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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Score customer churn risk and send save-play emails with Claude and Gmail
Quick overview Catch at-risk paying customers before they cancel. This workflow receives customer health signals through a webhook, scores churn risk from 0–100 with Claude, logs every account to a ...
2
Jul 28, 2026
Screen and route candidate CVs with OpenRouter, Google Drive, Sheets, and Gmail
Quick overview This workflow receives candidate CVs via a webhook, extracts text from PDF, DOCX files, looks up the matching job description in Google Sheets, runs a three-agent evaluation using OpenR ...
0
Jul 28, 2026
Screen and log Gmail resumes with Google Gemini and Supabase
Quick Overview This workflow monitors Gmail for incoming job applications with resume attachments, extracts text from the PDF, and uses Google Gemini to screen candidates against your role requirement ...
0
Jul 28, 2026
Improve Gmail AI replies with OpenAI and Tracira human feedback
Quick Overview This workflow drafts Gmail reply emails using OpenAI guided by Tracira-stored instructions, routes drafts to Tracira for human approval or correction, and then sends the approved or rew ...
1
Jul 27, 2026
Track supplier compliance and send AI-generated alerts with Notion, Groq, Gmail and Slack
Quick overview This workflow runs daily to audit a Notion supplier compliance database, calculates certification expiry urgency, uses Groq (Llama 3.3 via LangChain) to generate supplier emails and int ...
1
Jul 27, 2026
Summarize Dropbox notes with Groq and sync to Notion & Sheets
Quick overview This workflow manually pulls a Markdown note from Dropbox, summarizes it with Groq Chat (OpenAI gpt-oss-20b) using a structured JSON output, saves the results to a Notion database, logs ...
0
Jul 27, 2026
Validate invoice readiness with Gmail, Google Sheets and Groq/OpenAI
Quick overview This workflow monitors Gmail for invoice emails, extracts structured fields from attached PDFs using Groq LLMs, validates invoices against Purchase Orders stored in Google Sheets, predi ...
1
Jul 27, 2026
Power your website chat with OpenAI GPT-4o-mini and session memory
Quick Overview This workflow exposes an n8n chat webhook that powers a website chatbot using an OpenAI chat model, with short-term session memory to keep recent conversation context. How it works Rec ...
0
Jul 27, 2026
Send a daily AI morning briefing with Google Gemini, RSS, Sheets, Gmail and weather
Quick Overview This workflow runs every morning to pull top BBC News headlines via RSS, today’s open tasks from Google Sheets, and a one-day forecast from Open-Meteo, then uses Google Gemini to writ ...
0
Jul 27, 2026
Generate batch product descriptions in Google Sheets with Gemini and Slack
Quick Overview This workflow runs daily to find products in Google Sheets that are missing marketing copy, generates a short description and SEO meta title for each item using Google Gemini in rate-li ...
0
Jul 27, 2026
Moderate toxic text, redact PII, and audit with a Gemini HTTP API
Quick Overview This workflow exposes a POST webhook that sends user text (and optional context) to Google Gemini for moderation, returning an allow/flag/block decision, toxicity level, matched categor ...
1
Jul 27, 2026
Chat with a research assistant using Google Gemini, Wikipedia, and Sheets
Quick Overview This workflow provides a chat-based research assistant powered by Google Gemini that can look up facts on Wikipedia, do calculations, and remember context, while also tagging each user ...
0
Jul 27, 2026
Extract business directory listings with Snapshot Site, OpenAI and Google Sheets
Quick overview This workflow runs daily, reads business-directory page URLs from Google Sheets, captures fully rendered HTML via Snapshot Site, uses OpenAI (via n8n’s Information Extractor) to extra ...
3
Jul 27, 2026
Score cold-chain batch recall risk from IoT excursions with Anthropic and email alerts
Quick overview This workflow receives cold-chain temperature excursion events via webhook, enriches them with shipment route history from a logistics API, uses Anthropic Claude to predict batch compro ...
0
Jul 27, 2026
Create real estate listing packages from room photos with Anthropic Claude
Quick overview This workflow collects an empty-room photo and property details via an n8n form, calls a virtual staging API and a real-estate comps API, uses Anthropic Claude to generate listing copy ...
0
Jul 27, 2026
Set dynamic restaurant menu pricing with Claude and QR menu APIs
Quick overview This workflow runs every 15 minutes to calculate dynamic restaurant dish prices from POS order velocity, local weather, and nearby events/foot-traffic data, then uses Anthropic Claude t ...
0
Jul 27, 2026
Score supplier reliability from incidents with Claude, Google Sheets, and SendGrid
Quick overview This workflow receives supplier incident reports via webhook, uses Anthropic Claude to classify the incident and generate a recommendation, calculates an explainable reliability score, ...
0
Jul 27, 2026
Run synthetic campaign focus groups with Claude and Google Sheets and SendGrid
Quick overview This workflow receives marketing campaign copy via webhook, simulates reactions from weighted ICP-based AI personas using Anthropic Claude, calculates an explainable 0–100 appeal scor ...
0
Jul 27, 2026
Classify cold email replies and route leads with Gmail, Gemini, Slack and Sheets
Quick overview This workflow polls Gmail for labeled outreach replies, cleans and classifies each reply with Google Gemini, logs results to Google Sheets, and for actionable messages, creates a Gmail ...
1
Built by Hassan Hassan
Jul 27, 2026
Send event quotes from WhatsApp with Groq, Google Calendar, Sheets and Supabase
Quick Overview This workflow responds to incoming WhatsApp inquiries by extracting event details with Groq, checking availability in Google Calendar, looking up rates in Google Sheets, and then sendin ...
0
Jul 26, 2026