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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Draft a weekly AI digest with SerpAPI, Gemini Flash, and WordPress
Quick overview This workflow runs every Friday, searches Google via SerpAPI for the past week, uses Google Gemini to write a source-grounded AI digest in Markdown, converts it to HTML, and creates a d ...
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Sep 19, 2026
Generate fact-checked LinkedIn posts with Groq, Gemini, Pinecone, and Slack
Quick overview This workflow selects and drafts a LinkedIn post from Supabase-sourced topics or newly uploaded Google Drive files, extracts and cleans source content (PDF/image/URL/text), uses Groq an ...
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Built by Akshat Akshat
Sep 19, 2026
Generate branded PDF sales proposals with Gemini, APITemplate.io and Gmail
Quick overview This workflow collects prospect details via an n8n form, uses Google Gemini to draft a structured sales proposal, renders it into a branded PDF using APITemplate.io, and creates a pre-a ...
0
Sep 18, 2026
Qualify event venue leads from Gmail with Gemini, HighLevel, Sheets and Slack
Quick overview Youtube Video: https://youtu.be/T1e7SoVQfbs My Linkedin Profie: https://www.linkedin.com/in/iamvaar/ This workflow monitors a Gmail inbox for new unread enquiries, uses Google Gemini ...
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Built by iamvaar iamvaar
Sep 18, 2026
Generate consulting sales proposals with Google Gemini and Google Slides
Quick overview This workflow turns an Upmeet meeting transcript or newly uploaded Google Drive audio/PDF discovery files into a validated consulting proposal by extracting BEBEDC fields with Google Ge ...
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Built by Farouk Farouk
Sep 18, 2026
Extract recruiting call insights from NUACOM with Gemini and HubSpot
Quick overview This workflow triggers on NUACOM calls, fetches the AI-generated transcript, and uses Google Gemini to extract structured recruiting insights. It writes the Q&A back to the NUACOM call ...
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Built by Stathis Stathis
Sep 18, 2026
Evaluate and rank supplier bids with MySQL, Groq LLM, Notion, and Gmail
Quick overview This workflow manually runs an AI-assisted procurement pipeline that pulls submitted bids from MySQL, converts pricing using FreeCurrencyAPI exchange rates, scores qualitative proposal ...
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Sep 18, 2026
Generate structured research reports with OpenAI, Wikipedia, Google Sheets, and Slack
Quick overview This workflow receives a research topic via webhook, uses OpenAI to generate Wikipedia search queries, pulls and cleans matching Wikipedia extracts, then synthesizes a structured report ...
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Sep 18, 2026
Create and publish short video clips with Reap, OpenAI, Instagram, YouTube, TikTok
Quick overview This workflow turns a source video into a short-form clip using Reap, generates platform-specific captions and metadata with OpenAI, and optionally publishes the result to Instagram Ree ...
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Built by Vladyslav Vladyslav
Sep 18, 2026
Route secure SaaS helpdesk chats with SoterAI, Groq, Pinecone and Cohere
Quick overview This workflow runs a chat-based SaaS helpdesk that protects against prompt injection and redacts sensitive data using SoterAI, then routes requests to Groq-powered agents for knowledge- ...
0
Sep 18, 2026
Schedule and confirm property viewings with Calendly, Gemini, Gmail and Sheets
Quick overview This workflow receives property viewing requests via webhook, uses Google Gemini/OpenAI/Anthropic to draft a proposed schedule with a Calendly link, sends the proposal via Gmail, and lo ...
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Built by Hassan Hassan
Sep 18, 2026
Audit websites from Telegram with GPT-4o-mini and log results to Google Sheets
Quick overview This workflow turns a Telegram bot into a website audit assistant: it extracts a URL from incoming Telegram messages, scrapes the page, uses OpenAI (gpt-4o-mini) to generate a structure ...
0
Sep 18, 2026
Validate civil service exam questions with an AI council using Google Gemini
Quick overview This workflow runs manually to generate and validate a civil-services-style multiple-choice question using Google Gemini, looping up to three times with reviewer feedback until the Exam ...
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Built by Pawan Pawan
Sep 17, 2026
Classify and file email PDF documents with Gmail, pdfRest, Drive and Claude
Quick overview This workflow monitors Gmail for emails with PDF attachments, OCRs scanned documents with pdfRest when needed, converts PDFs to Markdown, uses Anthropic Claude via n8n's Information Ext ...
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Sep 17, 2026
Score and email cleaning quotes from JotForm with Gemini and Google Sheets
Quick overview Youtube Video: https://youtu.be/5QmlxcOuuSg This workflow captures commercial cleaning quote requests from Jotform, uses Google Gemini to extract requirements and draft a quote email, ...
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Built by iamvaar iamvaar
Sep 17, 2026
Cross-check news claims by chat with Webz.io, GPT-4.1-mini, and Google Sheets
Quick Overview This chat-driven workflow uses Webz.io for news search and GPT-4.1-mini to turn results into checkable claims, then labels each claim as corroborated or single-source based on how many ...
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Built by Webz.io Webz.io
Sep 17, 2026
Triage Gmail support inquiries with Google Gemini, Calendar, Sheets, and Discord
Quick overview This workflow watches Gmail for unread “Inquiry Received” emails, uses Google Gemini to classify and summarize the inquiry and draft a reply, calculates an SLA deadline, then create ...
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Built by ryo ryo
Sep 17, 2026
Create AI research briefs and LinkedIn/newsletter drafts with Gemini and RSS
Quick overview This workflow manually collects recent RSS/Atom stories from TechCrunch and The Verge, ranks them by keyword relevance, and optionally uses Google Gemini to generate a research briefing ...
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Built by Botify IT Botify IT
Sep 17, 2026
Send weekly competitor content digests with RSS, Google Sheets, OpenAI and Gmail
Quick Overview This workflow runs every Monday, pulls the latest posts from up to three competitor RSS feeds, logs the titles to Google Sheets, uses OpenAI to generate a weekly competitive analysis (t ...
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Sep 17, 2026
Mine YouTube competitor content ideas with Google Gemini and Google Sheets
Quick overview This workflow runs weekly (or on a form submission) to scan competitor YouTube channels via their RSS feeds, uses Google Gemini to generate and score new content ideas, logs high-scorin ...
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Sep 17, 2026