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:
Quick overview
Watches comments on competitor review videos through Bright Data, so no YouTube API key or quota is needed. Rules in code sort every comment into six objection types (price, performance ...
Quick overview
This workflow runs weekly to scrape recent LinkedIn company posts with Bright Data, benchmark your engagement rate against competitor pages by format, and use OpenAI to generate a short ...
Quick overview
This workflow runs weekly to pull selected macroeconomic time series from a FRED MCP server, detect regime changes versus last week, and—when something shifts—uses OpenAI to write a ...
Quick overview
Compares Item 1A (Risk Factors) between the two most recent 10-K filings for each ticker using a SEC EDGAR MCP server, summarizes the material changes with OpenAI, records what was alre ...
Quick overview
This workflow provides a Dutch-language chat agent that searches Belgian secondhand listings and auction lots via the koopje.ai API, optionally fetching full listing details, using an O ...
Quick overview
This workflow listens for Slack @mentions, uses an OpenAI chat model plus Apify web research tools to answer the question with cited sources, and replies in the same Slack thread while ...
Quick overview
This workflow watches Gmail for unread invoice emails with PDF attachments, extracts invoice details with OpenAI, logs them to Google Sheets, calculates month-to-date and upcoming cash ...
Quick overview
This workflow captures inbound form submissions, cleans and enriches the lead data, uses Google Gemini to score fit against your ideal customer profile, upserts the contact in HubSpot, ...
Quick overview
This workflow logs automated decisions via an n8n form, checks them against GDPR Article 22 criteria using Groq and configurable effect rules stored in n8n Data Tables, alerts your team ...
Quick overview
This workflow pulls LinkedIn profiles with Apify, extracts key fields, uses an OpenRouter (Gemini) AI agent to score and draft Turkish outreach messaging, and saves the qualified lead d ...
Quick overview
This workflow collects suspected personal data breach reports via an n8n form, scores them against GDPR risk factors stored in n8n Data Tables, uses Groq to validate additional risk fac ...
Quick overview
Youtube Video: https://youtu.be/_X28g1l70k8?si=GejNEDdS5ML6PX17
This workflow captures roofing inquiries via an n8n Form, deduplicates and stores leads in Google Sheets, uses Google Ge ...
Quick overview
Youtube Video: https://youtu.be/ekCMYUeee6Y?si=fphlFmKkarUKUBKg
This workflow collects a URL via an n8n form, checks it against Google Safe Browsing and VirusTotal, enriches it with RD ...
Quick overview
This workflow runs every 30 minutes to detect delayed shipments from Google Sheets, sends a delay summary to Telegram, uses OpenAI to recommend alternate routes from a routing API, requ ...
Quick overview
This workflow accepts a YouTube URL via webhook, pulls video details and a transcript, uses OpenAI to generate repurposed text content and a thumbnail image, uploads the thumbnail to Go ...
Quick overview
This workflow receives one-click links from a reminder email and, based on the requested action, confirms, reschedules, or cancels a Google Calendar meeting and notifies the attendee vi ...
Quick overview
This workflow runs daily to fetch AI-related articles from NewsAPI, analyzes each one with OpenAI, stores unique insights in PostgreSQL, then generates an executive-style daily digest a ...
Quick Overview
This workflow receives real estate leads via a webhook, validates the data, stores it in PostgreSQL, scores and classifies the lead with OpenAI, assigns an agent by location, then sends ...
Quick Overview
This workflow monitors a Gmail inbox for invoice dispute emails, pulls related invoice, payment, usage, pricing, and line-item data from n8n Data Tables, and uses OpenAI to classify the ...
Quick overview
This workflow receives WhatsApp messages via Evolution API, uses Google Gemini multi-agent routing with Redis conversation memory to generate specialist replies, optionally schedules me ...
