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 and route consulting leads with OpenAI, Airtable, and Gmail
Quick overview This workflow captures inbound SME leads via a webhook, validates and deduplicates submissions, classifies the request with OpenAI, stores results in Airtable, and sends internal notifi ...
0
Aug 02, 2026
Handle restaurant bookings via Telegram with DeepSeek, Airtable, and Google Calendar
Quick overview An AI-powered Telegram assistant that manages restaurant bookings end-to-end: shares your menu, checks real-time availability via Google Calendar, confirms or cancels reservations, logs ...
0
Aug 02, 2026
Track crypto price crashes with CoinGecko, Marketaux, Google Gemini and Slack
Quick Overview This workflow runs every 4 hours to monitor a crypto asset’s price with CoinGecko, checks for crash conditions, pulls related headlines from Marketaux, uses Google Gemini to generate ...
1
Built by iamvaar iamvaar
Aug 02, 2026
Create SEO blog drafts with OpenAI, Canvora, and WordPress
Quick overview This workflow collects a target SEO keyword via an n8n form, uses OpenAI to generate a publish-ready article, generates a matching featured image and OG image with Canvora, and then cre ...
0
Built by Jonnie Lane Jonnie Lane
Aug 02, 2026
Monitor Telegram channel intelligence with Apify, OpenAI, Google Sheets, and Telegram
Quick overview This workflow runs hourly (or manually) to scrape posts from public Telegram channels via Apify, batch-scores them with OpenAI against an intelligence goal, saves qualified items to Goo ...
0
Aug 01, 2026
Alert on at-risk nursery plants with OpenWeather, Google Sheets, Gemini, and Slack
Quick Overview This workflow runs daily at 7 PM IST, pulls an overnight forecast from OpenWeatherMap and plant inventory data from Google Sheets, uses Google Gemini to identify plants whose temperatur ...
0
Built by iamvaar iamvaar
Aug 01, 2026
Parse and normalize resume PDFs with Telegram, OpenAI, and Gotenberg
Quick overview This workflow accepts resume PDFs sent to a Telegram bot, extracts their text, uses OpenAI to parse the content into a structured JSON schema, reformats it into HTML sections, converts ...
0
Aug 01, 2026
Send low-stock purchase orders with Google Sheets, Slack, and OpenAI
Quick overview This workflow checks product stock levels from a Google Sheets inventory, calculates urgency and reorder needs, uses OpenAI to draft a purchase order message, posts reorder notification ...
0
Aug 01, 2026
Convert WhatsApp video to transcripts and /tts text to voice with Gemini
Quick Overview This workflow listens for incoming WhatsApp messages and either transcribes video audio to text with Google Gemini (after converting it to MP3 via FreeConvert) or generates and sends a ...
0
Built by iamvaar iamvaar
Aug 01, 2026
Answer Slack knowledge questions with Notion, Google Drive, Pinecone, and OpenAI
Quick overview This workflow syncs Notion pages and Google Drive files into a Pinecone vector index nightly, then answers Slack @mentions using an OpenAI chat model with retrieval from that Pinecone k ...
0
Aug 01, 2026
Generate RFP response documents with OpenAI Assistants, Google Docs, Gmail, and Slack
Quick overview This workflow accepts an RFP PDF via webhook, extracts supplier questions with OpenAI, answers each one using an OpenAI Assistant, writes the full Q&A into a Google Doc, and notifies th ...
0
Aug 01, 2026
Send Florida insurance and legal news digest with GPT-4o-mini and Outlook
Quick overview This workflow runs daily at 4am to compile Florida insurance and legal news from RSS feeds and CourtListener, summarizes new items with OpenAI, builds an HTML digest, emails it to subsc ...
1
Aug 01, 2026
Provision client onboarding workspaces with GPT-4, Google Drive, ClickUp, Slack and Gmail
Quick overview This workflow captures a new client onboarding form submission with a proposal PDF, extracts key text, creates a Google Drive folder and a ClickUp folder/list, uses OpenAI to generate o ...
1
Aug 01, 2026
Send legal AI news digests from IMAP email with OpenAI, Tavily, and Gmail
Quick overview Monitor an inbox, keep only emails about AI in the legal industry (or any topic), research each topic with web search, and email a branded HTML digest. How it works A schedule trigger ...
1
Aug 01, 2026
Send a weekly legal tech AI digest with GPT-4o-mini, Gemini, WordPress and Outlook
Quick overview This workflow runs on a weekly schedule, collects legal-tech articles from Reddit, Hacker News, and Google News RSS, summarizes them with OpenAI, generates images with Google Gemini, up ...
0
Aug 01, 2026
Rewrite legal time entry narratives with SharePoint, Microsoft Graph, and GPT-4o
Quick overview This scheduled workflow pulls attorney time entries and related client billing guidelines from SharePoint via Microsoft Graph, uses OpenAI (GPT-4o) to rewrite narratives and check compl ...
0
Aug 01, 2026
Track and log receipt expenses in Google Sheets with Gmail, Drive, and Claude
Quick Overview This workflow monitors Gmail and a Google Drive folder for receipts, uses Anthropic Claude to extract expense details from email bodies, PDFs, and images, archives attachments to Google ...
0
Aug 01, 2026
Score and route job candidates with Mistral, Gemini, Google Sheets, and Drive
Quick overview This workflow collects candidate applications via an n8n form, extracts resume text with Mistral AI, matches the candidate to an open role stored in Google Sheets and Google Docs, score ...
0
Jul 31, 2026
Send daily AI YouTube news digests to Telegram with Firecrawl and Claude
Quick overview This workflow runs daily, uses Firecrawl to scrape a YouTube channel’s videos from the last 24 hours, summarizes AI-related technical news with Anthropic Claude (with a Fireworks Deep ...
0
Built by Andrés L Andrés L
Jul 31, 2026
Reply to grouped WhatsApp messages with Wafly and OpenAI
Quick overview This workflow receives WhatsApp webhooks from Wafly, groups rapid-fire messages into a single question (and optionally transcribes voice notes), then uses an OpenAI-powered agent with p ...
18
Built by Iago Iago
Jul 31, 2026