Google Sheets
Quick overview This workflow runs daily and checks Google Shopping prices for product keywords stored in Google Sheets using Bright Data snapshots, then uses Anthropic Claude to exclude accessories an ...
1
Jul 21, 2026
Route WhatsApp home-service requests by urgency with Groq, Supabase, and Sheets
Quick Overview This workflow routes incoming WhatsApp home-service requests by using Groq to classify urgency and extract key details, logs every request to Supabase, and either alerts an on-call tech ...
1
Jul 21, 2026
Review your budget from bank statement CSV with Google Gemini and Gmail
Quick Overview This workflow collects a bank statement CSV and monthly budget via an n8n form, summarizes spending totals and top merchants, gets a structured budget review from Google Gemini, logs th ...
0
Jul 21, 2026
Create PDF flashcards, quizzes, and study plans with Gemini and Google Sheets
Quick Overview This workflow collects a PDF and study preferences via an n8n form, extracts its text, uses Google Gemini to generate flashcards, a quiz, key topics, and a study plan, then saves the ca ...
0
Jul 21, 2026
Review resumes against job descriptions with Google Gemini, Gmail, and Sheets
Quick Overview This workflow collects a resume PDF and job description via an n8n form, extracts resume text, uses Google Gemini to generate a match score and improvement report, logs the results to G ...
0
Jul 21, 2026
Turn whiteboard photos into meeting notes with Gemini and Google Sheets
Quick Overview This workflow collects a meeting title, attendee emails, and a whiteboard photo via an n8n form, uses Google Gemini to extract structured meeting notes and action items, logs results to ...
0
Jul 21, 2026
Create WordPress drafts with Claude Haiku and Pexels images
Quick overview This workflow takes a blog post title and content, generates a short Pexels search phrase with Anthropic Claude, downloads a matching stock photo from Pexels, uploads it to your WordPre ...
0
Built by Meridian IA Meridian IA
Jul 21, 2026
Expose workflows as an MCP server for Claude and OpenAI agents
Quick overview This workflow exposes selected n8n workflows as Model Context Protocol (MCP) tools, letting MCP clients (like Claude Desktop) discover, allowlist, and execute tagged workflows. It uses ...
0
Built by Dr. Firas Dr. Firas
Jul 21, 2026
Track Google keyword rankings with Apify, OpenAI, Google Sheets and Gmail
Quick overview This workflow runs daily to scrape Google SERPs for a list of keywords using Apify, logs ranking results to Google Sheets, generates an HTML SEO summary with OpenAI, and emails the repo ...
14
Built by Dr. Firas Dr. Firas
Jul 21, 2026
Generate on-page SEO audit reports from a web form with GPT-5 mini and Gmail
Quick overview This workflow collects a landing page URL and email via an n8n form, fetches and analyzes the page with OpenAI (gpt-5-mini) to generate technical and content SEO audits, emails the comb ...
2
Built by Dr. Firas Dr. Firas
Jul 21, 2026
Create AI news shorts from Hacker News with OpenAI, AtlasCloud and Blotato
Quick overview This workflow fetches trending Hacker News front-page stories for a keyword, uses OpenAI to select one and write a short-form video brief, generates an AI video via AtlasCloud, then pub ...
0
Built by Dr. Firas Dr. Firas
Jul 20, 2026
Generate client proposals from form inputs with OpenAI, Google Slides, and Drive
Quick overview This workflow collects prospect and project details via an n8n form, uses OpenAI to generate proposal copy variables, copies a Google Slides proposal template from Google Drive, and rep ...
0
Jul 20, 2026
Screen and route AI-scored job applications with Airtable, Google Drive and OpenRouter
Quick Overview This workflow collects job applications via an n8n Form, checks duplicates in Airtable, stores CV files in Google Drive, and uses OpenRouter to score and summarize each CV for an n8n Au ...
1
Jul 20, 2026
Log Quora keyword mentions to Google Sheets with SearchApi and OpenAI
Quick overview This workflow runs manually or daily to find new Quora posts matching your keywords using SearchApi’s Google results, summarizes each post with OpenAI, and appends only previously uns ...
0
Built by Sam Gale Sam Gale
Jul 20, 2026
Screen rental applicants with Telegram, OpenAI, Gmail and Google Sheets
Quick Overview This workflow captures rental applications from Telegram, uses OpenAI to extract applicant details and score risk after a credit/background API check, logs everything in Google Sheets, ...
18
Built by Rahul Joshi Rahul Joshi
Jul 20, 2026
Route Telegram customer complaints with OpenAI and Google Sheets
Quick overview This workflow handles customer order complaints submitted via Telegram by looking up order details in Google Sheets, using OpenAI to classify message sentiment, and routing each case to ...
1
Built by Rahul Joshi Rahul Joshi
Jul 20, 2026