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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Generate carbon emissions reports with OpenAI, Slack and an ESG dashboard
Quick overview This workflow receives energy consumption data or runs on a schedule, converts electricity and fuel usage into estimated CO2e using a live grid-intensity API, and generates a management ...
0
Aug 14, 2026
Detect SEO opportunities with GSC, GA4, GPT-4o, Sheets, Notion, Slack and Gmail
Quick overview This workflow runs daily to compare the last 28 days vs the prior 28 days in Google Search Console and Google Analytics 4, detects and scores SEO opportunities, saves them to Google She ...
0
Aug 14, 2026
Find weak local Google Business profiles with Bright Data, GPT-5.6, Sheets and Slack
Quick overview This workflow runs weekly to discover local businesses on Google Maps via Bright Data, score measurable Google Business Profile gaps against nearby peers, extract complaint themes from ...
0
Aug 13, 2026
Generate Zen articles and images with OpenRouter, Google Sheets, and Drive
Quick overview This workflow manages a Yandex Zen content pipeline by generating weekly article topics from Wikipedia categories, then drafting a daily Russian article and up to two illustrations via ...
0
Built by RenegaDe RenegaDe
Aug 13, 2026
Assess operating models and generate AI transformation blueprints with OpenAI and Google
Quick Overview This workflow runs on demand to collect operating-model evidence from Google Drive and Google Sheets, analyzes inefficiencies and AI opportunities with OpenAI, and produces a target ope ...
0
Built by Craig Craig
Aug 13, 2026
Track job skill demand and pay with Bright Data, OpenAI, Google Sheets and Slack
Quick overview This workflow runs weekly to discover live LinkedIn job postings via Bright Data, uses OpenAI (GPT-5.6) to extract required skills and any stated pay, compares results with prior runs s ...
0
Aug 13, 2026
Send rent reminders and weekly AI summaries with OpenAI, Sheets, Gmail and Telegram
Late rent, handled politely and automatically. This workflow reads your tenant ledger from Google Sheets every morning, has AI draft gentle-to-firm reminders for overdue tenants, sends them via Gmail, ...
0
Aug 13, 2026
Review and approve supplier applications with OpenAI, Google Sheets, Gmail and Discord
Quick Overview This workflow monitors new supplier applications in Google Sheets, validates required fields, uses OpenAI to assess risk and recommend approval or follow-up, logs decisions back to Shee ...
0
Aug 13, 2026
Draft and triage Google Maps guest review replies with SerpApi and OpenRouter
Quick overview This workflow runs manually or on a schedule to fetch new, unanswered Google Maps reviews via SerpAPI, uses OpenRouter (Claude) to classify each review and draft an appropriate reply, t ...
0
Built by Dahiana Dahiana
Aug 13, 2026
Analyze Amazon review gaps with Bright Data, OpenAI, Google Sheets, and Slack
Quick overview This workflow collects Amazon product URLs via an n8n form, pulls reviews from Bright Data, extracts complaint and praise themes with OpenAI (GPT-5.6), identifies competitive gaps versu ...
0
Aug 13, 2026
Qualify and route inbound leads with OpenAI, Slack, HubSpot, and Google Sheets
Quick overview This workflow receives inbound lead submissions via a webhook, validates business emails, enriches leads by scraping their website, and uses OpenAI to score ICP fit. It then routes hot ...
0
Built by Charles Charles
Aug 13, 2026
Coach job interviews with Whisper, GPT-4.1, and OpenAI text-to-speech
Quick overview This workflow runs as a webhook-based, voice-first mock interview coach that transcribes a candidate’s audio with OpenAI, analyzes delivery metrics, uses an OpenAI chat agent with ses ...
0
Aug 13, 2026
Explain pasted code and follow-up questions with GPT-4.1 and Slack
Quick overview This workflow receives a code snippet via webhook, performs deterministic static analysis, uses an OpenAI chat model to generate a structured explanation and optional follow-up answer, ...
0
Aug 13, 2026
Generate RAG-based study flashcards from notes with OpenAI and Slack
Quick overview This workflow turns submitted study notes into a reviewed flashcard deck by chunking the text, retrieving the most relevant passages with OpenAI embeddings, generating grounded Q&A card ...
0
Aug 13, 2026
Monitor product prices and stock with Google Sheets, OpenAI, and Slack
Quick overview This workflow runs every 6 hours to monitor product URLs from Google Sheets by capturing rendered HTML with Snapshot Site, extracting price and availability with OpenAI, posting change ...
0
Aug 13, 2026
Route chat prompts to free LLMs with Agnes AI, NVIDIA, and Ollama
Quick overview This workflow provides a simple AI playground where users can choose between several free LLM options—NVIDIA Integrate chat completions, Agnes AI chat completions, a local Ollama mode ...
0
Aug 13, 2026
Summarize meeting transcripts with Google Drive, OpenAI, Gmail, and Sheets
Quick overview Drop a meeting transcript in a Drive folder (Meet doc, .txt, .vtt/.srt) and get structured minutes, decisions, and action items with owners, due dates and priorities — as a Gmail draf ...
0
Built by Ziad Karim Ziad Karim
Aug 13, 2026
Review contract risks and route approvals with Google Drive, OpenAI, and Gmail
Quick overview This workflow monitors a Google Drive folder for new contract PDFs, extracts and analyzes their text with OpenAI, routes the contract for email-based approval via Gmail based on contrac ...
25
Built by Intuz Intuz
Aug 13, 2026
Log food safety temperatures with DeepSeek and GPT email reports to Sheets, Telegram and Discord
Food safety logs that fill themselves in. This workflow takes temperature readings from your kitchen team, has an AI agent judge each one against safe storage zones, logs everything to Google Sheets, ...
0
Aug 13, 2026
Route multichannel support tickets with OpenAI, HubSpot, Jira, and Slack
Quick overview Analyze incoming support requests, classify intent and priority with AI, create Jira tickets, assign the correct team, send Slack notifications, and track SLA deadlines. Supports Gmail, ...
14
Built by Intuz Intuz
Aug 13, 2026