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
Nodes: Sort: Date:
Post Instagram images with captions from Google Drive using Gemini Vision
Quick Overview This workflow runs on a schedule to pick an image from a Google Drive folder, generate an Instagram caption with Google Gemini Vision, and publish the post through the Instagram Graph A ...
1
Built by Mitja Mitja
Jul 28, 2026
Screen and score resumes from Gmail with Parseur, Groq, and Google Sheets
Quick Overview This workflow monitors a Gmail inbox for resume attachments, sends them to Parseur for data extraction, uses Groq (LLM) to generate an AI fit score, then uploads the original resume to ...
2
Built by Zain Khan Zain Khan
Jul 28, 2026
Extract job listings from career pages with Snapshot Site, GPT-4o, and Google Sheets
Quick overview This workflow runs daily, captures fully rendered careers pages with Snapshot Site, uses an OpenAI chat model to extract structured job-offer fields, and writes the results to Google Sh ...
2
Jul 28, 2026
Send Shopify AI order confirmations with Claude Sonnet and Gmail
Quick overview This workflow triggers on new Shopify orders, uses Anthropic Claude to generate a personalized HTML order confirmation with one relevant upsell suggestion, then emails the customer via ...
0
Jul 28, 2026
Send Stripe payment thank-you receipts with Claude Sonnet and Gmail
Quick overview This workflow triggers on successful Stripe charges, normalizes payment details, uses Anthropic Claude to generate a personalized thank-you and receipt message, logs the payment to an n ...
0
Jul 28, 2026
Monitor competitor funding with Apify, Google Gemini, Google Sheets and Slack
Quick Overview This workflow runs every Monday at 8AM to pull a competitor list from Google Sheets, scrape the latest Crunchbase data via Apify, detect new funding, generate a strategic impact summary ...
1
Built by iamvaar iamvaar
Jul 28, 2026
Send AI travel quotations via WhatsApp with Gemini, Google Sheets and Docs
Quick Overview This workflow responds to incoming WhatsApp messages with AI-generated travel package quotations by looking up clients in Google Sheets, loading pricing from Google Docs, generating a s ...
0
Built by iamvaar iamvaar
Jul 28, 2026
Generate AI images from form inputs with Claude Sonnet and Google Gemini
Quick overview This workflow collects an image request via an n8n form, uses Anthropic Claude to expand it into a detailed style-aware prompt, generates an image with Google Gemini, then emails the im ...
0
Jul 28, 2026
Generate multi-platform social captions from blog posts with OpenAI
Quick overview This workflow collects a blog URL or pasted blog text via an n8n form, uses OpenAI to generate platform-specific social captions and image alt text, and returns a styled copy-and-paste ...
0
Jul 28, 2026
Draft Reddit reply suggestions with OpenAI and send them to Slack
Quick overview This workflow runs every morning, reads recent posts from selected subreddits via Reddit RSS feeds, uses OpenAI (via LangChain) to shortlist threads and draft helpful replies, and sends ...
0
Jul 28, 2026
Screen candidate CVs with Claude Sonnet, Google Drive, Google Sheets, and Gmail
Quick overview A candidate submits a CV to a webhook. One AI agent parses it and scores it against the job description, a deterministic rule turns that score into a recommendation, then the CV is file ...
5
Jul 28, 2026
Sync Supabase Storage files into a chat agent with Supabase vectors and OpenAI
Quick overview This workflow syncs files from Supabase Storage into a Supabase vector store using OpenAI embeddings, then exposes an n8n chat trigger where an AI agent answers questions by retrieving ...
0
Jul 28, 2026
Draft and publish Hacker News GitHub posts to X and LinkedIn with OpenAI and Airtable
Quick overview This workflow runs every 6 hours to find Hacker News front-page posts that link to GitHub repositories, generates Twitter/X and LinkedIn copy with OpenAI, queues and deduplicates drafts ...
0
Jul 28, 2026
Send weekly SEO and competitor intelligence reports with SEMrush, GA4, OpenAI, Gmail and Slack
Quick overview This workflow runs every Monday at 7am to pull SEO rankings from SEMrush, traffic metrics from Google Analytics 4, and HTML from a competitor page, then uses an OpenAI chat model to wri ...
0
Jul 28, 2026
Generate multi-quarter earnings reports with Google Workspace, Gemini and Pinecone
Quick overview This workflow ingests quarterly earnings PDFs listed in Google Sheets from Google Drive into a Pinecone vector index using Google Gemini embeddings, then uses an OpenAI-powered agent wi ...
1
Jul 28, 2026
Qualify Google Sheets leads with OpenAI and send alerts to Slack
Quick overview This workflow watches for new rows in Google Sheets, uses an OpenAI chat model to score and categorize lead intent with structured output, writes the results back to the same sheet, and ...
1
Jul 28, 2026
Run a RAG support copilot with Claude Sonnet and OpenAI embeddings
Quick overview This template ingests internal docs into an in-memory vector knowledge base using OpenAI embeddings, then runs a public support chat powered by Anthropic Claude that answers only from t ...
1
Jul 28, 2026
Generate business strategy canvases with GPT-4o, Tavily, MongoDB and Gmail
Quick Overview This workflow runs a chat-based AI consultant that researches your market with Tavily, generates a Business Model Canvas, Lean Canvas, and/or SWOT analysis, converts the results into a ...
0
Built by Łukasz Łukasz
Jul 28, 2026
Triage Gmail inbox emails and draft AI replies with Claude Sonnet 4.6
Quick overview This workflow monitors a Gmail inbox for unread messages, uses Anthropic Claude to classify and summarize each email, auto-drafts an HTML reply in the same thread, logs the triage resul ...
2
Jul 28, 2026
Audit and improve workflows with OpenAI and Slack
Quick overview This workflow runs weekly to audit your n8n workflows with OpenAI, posts improvement reports to Slack, and stores per-workflow scan preferences in an n8n Data Table that users can toggl ...
0
Built by Łukasz Łukasz
Jul 28, 2026