Browse 7,043 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.

7,043 workflows in Langchain
Nodes: Sort: Date:
Plan weekly SEO content from Google Trends and news with Apify, OpenAI and Google Sheets
Quick overview This workflow runs weekly (or on demand via an n8n form) to pull rising Google Trends searches and related Google News via Apify, scores and briefs them, uses OpenAI to generate structu ...
0
Oct 13, 2026
Edit, clip and dub Telegram videos with Renderster, OpenAI and Google Sheets
Quick overview This workflow turns Telegram messages into Renderster video processing jobs (auto edit, clips, dubbing, or transcripts) using OpenAI to interpret the request, then delivers the results ...
0
Built by Kelvin Kelvin
Oct 12, 2026
Track municipal SMS field reports with OpenAI and Data Tables
Quick overview Designed for municipal teams, this demonstration records field updates and incidents from SMS-style messages and lets agents check their recent activity. Inspired by rural African admi ...
0
Built by Alassane Alassane
Oct 12, 2026
Stress-test decisions and compare plans with Gemini and Claude
Quick overview Get an honest second opinion on a plan or decision before you act. Gemini plays devil's advocate and proposes a Plan B, Claude weighs both and recommends A, B or a mix. Works as a form ...
0
Oct 12, 2026
Classify invoice reminder replies with Claude Haiku, Gmail and Google Sheets
Quick overview This workflow monitors Gmail for replies to invoice reminders, uses Claude Haiku to classify each reply, logs the result to Google Sheets, and applies a matching Gmail label so you can ...
0
Built by Giacomo Giacomo
Oct 12, 2026
Find eyewitness YouTube footage of breaking events with OpenAI, Google Sheets and Telegram
Quick overview Help your newsroom be first to credible eyewitness footage. During a breaking event, this automation keeps watch on YouTube and sends editors only the clips worth checking, earliest upl ...
0
Built by Felix M Felix M
Oct 12, 2026
Analyze competitor Instagram Reels with Apify, DeepSeek, and Google Sheets
Quick overview This workflow runs daily to fetch competitors’ latest Instagram Reels via Apify, transcribe each Reel, generate structured content-strategy insights with an OpenAI-compatible model (D ...
0
Built by LanceAPI LanceAPI
Oct 12, 2026
Recover lost GoHighLevel deals with OpenAI, Gmail, and Google Sheets
Quick Overview This workflow runs daily to pull recently lost opportunities from GoHighLevel, evaluates timing/engagement/objection signals, and uses OpenAI to choose a recovery action. It then sends ...
0
Oct 12, 2026
Create Monday.com tasks from Fireflies transcripts with Gemini and Slack
Quick overview This workflow listens for Fireflies.ai transcript-ready webhooks, fetches the meeting transcript, uses Google Gemini to extract structured action items, creates each item as a task in M ...
0
Oct 12, 2026
Detect cloud cost anomalies with AWS Cost Explorer, GCP Billing and GPT-4o-mini
Quick overview This workflow runs daily to detect AWS and optional GCP cost spikes, enriches AWS anomalies with CloudTrail context and an OpenAI explanation, posts actionable alerts and a run summary ...
0
Built by Rahul Joshi Rahul Joshi
Oct 12, 2026
Triage workflow incidents and monitor n8n health with Slack, Gmail, OpenAI and Google Sheets
Quick overview This workflow monitors your n8n instance hourly and weekly by querying the n8n API for active workflows and recent executions, estimating error rates, performance, and OpenAI token spen ...
0
Built by Rahul Joshi Rahul Joshi
Oct 12, 2026
Monitor n8n workflow health and OpenAI cost with Slack, Gmail and Sheets
Quick overview This workflow monitors an n8n instance hourly and weekly by calling the n8n API to calculate execution health metrics and estimated LLM spend, then posts incident alerts to Slack, logs ...
1
Built by Rahul Joshi Rahul Joshi
Oct 12, 2026
Manage fleet compliance and driver renewals with Sheets, OpenAI and Telegram
Quick overview This workflow runs a daily compliance scan from Google Sheets, checks each vehicle’s document expiries and pending e-challans via an HTTP API, then uses OpenAI to message drivers on T ...
0
Built by Rahul Joshi Rahul Joshi
Oct 12, 2026
Monitor and verify signed crypto prices with MCP and Pulse Verity Index
Quick overview Monitor a signed crypto price from the Pulse Verity Index on a schedule. Verify record integrity, apply your own freshness and quality requirements, record decisions in n8n Data Tables, ...
0
Oct 12, 2026
Track and approve expense receipts with Gmail, Google Gemini, Sheets and Slack
Quick Overview This workflow monitors Gmail for receipt/invoice email attachments, uses Google Gemini to extract expense details, validates and logs them to Google Sheets, alerts Finance in Slack when ...
0
Oct 12, 2026
Manage employee leave requests with Google Forms, Sheets, Gmail and Gemini
Quick overview This workflow collects employee leave requests via an n8n Form, checks leave balances stored in Google Sheets, emails managers for approval through Gmail (with a Google Gemini-generated ...
0
Oct 12, 2026
Monitor app reviews with Google Gemini, Google Sheets, Slack, and Gmail
Quick overview This workflow fetches mobile app reviews from an HTTP endpoint, analyzes each review with Google Gemini for sentiment and support category, logs negative reviews to Google Sheets, and a ...
0
Oct 12, 2026
Manage Google reviews with Claude Sonnet, Supabase, and Slack
Quick overview This workflow runs every three hours to dedupe and log new customer reviews in Supabase, uses Anthropic to analyze sentiment and draft public replies, requests Slack approval for risky ...
0
Oct 12, 2026
Quote junk removal from texted photos with Twilio, OpenAI and Google
Quick overview Customers text photos of a pile to your Twilio number. OpenAI describes it and matches it to your price list in Google Sheets; the total is added up in code. Big or odd jobs wait for yo ...
0
Oct 10, 2026
Extract and validate invoice data with OpenAI, Google Sheets, and Gmail
Quick overview This workflow receives uploaded invoice files via a webhook, uses OpenAI to extract structured invoice fields, checks and logs invoices in Google Sheets, and emails status updates via G ...
0
Oct 10, 2026