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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Send AI appointment reminders and follow-ups with Calendly, Gmail, OpenAI, and Google Sheets
Quick overview This workflow checks upcoming Calendly appointments every two hours, uses OpenAI to draft reminder and follow-up emails, sends them via Gmail, and logs whether the customer replied or n ...
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Sep 28, 2026
Send renewal reminder ladder with Google Sheets, GPT-4.1-mini and Slack
Quick overview This workflow runs daily to read renewal data from Google Sheets, calculate reminder stages and renewal risk, use OpenAI to draft tailored reminder emails, send them via Gmail, optional ...
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Built by isaWOW isaWOW
Sep 28, 2026
Post nightly travel news to X with Google News, OpenAI, and Google Sheets
Quick overview This workflow runs daily at 17:30 (JST) to pull travel-related headlines from Google News RSS, filters and scores recent articles, generates consumer-friendly X (Twitter) post text with ...
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Built by Hide Hide
Sep 27, 2026
Draft and review restaurant review replies with OpenAI and n8n forms
Quick Overview This workflow collects a restaurant review through an n8n Form, uses OpenAI to draft an on-brand public reply, runs safety checks for risky wording, and presents the draft for human app ...
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Built by Bot Shop Bot Shop
Sep 27, 2026
Generate site feasibility and risk reports with Google Gemini and Slack
Quick overview Youtube Video: https://youtu.be/Ry6lMULSsF4 This workflow collects a site location via an n8n form, checks whether the coordinates are on land, pulls elevation, protected-species occur ...
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Built by iamvaar iamvaar
Sep 27, 2026
Reply to support emails in-thread with SendRaven and OpenAI
Quick Overview This workflow receives inbound support emails from SendRaven via a signed webhook, loads the full email thread, uses an OpenAI-powered agent to decide whether to reply, mark the thread ...
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Built by SendRaven SendRaven
Sep 27, 2026
Triage insurance claims with Jev, DeepSeek, Slack, Gmail, and Google Sheets
Quick overview This workflow receives insurance claims via webhook, checks prior claimant history in Google Sheets, uses Jev Router to classify claim type and risk, routes uncertain or risky cases to ...
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Sep 26, 2026
Publish one daily Pinterest pin from Google Sheets with OpenAI and PinBridge
Quick overview This workflow publishes one Pinterest pin per run from a Google Sheets topic calendar, using OpenAI to write pin copy and optionally generate a 2:3 image, then posting via PinBridge and ...
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Built by PinBridge PinBridge
Sep 26, 2026
Triage parent incident reports with Google Gemini, Sheets, Slack and WhatsApp
Quick overview Youtube Video: https://youtu.be/SOffe5x47dI This workflow collects parent incident/complaint reports via an n8n Form, looks up student details in Sheets, classifies the complaint with ...
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Built by iamvaar iamvaar
Sep 26, 2026
Triage construction incident photos with Gemini, Slack, and Google Sheets
Quick overview Youtube Video: https://youtu.be/qp9ASLniC9o This workflow collects construction incident reports via an n8n form with an uploaded photo, checks the image for AI-generation likelihood, ...
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Built by iamvaar iamvaar
Sep 26, 2026
Rescue at-risk gym members using Google Sheets, Gemini, and Twilio SMS
Quick overview Youtube Video: https://youtu.be/YNinqI84rNw This workflow runs weekly to analyze Google Sheets member attendance, calculate churn risk scores, and use Google Gemini to generate persona ...
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Built by iamvaar iamvaar
Sep 26, 2026
Triage car accident claims with Google Sheets, Slack, Gemini and forms
Quick overview Youtube Video: https://youtu.be/90YWbvwXdD4 This workflow collects accident claim details via an n8n form, verifies the insurance policy in Google Sheets, checks uploaded photos for AI ...
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Built by iamvaar iamvaar
Sep 26, 2026
Triage apartment turnovers with Google Sheets, Gemini, Gmail and Slack
Quick overview Youtube Link: https://youtu.be/l5ElbsX1-zs This workflow collects apartment turnover condition reports via an n8n form, looks up unit context in Google Sheets, uses Google Gemini to ge ...
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Built by iamvaar iamvaar
Sep 26, 2026
Run multi-step cold email sequences with OpenAI, LinkedIn, Qdrant and NocoDB
Quick overview This primary orchestrator workflow automates multi-step cold email campaigns. It enriches lead profiles using LinkedIn data via RapidAPI, generates hyper-personalized email copy using O ...
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Sep 26, 2026
Import reconciled bank statements into Google Sheets with Google Drive and OpenAI
Quick overview This workflow watches a Google Drive folder for new bank-statement PDFs or CSVs, extracts transactions with OpenAI, reconciles opening/closing balances, and appends only new (non-duplic ...
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Built by Ziad Karim Ziad Karim
Sep 26, 2026
Create TikTok videos from articles with OpenAI, Telegram, and Google Drive
Quick overview This workflow turns an article URL sent via Telegram into a rendered vertical video with AI-generated voiceover and karaoke-style subtitles, uploads it to Google Drive, and optionally p ...
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Sep 25, 2026
Send daily stock and crypto market briefs with Twelve Data, Google Sheets, OpenAI, Gmail and Telegram
Quick overview This workflow runs each morning (or manually) to generate a daily market brief by pulling stock price history from Twelve Data, scoring Google News headlines with an OpenAI-compatible m ...
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Built by Ziad Karim Ziad Karim
Sep 25, 2026
Find and pitch local business leads with Apify, Firecrawl, OpenAI, Gmail, Sheets and Slack
Quick overview This workflow collects local business leads from Google Maps via Apify, audits each website using HTTP requests and Firecrawl, scores opportunities, generates outreach copy with OpenAI, ...
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Sep 25, 2026
Score EU funding calls with OpenAI and notify via Microsoft Teams
Quick overview This workflow runs weekly to query the European Commission EU Funding Search API for calls matching chosen keywords, filters out closed or older opportunities, uses OpenAI to score rele ...
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Sep 25, 2026
Draft safe email replies from webhooks with Groq and n8n Guardrails
Quick overview Receives inbound messages through a webhook, strips hidden instructions and sensitive data, and drafts a reply with Groq from facts you approve. Every reply is checked in code before se ...
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Sep 25, 2026