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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Prepare executive meeting briefs with Firecrawl, Tavily, OpenAI, and Gmail
Quick overview This workflow collects meeting details via an n8n form, scrapes the company website with Firecrawl, pulls recent news with Tavily, and uses OpenAI to generate an executive meeting brief ...
0
Aug 24, 2026
Create news anchor avatar videos from Slack with OpenAI and HeyGen
Quick overview Chat with a Slack bot to draft a script from any topic, revise it right in the thread, then approve to auto-generate a talking-avatar video with HeyGen — delivered straight back to yo ...
0
Built by samxck samxck
Aug 24, 2026
Audit prospect websites and generate HTML SEO reports with Bright Data and GPT-5.6
Quick overview This workflow collects key pages from a prospect’s website via Bright Data Web Unlocker, audits technical SEO signals from the raw HTML and robots.txt, uses OpenAI (GPT-5.6) to write ...
0
Aug 24, 2026
Serve a company enrichment API with Bright Data and OpenAI GPT-5.6
Quick overview This workflow exposes a webhook-based company enrichment API that accepts a domain, fetches the company website, pricing page, and Google search results via Bright Data, then uses OpenA ...
0
Aug 24, 2026
Triage failing workflows with Bright Data, OpenAI GPT-5.6 and Slack
Quick Overview This error workflow triggers when any other n8n workflow fails, checks the failing URL from an external IP via Bright Data and consults the vendor’s Statuspage summary, then uses Open ...
0
Aug 24, 2026
Extract invoice data from Gmail PDFs to Google Drive, Sheets, and OpenAI
Quick overview This workflow checks Gmail for emails with PDF invoice attachments, saves each PDF to a month-based Google Drive folder, uses OpenAI to extract key invoice fields, and appends qualifyin ...
0
Aug 24, 2026
Extract Amazon invoice data with Airtop, OpenAI, and Google Sheets
Quick overview This workflow runs nightly, reads today’s Amazon invoice URLs from Google Sheets, captures each invoice in an Airtop cloud browser, stores the screenshot in Google Drive, uses OpenAI ...
0
Built by isaWOW isaWOW
Aug 24, 2026
Auto-fix ClickUp bug reports with OpenAI, Cursor, GitHub and Slack
Quick overview This workflow receives ClickUp bug reports via webhook, uses OpenAI to plan a fix, optionally asks for developer approval in Slack, then triggers Cursor’s background agent to implemen ...
0
Aug 24, 2026
Monitor attack surface changes with OpenAI, Slack, Postgres and email
Quick overview This workflow runs every 6 hours to collect attack-surface assets from three HTTP APIs, normalize and deduplicate them, compare them to a Postgres baseline, and use OpenAI to generate r ...
0
Aug 24, 2026
Generate carbon emission reports with GPT-4.1-mini, Slack, and ESG APIs
Quick Overview This workflow ingests electricity and fuel consumption via webhook, schedule, or manual run, estimates CO2e using a live grid carbon-intensity API with fallback factors, generates an Op ...
0
Aug 24, 2026
Extract Amazon invoice links nightly with Airtop, OpenAI, and Google Sheets
Quick overview This workflow runs nightly to open Amazon order history in an Airtop cloud browser, scrape the page, use OpenAI to extract order IDs and invoice links, and append cleaned invoice URLs t ...
0
Built by isaWOW isaWOW
Aug 24, 2026
Draft and label Gmail support and sales replies with OpenAI
Quick overview Automatically triage incoming Gmail messages and prepare AI-generated replies with OpenAI while keeping a human in control. This workflow monitors unread emails in your Gmail inbox, cl ...
0
Aug 23, 2026
Sync documentation vectors from GitHub with Ollama and Qdrant
Quick overview This workflow runs daily to sync the n8n-io/n8n-docs GitHub repository into a Qdrant vector collection by fetching Markdown files, chunking them by section, generating embeddings with O ...
0
Aug 23, 2026
Score HVAC leads and send Gmail replies with Claude and Google Sheets
Quick overview This workflow captures HVAC leads from a Tally form webhook, normalizes the submission data, uses Anthropic Claude to score and draft a reply, emails the lead and your sales team via Gm ...
0
Aug 23, 2026
Extract and validate Gmail invoice PDFs into Google Sheets with OpenAI
Quick overview This workflow watches a Gmail label for invoice emails with PDF attachments, extracts the PDF text, uses OpenAI to pull structured invoice fields, validates totals and VAT logic, and th ...
24
Aug 23, 2026
Generate and approve Google Business Profile posts with Gemini and Telegram
Quick Overview This workflow onboards businesses from a website, stores client data in Google Sheets and assets in Google Drive, generates weekly Google Business Profile content with Google Gemini, an ...
Vet supplier payments with Bright Data, GPT-5.6, Slack, and data tables
Quick overview This workflow collects supplier and invoice details via an n8n form, runs live website, complaint-search, and invoice-domain checks through Bright Data, generates a plain-language risk ...
0
Aug 23, 2026
Track contract signatures and onboard clients with Airtable, Groq, Gmail, Trello and Slack
Quick overview This workflow receives e-signature status webhooks,logs and updates contract records in Airtable,and when a contract is completed it uses Groq to generate an onboarding checklist that i ...
0
Aug 23, 2026
Review employee overtime compliance with Google Sheets, GPT-4o-mini, and Gmail
Quick overview This workflow runs weekly to total employee timesheet hours from Google Sheets, assess overtime thresholds, and use OpenAI to draft escalation notes for over-40-hour cases, then emails ...
0
Built by iamvaar iamvaar
Aug 22, 2026
Plan Telegram trip itineraries with Google Gemini and SerpAPI
Quick overview This workflow polls Telegram every minute for new user messages, uses Google Gemini to extract trip details, calculates a budget split, and then generates and sends a grounded day-by-da ...
0
Built by iamvaar iamvaar
Aug 22, 2026