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
Nodes: Sort: Date:
Generate dividend income reports via Telegram with Google Gemini
Quick overview This workflow listens for Telegram messages, validates the sender, parses an investment amount and risk strategy, builds a predefined dividend ETF/stock allocation, calculates estimated ...
1
Jun 20, 2026
Track expenses from phone notifications with Google Gemini and Google Sheets
Quick overview This workflow receives phone push notification through FlowTrigger mobile app, extracts the transaction amount and date, uses Google Gemini to categorize the expense and adds it to a Go ...
0
Built by FlowTrigger FlowTrigger
Jun 20, 2026
Write and score cold email variants as Gmail drafts with OpenAI and Sheets
Quick overview This workflow collects prospect details via an n8n form, uses OpenAI (ChatGPT) to generate a personalized cold email and subject line, sends the email through Gmail, and logs the outrea ...
0
Jun 20, 2026
Qualify Product Hunt leads with Google Gemini, Apify, and Google Sheets
Quick overview Youtube Video: https://youtu.be/h47YeiivZvs?si=V-S1X-ME5V24Tuch This workflow runs daily to pull the latest Product Hunt posts, qualifies them with Google Gemini, scrapes ICP-matching ...
1
Built by iamvaar iamvaar
Jun 19, 2026
Validate startup ideas with Google Gemini, Groq, and Gmail
Quick overview This workflow collects a startup idea via an n8n form, uses Google Gemini to generate a SWOT-style analysis, assigns a viability score, uses Groq to turn the results into a structured v ...
1
Jun 19, 2026
Extract meeting insights and ClickUp tasks with ChatGPT, Google Sheets and Gmail
Quick overview This workflow collects a meeting transcript via an n8n Form, uses OpenAI (ChatGPT) to extract structured meeting intelligence, logs the results to Google Sheets, creates one ClickUp tas ...
0
Built by isaWOW isaWOW
Jun 19, 2026
Generate VEO3 videos from form ideas with ChatGPT, fal.ai, Drive and Gmail
Quick overview This workflow collects a video idea via an n8n Form, uses OpenAI to turn it into an optimized prompt, generates an 8-second VEO3 video with native audio via fal.ai, saves the MP4 to Goo ...
1
Jun 19, 2026
Enrich and route inbound leads using You.com, Groq, Notion, and Slack
Quick overview This workflow receives inbound lead details via webhook, enriches the company using You.com search and website content extraction, generates a one-page profile and fit score with Groq, ...
0
Built by Kevin Yu Kevin Yu
Jun 19, 2026
Extract meeting insights from transcripts with OpenAI, Google Sheets and ClickUp
Quick Overview This workflow collects a meeting transcript via an n8n Form, uses OpenAI (ChatGPT) to extract structured meeting intelligence, logs the results to Google Sheets, creates one ClickUp tas ...
0
Built by isaWOW isaWOW
Jun 19, 2026
Track Slack EOD updates and post executive summaries with Google Sheets and Gemini
Quick overview Youtube Video: https://youtu.be/AbkX2splTTg?si=LTHqLFIWQD4hAYsO This workflow collects end-of-day updates from team members in Slack, stores them in Google Sheets, and posts a concise ...
18
Built by iamvaar iamvaar
Jun 18, 2026
Generate and send personalized client proposals with OpenAI, SendGrid, Slack, and Google Sheets
Quick overview This workflow accepts proposal requests via webhook or an hourly schedule, normalizes and validates the client data, uses OpenAI to generate a tailored proposal with pricing, then sends ...
9
Jun 18, 2026
Grade system prompts in Google Sheets with a Gemini LLM judge
Quick overview This workflow manually grades a system prompt by running it against a sample user task with Google Gemini, then has a second Gemini judge score the prompt (1–10) and write the grade a ...
0
Built by David Grimm David Grimm
Jun 18, 2026
Book, reschedule and confirm WhatsApp appointments with Claude and Sheets
Quick overview This workflow receives WhatsApp messages via a Meta webhook, uses Anthropic Claude to detect booking intents and extract appointment details, writes updates to Google Sheets, and sends ...
2
Jun 18, 2026
Summarize daily Slack standups with OpenAI, Notion, and Google Sheets
Quick overview This workflow runs every weekday, pulls standup messages from a Slack channel, uses OpenAI to generate a structured daily digest, saves the digest to a Notion database, posts a summary ...
0
Jun 18, 2026
Send weekly YouTube performance digests with OpenAI, Slack, Gmail and Sheets
Quick overview This workflow runs every Monday to fetch your latest YouTube videos, calculate performance rankings, generate an OpenAI insight summary, then share a weekly digest to Slack, log metrics ...
0
Jun 18, 2026
Generate and publish AI ops blog content with Notion, Ghost, Buffer and OpenAI
Quick overview One workflow. A whole content team. It finds a fresh topic, researches it with real sources, writes the article and checks every claim, designs a cover image, drafts your social posts, ...
2
Jun 18, 2026
Send escalating invoice reminders with Notion, Claude, Gmail and Telegram
Quick overview This workflow runs every morning to pull unpaid invoices from a Notion database, calculates how overdue each one is, uses Anthropic Claude to draft an escalation-appropriate reminder, e ...
0
Jun 17, 2026
Publish weekly SMB blog posts with Perplexity, Claude, Gemini, Supabase, and Gmail
Quick overview This workflow runs weekly to generate, research, write, illustrate, and publish a new blog post by combining Supabase (content + storage), Perplexity (topic + research), Anthropic Claud ...
6
Jun 17, 2026
Recover overdue invoices with GPT-4o-mini, Gmail, Google Sheets, and Slack
Quick overview This workflow runs daily to read overdue invoices from Google Sheets, uses OpenAI (GPT-4o-mini) to draft personalized reminder emails and determine escalation level, sends emails via Gm ...
0
Built by Rahul Joshi Rahul Joshi
Jun 17, 2026
Send daily executive financial briefings with Google Sheets, GPT-4o-mini, Notion and Telegram
Quick overview This workflow runs every weekday at 7 AM to pull financial data from Google Sheets, calculate KPIs, generate an executive briefing with OpenAI (GPT-4o-mini), save the report to Notion, ...
2
Built by Rahul Joshi Rahul Joshi
Jun 17, 2026