Browse 6,280 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.

6,280 workflows in Langchain
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Analyze competitor pricing and feature changes with Google Gemini
Quick overview This workflow runs on a weekly schedule (or manually) to compare a competitor’s previous vs current pricing/feature snapshot, analyzes the changes with Google Gemini, and produces a s ...
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Built by Qasim Qasim
Aug 20, 2026
Score and triage job candidates with OpenAI, Google Drive, Google Sheets, and Gmail
Quick overview This workflow receives candidate applications via webhook, uploads resumes to Google Drive, logs candidate details in Google Sheets, and uses OpenAI to score questionnaire answers and s ...
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Aug 20, 2026
Monitor vendor outages and breaches with Bright Data, GPT-5.6 and Slack
Quick Overview This workflow monitors the third-party vendors your website depends on by fetching your homepage via Bright Data, checking each vendor’s Statuspage API and recent news, comparing resu ...
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Aug 20, 2026
Manage weekly coaching check-ins with Google Sheets, Gmail and DeepSeek
Quick Overview This workflow emails weekly check-in links to active coaching clients from Google Sheets, collects responses via an n8n Form, uses OpenAI (DeepSeek model) to draft personalized coaching ...
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Aug 20, 2026
Draft and track incident postmortems with OpenAI, Google Sheets, Discord and Gmail
Quick Overview This workflow collects incident reports via an n8n form, uses OpenAI (DeepSeek) to draft a structured postmortem, logs postmortems and action items to Google Sheets, and notifies stakeh ...
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Aug 20, 2026
Create realistic exam study plans via Telegram with Gemini and Google Sheets
Quick overview Youtube Video: https://youtu.be/7mFGYw7qAwU This workflow uses Telegram, Google Gemini, and Google Sheets to extract exam details from a student message, generate a realistic study pla ...
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Built by iamvaar iamvaar
Aug 20, 2026
Log Telegram client updates to Notion and Google Sheets with Gemini
Quick overview Youtube Video: https://youtu.be/kEumCSBunnM?si=AxpoxP8KLF2haz1X This workflow captures freelancer project updates from Telegram, uses Gemini to extract and match the client from a Shee ...
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Built by iamvaar iamvaar
Aug 20, 2026
Triage security vulnerability alerts with NVD, Gemini, Supabase, and Jira
Quick overview Youtube Video: https://youtu.be/8f-TzjNmbFI?si=V46dC5o45LGv28S0 This workflow receives vulnerability alerts via webhook, deduplicates repeated events with Redis, enriches CVE details f ...
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Built by iamvaar iamvaar
Aug 20, 2026
Analyze YouTube channel performance with Telegram, Google Sheets, and Gemini
Quick overview Youtube Video: https://youtu.be/0YnI_8VsRe8?si=OLPAo4YOFSyfwCv9 This workflow listens for YouTube channel link sent to a Telegram bot, pulls channel and latest upload metrics from the ...
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Built by iamvaar iamvaar
Aug 20, 2026
Screen AI systems for EU AI Act high-risk tiers with Groq and data tables
Quick overview This workflow collects AI system details via an n8n form, screens them for EU AI Act high-risk signals using data table keyword matching and a Groq-hosted LLM, then assigns a risk tier, ...
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Aug 20, 2026
Assess SaaS vendor risk with OpenAI and Probo and notify security in Slack
Quick overview This workflow collects a SaaS vendor request via n8n Forms or a webhook, discovers and classifies public security/privacy links with OpenAI, analyzes the evidence to produce a structure ...
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Aug 20, 2026
Route and respond to support tickets with Google Sheets, Slack, and Gemini
Quick Overview This workflow receives customer support requests via a webhook, validates and deduplicates them using Google Sheets, classifies and drafts replies with Google Gemini, escalates high-ris ...
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Aug 20, 2026
Route Reddit buying signals to Slack using Bright Data and GPT-5.6
Quick overview This workflow runs daily to search Reddit for exact-phrase queries via Bright Data Web Unlocker, filters and deduplicates new threads using an n8n Data Table, classifies each thread wit ...
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Aug 20, 2026
Detect duplicate invoices with Google Sheets, Google Gemini and Slack
Quick Overview This workflow detects potential duplicate invoices when new rows are added in Google Sheets, scores matches against historical invoices, uses Google Gemini to classify risk, and then al ...
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Aug 20, 2026
Match and approve invoices with Google Sheets, Groq Llama 3.3, Notion and Gmail
Quick overview This workflow runs daily to three-way match invoices against purchase orders and goods receipts in Google Sheets, using fuzzy similarity scoring plus Groq Llama 3.3 semantic checks to a ...
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Aug 20, 2026
Classify purchase requisitions with Google Gemini, Gmail, Slack and Sheets
Quick overview This workflow receives purchase requisitions via a webhook, validates and normalizes the payload, uses Google Gemini to classify the requisition into a procurement category with confide ...
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Aug 20, 2026
Qualify rental leads and send tenant emails with Google Gemini and Gmail
Quick overview When a rental inquiry arrives, this workflow looks up the property requirements, qualifies the applicant using Gemini AI, and instantly sends a personalized response — application lin ...
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Built by Hassan Hassan
Aug 20, 2026
Tear down proven Meta ads with Bright Data, GPT-5.6 and Gmail
Quick overview This workflow runs weekly, uses Bright Data to fetch Meta Ad Library results for your competitor search terms, extracts ad age and landing URLs, summarizes angles with OpenAI (GPT-5.6), ...
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Aug 20, 2026
Triage social crisis mentions with Google Gemini and webhook routing
Quick overview This workflow receives social mention payloads via a webhook, uses Google Gemini to triage them against a PR crisis matrix, and routes the result into P0/P1/P2 handling paths while gene ...
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Built by Qasim Qasim
Aug 20, 2026
Qualify student leads from Google Sheets with OpenAI, Twilio, Telegram and Gmail
Quick overview This workflow polls a Google Sheets lead intake every 15 minutes, uses OpenAI (GPT-4o-mini) to score and classify each student enquiry, logs it to a CRM sheet, then sends a Twilio Whats ...
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Built by Rahul Joshi Rahul Joshi
Aug 19, 2026