Browse 6,282 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.
6,282 workflows
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Quick overview
This workflow takes a research topic from an n8n chat message, uses Groq to generate optimized Google Scholar queries, fetches paper results via SerpApi, enriches missing DOIs using the ...
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This workflow receives project requirements via a webhook, pulls service pricing from Google Sheets, uses OpenAI to analyze scope and estimate effort, optionally looks up missing servic ...
Quick overview
This workflow receives a project outline PDF via webhook, extracts its text, uses Anthropic Claude to generate a structured project plan, renders it into an HTML report, converts it to ...
Quick Overview
This workflow runs every morning to read inventory from Google Sheets, calculate days of cover and reorder suggestions, and use Google Gemini to draft a purchase recommendation. It aler ...
Quick Overview
This workflow runs every morning, reads a renewals register from Google Sheets, calculates time-to-expiry and notice deadlines, uses Google Gemini to draft a short owner briefing, then ...
Quick Overview
This workflow monitors unread Gmail messages labeled “sales”, uses Google Gemini to extract structured deal updates and a suggested reply, writes the deal and next action to Google ...
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This workflow runs daily, reads unpaid invoices from Google Sheets, uses Google Gemini to draft stage-appropriate reminder emails, sends them via Gmail, optionally alerts a Slack financ ...
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This workflow runs weekly to pull Meta Ads campaign and ad-level insights from the Meta Graph API, summarizes performance, generates charts with QuickChart, asks Google Gemini for writt ...
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Ask your spreadsheet questions in plain language — "best month?", "revenue by country?", "rows missing an email?" — and an AI agent reads the live sheet and answers with real number ...
Quick overview
This workflow accepts a website URL via an n8n form, scrapes the page with ScrapingBee, and uses Anthropic Claude to audit HTTP security headers and client-side vulnerabilities. It then ...
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This workflow polls a Gmail support inbox, uses OpenAI to classify each email, logs non-spam requests to Google Sheets, drafts FAQ-grounded replies back into the original Gmail thread, ...
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This scheduled workflow pulls Instagram influencers from Postgres, fetches each creator’s latest post via Unipile, evaluates caption and image relevance with OpenAI, and—when qualif ...
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This workflow listens for new HubSpot contacts created from form submissions, uses Anthropic Claude to draft a personalized first-response email, sends it via Gmail with your signature, ...
Quick overview
Capture real estate leads, qualify them through an AI-powered WhatsApp conversation, score buying intent, and notify your sales team when the lead is ready for follow-up.
How it works
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Quick overview
This workflow takes a job-posting URL or pasted job description, validates it with an OpenRouter model, generates an evidence-based tailored resume using Notion data, and saves the resu ...
Quick overview
Youtube Video: https://youtu.be/YtHfQONV4A4
This workflow accepts a YouTube video URL via Telegram, pulls the video metadata and top 100 comments using the YouTube Data API, analyzes au ...
Quick overview
This workflow emails packaging declaration (PPWR) requests from an uploaded supplier CSV, collects supplier submissions via an n8n Form with a PDF attachment, uses agent to extract key ...
Quick overview
This workflow polls a Truth Social account every minute via Bright Data, tracks the newest processed post ID in an n8n Data Table, uses OpenAI (GPT-4o-mini) to classify posts about Iran ...
Quick overview
This workflow samples recent Gmail inbox emails, uses OpenAI to propose a tailored Gmail label system, and requires human approval before creating labels and classifying messages, then ...
Quick Overview
This workflow collects n8n Form submissions, uses OpenAI (GPT-4o-mini) to score each lead from 1–10 with reasoning, posts hot leads (score ≥ 7) to Slack, and appends all scored lead ...