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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Triage Gmail and draft replies with Ollama, Telegram and Google Sheets
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 ...
0
Built by Vonn Vonn
Jul 09, 2026
Triage support tickets with Claude Sonnet, Infini Analytics, and Slack
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, ...
0
Built by Raul Raul
Jul 09, 2026
Run a Telegram RAG support chatbot with OpenAI, Pinecone, and Google Sheets
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 ...
0
Built by isaWOW isaWOW
Jul 09, 2026
Create Xero AR/AP Markdown snapshots with optional OpenAI GPT summaries
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 ...
0
Built by Kristian Kristian
Jul 09, 2026
Draft LinkedIn posts from RSS feeds with OpenAI, Google Sheets and Slack
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 ...
0
Built by Operstead Operstead
Jul 08, 2026
Qualify, log, and route inbound WhatsApp leads with OpenAI and Google Sheets
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 � ...
0
Built by achiya achiya
Jul 08, 2026
Triage Japanese freelance gig emails with Gmail, Gemini, Sheets, Drive, and Calendar
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 ...
14
Built by uninc000 uninc000
Jul 08, 2026
Schedule YouTube Shorts to Pinterest with Apify, Gemini, and an OpenAI model
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 ...
0
Jul 08, 2026
Extract and validate invoice data with Google Gemini and Google Sheets
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 ...
0
Jul 08, 2026
Handle real estate SMS inquiries with Twilio, Google Sheets, Gemini, and Calendar
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 ...
0
Built by iamvaar iamvaar
Jul 08, 2026
Generate structured drama scripts from webhook requests using OpenAI and Google Sheets
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 ...
0
Jul 08, 2026
Send crowd safety SMS reroute alerts with OpenAI, Twilio, and Google Sheets
Quick overview This workflow ingests crowd density and incident reports via webhook or a 5‑minute schedule, assesses risk with Python thresholds, uses OpenAI to generate a short rerouting recommenda ...
2
Jul 08, 2026
Handle theater ticket bookings with Anthropic, Google Sheets, SendGrid, and Twilio
Quick overview This workflow receives theater ticket booking requests via webhook, validates and normalizes them with Anthropic Claude, assigns seats and calculates pricing from a Google Sheets seat m ...
0
Jul 08, 2026
Create AI image and video posts from Telegram with GPT-4o, AtlasCloud and Blotato
Quick overview This workflow receives a post idea via Telegram, uses OpenAI (GPT-4o mini) to generate platform-specific copy plus image/video prompts, creates media through AtlasCloud (GPT Image 2 and ...
1
Built by Dr. Firas Dr. Firas
Jul 08, 2026
Generate AI songs from Telegram prompts with OpenAI and Suno
Quick overview This workflow listens for Telegram messages containing a song idea, uses OpenAI to expand the idea into a Suno-ready prompt, submits a generation request to the Suno API, polls until th ...
1
Built by Dr. Firas Dr. Firas
Jul 07, 2026
Create and publish AI video reels to Instagram from Telegram with OpenAI and AtlasCloud
Quick overview This workflow turns a Telegram message into an AI-generated vertical video using AtlasCloud Seedance 2.0, generates an Instagram-ready caption with OpenAI, publishes the reel via Blotat ...
9
Built by Dr. Firas Dr. Firas
Jul 07, 2026
Transcribe WhatsApp voice notes and auto-reply with OpenAI Whisper and GPT-4o
Quick overview This workflow receives WhatsApp Cloud API webhook events, transcribes incoming voice notes with OpenAI Whisper, generates a reply with OpenAI GPT-4o, and sends the response back to the ...
1
Jul 07, 2026
Score and triage job candidates with OpenAI o3-mini (OpenRouter) and ClickUp
Quick overview This workflow collects candidate CVs through an n8n Form, extracts text from a PDF, uses OpenRouter (OpenAI o3-mini) to score and summarize the candidate, and creates a ClickUp task wit ...
0
Jul 07, 2026
Summarize Slack threads into Jira tickets with OpenRouter and Slack approval
Quick Overview This workflow turns a Slack slash-command request into an AI-drafted Jira ticket preview, then creates the Jira issue only after a user approves it in Slack using interactive buttons. ...
2
Jul 07, 2026
Extend videos with audio using Fal, OpenAI, and Upload-Post for TikTok
Quick overview This workflow accepts a video URL and prompt, uses Fal.ai (ltx-2.3-quality) to extend the video forward with generated audio, generates an SEO-friendly title with OpenAI, downloads the ...
0
Jul 07, 2026