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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Track contract utilization and send risk alerts with Groq and Google Sheets
Quick overview This workflow runs every 6 hours to combine contract and spend data from Google Sheets, calculate utilization per contract, and then update the contracts sheet while sending low- and hi ...
0
Aug 18, 2026
Generate weekly AI automation newsletters with Google Sheets, Tavily, OpenRouter and Gmail
Quick overview This weekly workflow uses Google Sheets as a topic queue, Tavily for web and Reddit research, OpenRouter (OpenAI models) to plan and write a three-section newsletter with citations, the ...
0
Aug 18, 2026
Analyze procurement spend with Google Sheets, Groq Llama 3.3, Notion, and Gmail
Quick overview This workflow runs daily, reads procurement spend data from Google Sheets, calculates category-level savings and risk metrics, uses Groq (Llama 3.3) to generate Kraljic Matrix insights, ...
0
Aug 18, 2026
Review and approve NDAs with Google Drive, Google Sheets, and OpenAI GPT-4o
Quick overview This workflow monitors a Google Drive folder for new NDA files, extracts their text, uses OpenAI to extract and assess clauses against a Google Sheets playbook, then either auto-approve ...
10
Built by Intuz Intuz
Aug 18, 2026
Generate YouTube clip ideas and Google Docs reports with Apify and OpenRouter
Quick overview This workflow collects a YouTube link via an n8n form, extracts the video transcript with Apify, uses an OpenRouter chat model to generate short-form clip ideas in Markdown, and creates ...
0
Aug 18, 2026
Triage software risk using NVD, EPSS, CISA KEV, GitHub and Claude
Quick Overview This workflow receives software vetting requests via a webhook, gathers vulnerability and supply-chain evidence from NVD, EPSS, CISA KEV (via NVD), Google News RSS, SEC EDGAR, GitHub, O ...
0
Aug 18, 2026
Generate LEDES invoices from email attachments with OpenAI, Gmail, and Sheets
Quick overview This workflow watches an IMAP inbox for new emails with PDF or Word attachments, extracts legal time entries using OpenAI, generates LEDES 1998B, LEDES XML 2.0, and a PDF invoice (via a ...
0
Aug 18, 2026
Generate SharePoint Word documents from Outlook emails with OpenAI and Pandoc
Quick overview This workflow monitors a Microsoft Outlook mailbox for document-generation requests, matches each request to a SharePoint template using OpenAI, converts the filled template to DOCX via ...
0
Aug 18, 2026
Smart RSS News Alert System with DeepSeek AI and Slack Notifications
How it works This workflow fetches articles from any RSS feed, processes them with an AI model (DeepSeek), and sends only the most relevant alerts directly to Slack. Normalizes and deduplicates R ...
0
Aug 18, 2026
Track IBM Quantum backend drift with Bell tests, Sheets, Gmail and OpenAI
Quick overview Quantum processors drift every single day. This workflow runs a Bell state test on the least busy IBM Quantum backend, picks the healthiest qubit pair straight from live calibration dat ...
0
Aug 17, 2026
Diagnose website friction with Microsoft Clarity, Bright Data, GPT-5.6 and Slack
Quick overview This workflow runs daily to pull friction metrics from Microsoft Clarity, fetches the affected pages via Bright Data Web Unlocker, uses GPT-5.6 (OpenAI) to diagnose likely causes and fi ...
0
Aug 17, 2026
Fix striking distance SEO keywords with Google Search Console, Bright Data, GPT-5.6 and Slack
Quick overview This workflow runs weekly to pull striking-distance query/page pairs from Google Search Console, uses Bright Data to find and read higher-ranking rival pages, asks OpenAI (GPT-5.6) to i ...
0
Aug 17, 2026
Send website security audit reports with OpenAI, Gotenberg, and Outlook
Quick Overview This workflow collects a landing page URL via an n8n form, fetches the page HTML and HTTP response headers, uses OpenAI (GPT-4.1) to audit client-side security issues and header configu ...
0
Aug 17, 2026
Manage short-term rental guest messages and cleaning tasks with Deepseek and Google Sheets
Quick Overview This workflow captures short-term rental bookings via webhook, stores them in Google Sheets, and uses OpenAI (Deepseek model) to draft and send timed guest emails via Gmail using a prop ...
0
Aug 17, 2026
Send donor thank-you receipts and weekly digests with Google Sheets, DeepSeek, Gmail and Telegram
Every donor thanked, every gift receipted, automatically. This workflow watches your Google Sheets donations log, validates new entries, and has AI draft personalized thank-you emails with receipt det ...
0
Aug 17, 2026
Respond to Google reviews and send weekly digests with DeepSeek, Sheets, Discord and Gmail
Never let a review sit unanswered. This workflow takes customer reviews from a webhook, has AI draft a reply, logs everything to Sheets, and alerts your team. Negative reviews get routed to the owner ...
0
Aug 17, 2026
Log and report construction punch list items with OpenAI, Google Sheets, Gmail and Telegram
Construction chaos, organized. Site teams send punch list messages via webhook and this workflow structures each item with AI, routes it to the right subcontractor from a trade roster, logs it to Shee ...
0
Aug 17, 2026
Plan daily restaurant prep lists with DeepSeek, Google Sheets, Telegram and Gmail
Mise en place, automated. This workflow builds your daily restaurant prep list from a Google Sheets master, has AI plan the quantities, logs tasks back to Sheets, and notifies the team. Crews confirm ...
0
Aug 17, 2026
Classify and file inbound documents with GPT-4o-mini and Gmail
Quick overview This workflow receives documents through a token-protected webhook, validates OCR and file metadata, and uses OpenAI to classify and extract key fields. It stores every outcome in an n8 ...
0
Aug 17, 2026
Review security architecture risks and route alerts with OpenAI GPT-4.1
Quick Overview This workflow runs on a weekly schedule or manual trigger, consolidates architecture inputs into a single context, and uses OpenAI GPT-4.1 to produce a structured security architecture ...
0
Aug 17, 2026