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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Analyze Google Ads competitors with Bright Data, OpenRouter and OpenAI
Quick Overview This workflow runs daily, reads keywords from Google Sheets, scrapes Google SERP ads via the Bright Data API, analyzes ad messaging and sitelinks with OpenRouter, and generates an HTML ...
0
Jun 16, 2026
Build a Placetel RAG voice assistant with Google Drive, Supabase and Groq
Quick Overview This workflow indexes text files from Google Drive into a Supabase vector store using OpenAI embeddings, then answers Placetel webhook questions with a Groq-hosted Llama model using ret ...
0
Built by Placetel Placetel
Jun 16, 2026
Scrape product prices and send GPT-4o-mini insights to Google Sheets and Gmail
Quick Overview This workflow runs daily at 9 AM to scrape product titles and prices from a target website, store the results in Google Sheets, generate price statistics and an OpenAI GPT-4o-mini marke ...
0
Jun 16, 2026
Route CI/CD failure alerts with OpenAI, Slack, Linear, Sheets and Gmail
Quick Overview This workflow receives CI/CD failure webhooks, classifies severity by branch, uses OpenAI to generate a root-cause diagnosis and remediation, then alerts Slack, creates a Linear issue, ...
0
Jun 16, 2026
Unpublish NSFW ImageKit uploads with GPT-4o Vision via OpenRouter
Quick Overview This workflow triggers on new ImageKit uploads, downloads the image, uses OpenRouter (OpenAI GPT-4o) vision to run an NSFW check, and automatically unpublishes flagged assets in ImageKi ...
0
Jun 16, 2026
Detect and route customer escalations with Claude, Slack and Linear
Quick Overview This workflow receives support messages via a webhook, normalizes payloads from Gmail, Zendesk, Intercom, and HelpScout, and uses Anthropic Claude to detect escalation signals and sever ...
0
Jun 15, 2026
Verify receipts and invoices with OpenAI vision, Slack and Google Sheets
Quick Overview This workflow receives receipt or invoice image URLs via a webhook, uses OpenAI Vision to extract structured totals and currency, validates them against expected booking values, logs th ...
0
Jun 15, 2026
Answer hotel guest messages with GPT-4o mini, Slack, and Google Sheets
Quick Overview This workflow receives guest messages via a webhook, uses OpenAI (GPT-4o-mini) to generate multilingual hotel support replies with an escalation flag, notifies the front desk in Slack w ...
0
Jun 15, 2026
Qualify inbound leads with OpenAI, HubSpot, Slack and Gmail
Quick Overview This workflow captures inbound website leads via an n8n form, uses OpenAI to infer firmographics and score ICP fit, upserts the lead into HubSpot, and for high-priority leads posts an i ...
0
Jun 15, 2026
Quote freight shipments via WhatsApp with Google Gemini, HighLevel, and Warp
Quick overview Youtube Video: https://youtu.be/kO4LgKT6oME?si=VpUEz2LKuxMujrUp This workflow receives WhatsApp messages, checks the sender in HighLevel, and uses Google Gemini with Redis chat memory t ...
0
Built by iamvaar iamvaar
Jun 15, 2026
Generate blog content ideas with Google Sheets, RSS feeds and OpenAI
Quick Overview This workflow runs weekly to pull existing blog titles and prior AI ideas from Google Sheets, gathers recent keyword-matching headlines from multiple RSS feeds, uses OpenAI to generate ...
0
Built by n8n Lab n8n Lab
Jun 15, 2026
Triage construction incidents with GPT-4o, Slack, Gmail and Google Sheets
Quick Overview This workflow ingests construction incident webhooks, normalizes the payload, and uses OpenAI GPT-4o-mini to classify each incident by type and urgency, then routes alerts to Slack and ...
0
Built by Rahul Joshi Rahul Joshi
Jun 15, 2026
Send milestone billing invoices with Google Sheets, GPT-4o mini, Gmail and Slack
Quick Overview This workflow polls a Google Sheets milestone tracker every 15 minutes, calculates milestone-based invoice amounts, uses OpenAI (gpt-4o-mini) to draft invoice messaging, emails the invo ...
0
Built by Rahul Joshi Rahul Joshi
Jun 15, 2026
Send weekly project health dashboard with Google Sheets, GPT-4o mini and Gmail
Quick Overview This workflow runs every Friday at 5 PM, reads project metrics from three Google Sheets tabs, calculates a Red/Amber/Green health status, uses OpenAI (GPT-4o mini) to generate executive ...
0
Built by Rahul Joshi Rahul Joshi
Jun 15, 2026
Screen LinkedIn jobs and generate tailored resume and cover PDFs with Anthropic and DocRaptor
Quick Overview This workflow collects your job preferences and resume via an n8n form, scrapes fresh LinkedIn job listings with Apify, screens and ranks matches using Anthropic Claude, generates tailo ...
0
Built by shafeel shafeel
Jun 15, 2026
Manage construction work permits with GPT-4o, Google Sheets and Gmail
Quick Overview This workflow accepts construction work permit requests via webhook, logs them to Google Sheets, uses OpenAI (gpt-4o-mini) to detect conflicts against active permits, routes the request ...
0
Built by Rahul Joshi Rahul Joshi
Jun 15, 2026
Track competitor ad messaging shifts with Adyntel, OpenAI and Google Sheets
Quick Overview This scheduled workflow pulls competitor domains from Google Sheets, collects their ads from Meta, Google, and LinkedIn via Adyntel, compares this week’s ad copy to last week’s snap ...
0
Built by Zain Khan Zain Khan
Jun 15, 2026
Detect competitor launch signals from ads with OpenAI and Google Sheets
Quick Overview This workflow runs weekly to scan competitor ad copy from Meta, Google Ads, and LinkedIn via Adyntel, detects newly emerging terms, uses OpenAI to assess launch signals, and records res ...
2
Built by Zain Khan Zain Khan
Jun 15, 2026
Send a daily AI news RSS digest with GPT-4o, Gmail, and Microsoft Excel
Quick Overview This workflow runs on a daily schedule, pulls articles from one or more RSS feeds, filters out items already stored in Microsoft Excel, uses OpenAI to generate an HTML newsletter from t ...
0
Jun 15, 2026
Analyze commodity portfolio diversification with Sheets, Gemini, and Gmail
Quick Overview This workflow reads a gold/silver/oil portfolio from Google Sheets, pulls current commodity prices and a recent gold trend from GoldAPI, EIA, and Twelve Data, calculates allocation and ...
0
Jun 15, 2026