Browse 6,295 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.
6,295 workflows
in Langchain
Nodes:
Sort:
Date:
Quick overview
This workflow monitors Gmail for new support-style emails, scans them for prompt-injection signals, and only then sends safe messages to Google Gemini for structured triage. It logs out ...
Quick overview
This workflow runs daily to read an asset register from Google Sheets, calculate warranty expiry dates, and escalate upcoming deadlines via Gmail, Slack, and Todoist, while using OpenAI ...
Quick overview
This scheduled workflow pulls an image from Google Drive, uses Google Gemini Vision to generate an on-brand LinkedIn caption, uploads the image via LinkedIn’s asset upload API, and pu ...
Quick overview
This workflow runs every morning to find local businesses via Google Places, pulls their website content to extract an email address, uses OpenAI to draft a personalised automation-focu ...
Quick overview
This workflow generates a talking-avatar video from a portrait image using AtlasCloud Seedance 2.0, creates a TikTok-ready title with OpenAI, and publishes the resulting video to TikTok ...
Quick overview
This workflow listens for a Telegram photo message, uploads the image to AtlasCloud to generate a Seedance 2.0 image-to-video clip, uses OpenAI to create a short SEO title, then publish ...
Quick overview
This workflow listens for Telegram messages containing a URL, fetches and cleans the webpage content, summarizes it with an OpenAI chat model, and replies in the same Telegram chat with ...
Quick overview
AI-powered Slack ChatOps for data networks housekeeping. Uses AI agents, a ledger DB and Cisco pyATS MCP server to perform on-demand device checks and validations, generate config chang ...
Quick Overview
This workflow runs every Monday, pulls the last 7 days of Vercel Web Analytics data, uses Groq (Llama 3.3 70B) to generate an HTML summary, and emails a weekly digest via SMTP, with an ...
Quick Overview
This workflow pulls unread Gmail messages, uses a local Ollama Llama 3.1 model to classify and extract action items, drafts a reply, and sends an approval request to Telegram before cre ...
Quick overview
Automatically triage incoming support tickets with an AI agent powered by Claude Sonnet. High-confidence responses are sent instantly, low-confidence cases escalate to a human on Slack, ...
Quick overview
This workflow turns a Telegram bot into a multi-modal support chatbot that accepts text, voice, images, and PDFs, converts them to text, retrieves relevant knowledge from Pinecone using ...
Quick overview
This workflow runs on a schedule to pull outstanding customer invoices and supplier bills from Xero, ranks the top 5 by amount due, and generates a Markdown AR/AP snapshot (optionally a ...
Quick overview
This workflow runs daily at 7am, reads an RSS feed, uses OpenAI to score articles for niche relevance and draft LinkedIn posts, then appends approved candidates to a Google Sheets revie ...
Quick overview
This workflow receives inbound WhatsApp lead messages via a webhook, uses OpenAI to classify each sender's intent (buyer, job seeker, or spam), logs the enriched lead to Google Sheets � ...
Quick overview
This workflow monitors Gmail for Japanese side-gig inquiries, flags risky wording, and uses Google Gemini to extract details and score each request. It logs every opportunity to Google ...
Quick overview
This workflow receives YouTube Shorts webhook events, downloads the video via Apify, uses Google Gemini and an OpenAI-compatible chat model to generate Pinterest SEO metadata and choose ...
Quick overview
This workflow accepts an invoice file via an n8n chat trigger, uses Google Gemini to extract structured invoice data, validates it against an existing Google Sheets log, appends valid l ...
Quick overview
Youtube Explanation: https://youtu.be/e_07nGFmVs0
This workflow replies to inbound Twilio SMS messages with property details and viewing scheduling help by looking up leads and propert ...
Quick overview
This workflow accepts a webhook request with a drama topic, genre, tone, and size constraints, uses Python-based genre classification plus OpenAI GPT‑4.1 to generate a full script as ...