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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Qualify Google Maps leads with ScrapeHero, OpenAI, and Google Sheets
Quick overview This workflow manually scrapes Google Maps business listings via ScrapeHero, paginates through results, deduplicates and normalizes each listing, enriches each business with an OpenAI l ...
0
Sep 08, 2026
Segment donors and generate personalized messages with Google Sheets and Ollama
Quick overview This workflow pulls donor rows from Google Sheets, validates and segments donors using JavaScript-based RFM and behavioral rules, generates tailored email copy with a local Ollama (Llam ...
0
Built by Tien Nguyen Tien Nguyen
Sep 08, 2026
Investigate Alertmanager incidents with GPT-4.1, ClickUp, Slack, and PagerDuty
Quick overview This workflow receives Prometheus Alertmanager webhooks, uses an OpenAI-powered incident investigator agent to query logs and recent deployments, writes a root-cause analysis to Postgre ...
0
Sep 08, 2026
Create Kubernetes resources from Slack with Anthropic Claude and safety guardrails
Quick overview This workflow listens for Kubernetes create requests in Slack (or runs manually), uses Anthropic Claude to generate a Kubernetes manifest, validates it against deterministic safety guar ...
0
Sep 08, 2026
Route app store bug reviews to engineering with Claude and Slack
Quick overview This workflow receives app store reviews via a webhook, uses Anthropic Claude to classify and deduplicate technical complaints, checks your bug tracker for an existing issue, then eithe ...
0
Sep 08, 2026
Route AI voice call webhooks to WhatsApp and Google Sheets with OpenAI
Quick overview Your voice agent ends a call, fires a webhook, and nobody reads it until the customer rings back annoyed. This one reads every call, works out which are actually urgent from the model's ...
4
Sep 08, 2026
Track construction RFIs and submittals with Airtable, Gmail, Discord, Telegram, and gpt-6-luna
Construction questions that no longer live in someone's inbox. This workflow takes RFIs and submittals by webhook, has gpt-6-luna classify them and draft the acknowledgment, logs everything to Airtabl ...
0
Sep 08, 2026
Create studio product videos from 3 photos with OpenAI, fal.ai and YouTube
Quick overview This workflow collects three product photos from n8n form, uses OpenAI to describe and craft a studio-shot prompt, generates an edited image and motion clips with fal.ai, archives asset ...
0
Sep 08, 2026
Run a WooCommerce store assistant with Telegram, OpenRouter and order digests
Run your WooCommerce store from Telegram. The owner chats with a bot that can pull orders, edit products, log the order archive to Google Sheets, and email customers, with a daily order digest landing ...
0
Sep 08, 2026
Extract PDF report tables into Google Sheets with Gmail, OpenAI and Slack
Quick overview I stopped trusting a model to add up its own numbers, so this one checks its work in plain code. It reads the table off a PDF, sums the line items in JavaScript, and only writes to your ...
1
Sep 08, 2026
Watch vendor sub-processor pages for changes with Groq, Discord and data tables
Quick overview This workflow monitors vendors’ public sub-processor list pages on a schedule or on demand, compares the current page contents against a stored baseline in n8n Data Tables, uses Groq ...
0
Sep 07, 2026
Score and alert Upwork jobs with OpenAI GPT-4.1-mini and Telegram
Quick overview Searches Upwork every 15 minutes using the GraphQL API, loads matching preferences from a dynamic profile.md file, filters and scores new jobs with an AI chat model, sends high-scoring ...
4
Sep 07, 2026
Draft cold email templates from Google Sheets with OpenAI and Gmail
Quick overview This workflow runs manually or weekly to read leads from Google Sheets, filters them against an n8n Data Table suppression list and a cooldown log, drafts short personalised cold emails ...
5
Sep 07, 2026
Find Google Maps prospects and draft cold emails with Apify, OpenAI and Sheets
Quick overview Google Maps gives agencies a starting point for local prospecting. This kit filters Apify business results and logs them in Sheets. Where an email address is available, it prepares a Gm ...
0
Sep 07, 2026
Track and classify Facebook ad angles with Apify, OpenAI, and Supabase
Quick overview This workflow manually scrapes Facebook Ad Library results via Apify, normalizes each ad and extracts destinations, classifies the ad’s persuasion angle with OpenAI, stores ads and re ...
0
Built by Apify Apify
Sep 07, 2026
Book and manage WhatsApp appointments with OpenAI and Google Calendar
Quick overview Someone messages your WhatsApp asking for an appointment. I work out whether they want to book, move or cancel, check your real Google Calendar, and handle it. Anything I cannot read co ...
8
Sep 07, 2026
Log new hiring leads from Apify to Sheets with GPT-4o-mini and Slack alerts
Quick overview This workflow runs every morning to pull the last 24 hours of job postings from Apify, groups them by company, deduplicates companies across runs, uses OpenAI to draft two-line outreach ...
0
Sep 07, 2026
Process Gmail invoices with OpenAI, Google Sheets, and Slack reminders
Quick Overview This workflow monitors Gmail for invoice emails with PDF attachments, uses OpenAI to extract key invoice fields, logs them to a Google Sheets tracker with duplicate detection, and sends ...
0
Sep 07, 2026
Summarize school circular emails with Gmail, Gemini, and Google Sheets
Quick Overview This workflow monitors a labeled Gmail inbox for school circulars, extracts text from attached PDFs, uses Google Gemini to generate a structured parent-friendly digest, logs the results ...
0
Sep 07, 2026
Detect at-risk gym clients with Supabase, Gemini, Slack, Gmail, and Sheets
Quick overview This workflow runs on a daily schedule to detect at-risk gym clients using Supabase activity data, drafts a re-engagement email with Google Gemini, notifies coaches in Slack, emails cli ...
0
Sep 07, 2026