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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Monitor website and RSS changes with Apify, GPT-4o mini and Slack alerts
Quick overview This workflow runs every morning to monitor RSS feeds and webpages for changes using Apify, summarizes each detected change with OpenAI, and posts a Slack alert with a one-line, Slack-r ...
0
Built by Abu Abu
Jul 26, 2026
Label incoming Gmail emails with GPT-5 and Gmail labels
Quick overview This workflow watches for new Gmail messages, uses OpenAI to classify each email into a category, maps that category to a Gmail label ID, and then applies the matching label to the mess ...
0
Jul 25, 2026
Send personalized cold email sequences with Google Sheets, Gmail, Gemini and Slack
Quick overview This workflow runs daily to send Gemini-generated cold emails from leads stored in Google Sheets via Gmail, schedules two follow-ups based on time since sending, and continuously monito ...
1
Jul 25, 2026
Publish LinkedIn AI operations posts from RSS with OpenAI and Airtable
Quick overview Workflow runs at 08:00 (UK), AI stories from TechCrunch, The Verge, and the OpenAI Blog via RSS, AI to select and editorially shape one signal into a post and image prompt, generates an ...
0
Built by Craig Craig
Jul 25, 2026
Generate and deploy Notion chat assistants with OpenAI and n8n API
Quick overview This workflow takes a Notion database URL via n8n Chat, uses Notion and OpenAI to generate a tailored Notion-search chat assistant workflow, validates the generated n8n JSON, and then d ...
4
Built by Dr. Firas Dr. Firas
Jul 25, 2026
Track daily LLM brand visibility with Gemini, Groq, OpenRouter, Sheets and Slack
Quick overview Youtube Video: https://youtu.be/BOodBD6HWSU?si=yEenUFBdYOq_1RVj This workflow runs daily at 7AM to generate buyer-style prompts with Google Gemini, query Groq, OpenRouter, and a search- ...
1
Built by iamvaar iamvaar
Jul 25, 2026
Classify and draft Gmail replies with OpenRouter and a Google Docs RAG KB
Quick overview This workflow monitors a Gmail inbox, uses OpenRouter (Qwen) to classify each incoming email, and either auto-replies, creates a Gmail draft for human review, or ignores the message, wi ...
0
Jul 24, 2026
Triage and resolve stale Jira tickets with OpenAI, Notion, and Slack
Quick overview This scheduled workflow scans Jira for long-lived unresolved issues, uses OpenAI to classify their status and sentiment, searches Notion and similar Jira issues for answers, then posts ...
0
Jul 24, 2026
Estimate meal calories from Telegram text and photos with Google Gemini
Quick overview This Telegram bot workflow lets an authorized user send meal details as text or a photo, uses Google Gemini to describe images, then uses an n8n AI Agent to estimate calories and replie ...
0
Built by EximiaAI EximiaAI
Jul 24, 2026
Check job descriptions for bias and inclusive language with OpenAI
Quick Overview This workflow collects a job description via an n8n Form, validates the text length, then uses OpenAI to score inclusivity, detect gender-coded wording, and flag discouraging phrases wi ...
0
Built by isaWOW isaWOW
Jul 24, 2026
Check job descriptions for bias with forms and OpenAI GPT-4.1
Quick Overview This workflow collects a job description via an n8n form and uses OpenAI to score inclusivity, identify gender-coded language, and flag discouraging phrases with suggested rewrites, ret ...
0
Built by isaWOW isaWOW
Jul 24, 2026
Grade cold outreach emails and generate an HTML report with OpenAI GPT-4.1
Quick overview This workflow collects a cold email subject and body via an n8n Form, validates the input, and uses OpenAI to generate a structured A–F quality grade with copy and deliverability feed ...
0
Built by isaWOW isaWOW
Jul 24, 2026
Analyze contract risk and red flags with OpenAI from a web form
Quick overview This workflow collects pasted contract or terms-of-service text via an n8n Form and uses OpenAI to generate a structured risk score, plain-English summary, and flagged clauses, then ret ...
0
Jul 24, 2026
Log workflow failures with Google Gemini, Google Sheets, and Gmail alerts
Quick overview This error workflow captures n8n workflow failures, classifies them, generates a short Google Gemini diagnosis, logs each incident to Google Sheets, and emails an on-call address via Gm ...
4
Jul 24, 2026
Generate Viral CCTV Animal Videos using GPT and Veo3 AI for TikTok
Overview This n8n workflow automates the creation of viral CCTV-style animal videos using AI, perfect for TikTok content creators looking to capitalize on the popular security camera animal footage tr ...
0
Jul 24, 2026
Draft and approve AI Gmail replies with OpenAI and Tracira
Quick Overview This workflow monitors Gmail for new inbound messages, uses OpenAI to draft a reply, and sends the draft to Tracira for human approval before replying in Gmail when approved. How it wo ...
0
Jul 23, 2026
Filter and deduplicate AI news with Google Sheets, OpenAI, and Hugging Face
Quick overview Reads your RSS feeds daily, kills obvious noise with free keyword rules, then groups outlets covering the same story using cheap embeddings, so the AI judge never rules on a story twice ...
0
Jul 23, 2026
Query PostgreSQL from Slack using Google Sheets metadata and Gemini
Quick overview This workflow lets Slack users ask natural-language questions about a PostgreSQL database, uses Google Sheets metadata plus live schema data to generate and validate a safe read-only SQ ...
0
Jul 23, 2026
Generate LinkedIn carousels from articles with OpenAI GPT-4o-mini
Quick overview Send article text or a URL to generate a validated LinkedIn carousel with an exact slide count, caption, hashtags, alt text, and Canva-ready copy. The workflow only prepares content; it ...
0
Jul 23, 2026
Reply to WhatsApp text, audio, image, and video with Google Gemini and Wikipedia
Quick overview This workflow auto-replies to incoming WhatsApp messages (text, audio, video, or images) by downloading any media, converting it to text with Google Gemini, and generating a concise ans ...
0
Jul 23, 2026