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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Parse and score resumes with OpenAI GPT-4o, Google Drive, PostgreSQL and Slack
Quick overview This workflow collects resume uploads via an n8n form, stores the file in Google Drive, extracts and parses the resume with OpenAI into structured candidate data, calculates a simple fi ...
0
Sep 14, 2026
Process and validate invoices with OpenAI, PostgreSQL, and Slack
Quick Overview This workflow receives invoice PDFs via a webhook, extracts and cleans the text, uses OpenAI to parse key invoice fields into JSON, validates required data, stores successful invoices i ...
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Sep 14, 2026
Ingest LinkedIn posts from Google Drive into Pinecone with Gemini and Supabase
Quick overview This workflow watches a Google Drive folder for new LinkedIn post screenshots or PDFs, extracts the text (including OCR), uses Groq and Google Gemini to extract reusable writing pattern ...
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Built by Akshat Akshat
Sep 14, 2026
Orchestrate multi-store order allocation with OpenAI, Postgres, and Slack
Quick overview This workflow receives new order webhooks, uses OpenAI to plan and execute inventory reservations across multiple stores via HTTP APIs, logs allocation decisions to Postgres, and either ...
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Sep 14, 2026
Generate video ad scenes from URLs with Tavily, Google Gemini, OpenAI and JSON2Video
Quick Overview This workflow accepts a website URL via webhook, crawls and structures the site content with Tavily and Google Gemini, generates three ad scenes and a voiceover with OpenAI, renders a c ...
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Built by Abu Bakar Abu Bakar
Sep 14, 2026
Qualify and score omnichannel leads with OpenAI, Gmail, and Google Sheets
Quick overview This workflow captures inbound leads from Gmail or a webhook, uses OpenAI to extract qualification signals, scores and classifies each lead, logs it to Google Sheets, and creates a pers ...
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Built by ahmad ahmad
Sep 13, 2026
Benchmark employer brand on Glassdoor with Bright Data, OpenAI, Sheets and Slack
Quick overview This workflow runs monthly (or on demand) to crawl Glassdoor reviews via Bright Data for your company and competitors, aligns the review date windows, benchmarks ratings across Glassdoo ...
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Sep 13, 2026
Track competitor X announcements with Bright Data, OpenAI, Sheets and Slack
Quick Overview This workflow runs each weekday morning to crawl selected X (Twitter) accounts via Bright Data, score posts against each account’s normal engagement, summarize notable announcements w ...
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Sep 13, 2026
Find competitor feature gaps from app reviews with Bright Data, OpenAI, Google Sheets and Slack
Quick overview This workflow runs weekly (or manually) to crawl competitor app reviews from Google Play and the Apple App Store via Bright Data, uses OpenAI to name requested features, compares them t ...
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Sep 13, 2026
Recover lost backlinks with DataForSEO, OpenAI, Google Sheets, and Slack
Quick overview This workflow runs weekly to fetch recently lost backlinks from DataForSEO, deduplicate them by referring domain, and triage each loss with a live status check. It logs results to Googl ...
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Sep 13, 2026
Monitor Reddit brand mentions and send lead alerts with Apify and Slack
Quick overview Searches Reddit posts and comments for your brand, product or competitor keywords every six hours via Apify, with no Reddit API app or OAuth. Removes seen threads, filters real hits, op ...
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Sep 13, 2026
Qualify B2B leads with OpenAI, PostgreSQL, and human email approval
Quick overview This workflow receives B2B lead submissions via webhook, stores them in PostgreSQL, and uses an OpenAI-powered n8n AI Agent with Postgres-backed memory to score and draft next steps. It ...
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Sep 12, 2026
Qualify property leads on WhatsApp with Google Sheets, Gemini, and HighLevel
Quick overview Youtube Video: https://youtu.be/zuvs-7xHKNs This workflow replies to incoming WhatsApp messages, de-duplicates and debounces them with Redis, pulls a property inventory from Google She ...
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Built by iamvaar iamvaar
Sep 12, 2026
Generate real estate listing social posts with Google Gemini and Gmail
Quick overview Turn every new listing into four ready-to-post social media captions in 30 seconds. Fill in a Google Form with your listing details, and Gemini AI generates platform-specific posts for ...
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Built by Hassan Hassan
Sep 12, 2026
Segment donors and draft personalized outreach with Google Sheets and Ollama
Quick overview This workflow pulls donor records from Google Sheets, validates and segments donors using RFM and engagement signals, generates personalized outreach drafts with a local Ollama Llama 3. ...
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Built by Tien Nguyen Tien Nguyen
Sep 11, 2026
Score tenant churn risk with Google Sheets, Gemini, Gmail and Slack
Quick overview YouTube video: https://youtu.be/wtTylRmZ4D8 This workflow runs daily to score tenant churn risk using Google Sheets data and Google Gemini sentiment analysis, then updates the tenant sp ...
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Built by iamvaar iamvaar
Sep 11, 2026
Route Telegram support with Groq, Pinecone, Supabase, and Slack
Quick overview RELAY is a Telegram support agent that answers from your real knowledge base and live order data — not guesses. An AI agent drafts each reply, a second model reviews it before sending ...
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Built by Akshat Akshat
Sep 11, 2026
Check a public web page for broken links and images with PowMCP
Quick overview This workflow runs on demand to check a specified public webpage for broken links and images by calling the PowMCP hosted broken-link checker, returning both a human-readable report and ...
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Built by PowMCP PowMCP
Sep 11, 2026
Audit procurement compliance with Google Sheets, Google Gemini, and Gmail
Quick overview This scheduled workflow audits procurement transactions from Google Sheets against regulatory rules, generates a batch compliance report with Google Gemini, logs transaction-level alert ...
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Sep 11, 2026
Triage contract auto-renewal risks with Google Sheets, Groq, and Slack
Quick overview This workflow runs on a daily schedule to review contract records in Google Sheets, calculates auto-renewal risk, uses a Groq-hosted chat model to generate renewal recommendations for f ...
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Sep 11, 2026