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
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Schedule Appointments via Telegram with GPT-4o & Google Calendar
🔧 How It Works Telegram Trigger – Listens for incoming messages from users via your Telegram bot. Watch Full Step-by-step Guide Video here: https://www.youtube.com/watch?v=GzWO7_1lyI8 AI Agent ...
1,137
May 28, 2025
Bulk AI Image Generator, Rename Engine & 4× Upscaler
YOUTUBE GUIDE 📣 This template generates up to 2,000 AI-based stock images per day for under $4. It includes prompt generation, image creation, metadata enrichment, upload to Google Drive, and error ...
659
May 28, 2025
Goodreads Quote Extraction with Bright Data and Gemini
Goodreads Quote Extraction with Bright Data and Gemini This workflow demonstrates how to fetch data specifically from Goodreads web pages using Bright Data and then extract specific information (quot ...
119
Built by Dvir Sharon Dvir Sharon
May 27, 2025
Analyze BeyondPresence Video Calls with GPT-4o-mini and Google Sheets
Transform your BeyondPresence video agent conversations into comprehensive insights by automatically analyzing each call with AI and organizing 35+ data points in Google Sheets. This template helps cu ...
203
May 27, 2025
Automated Invoice Processing System with OCR & AI - AP Automation with Airtable
Video Introduction Invoice Processing Automation This template is the automation behind a simple incoming invoice automation tool (AP automation) tool built in Airtable. Link to the Airtable base, ...
1,326
May 27, 2025
Promote YouTube Videos on Reddit with AI-Generated Comments and Email Digest
Motivation Are you a small YT channel looking to grow to 1000 subs ? This workflow has helped me grow to 80 subs via Reddit Marketing. Check out the YT Tutorial. What it is This n8n workflow autom ...
374
Built by Ari Nakos Ari Nakos
May 27, 2025
Generate Content Ideas with Gemini Pro and Store in Google Sheets
Automated Content Idea Generation and Expansion with Google Gemini and Google Sheets This n8n workflow automates the process of generating content ideas based on a user-defined topic, then expands ea ...
1,970
Built by Dvir Sharon Dvir Sharon
May 27, 2025
Notion AI Summary & Tags
What This Workflow Does: This n8n workflow automatically generates an AI-powered summary and relevant tags whenever a new row is added to your Notion database. Simply save any URL to your Notion da ...
1,038
Built by Parnain Parnain
May 27, 2025
Evaluation Metric: Summarization
This n8n template demonstrates how to calculate the evaluation metric "Summarization" which in this scenario, measures the LLM's accuracy and faithfulness in producing summaries which are based on an ...
496
Built by Jimleuk Jimleuk
May 27, 2025
Evaluate RAG Response Accuracy with OpenAI: Document Groundedness Metric
This n8n template demonstrates how to calculate the evaluation metric "RAG document groundedness" which in this scenario, measures the ability to provide or reference information included only in retr ...
638
Built by Jimleuk Jimleuk
May 27, 2025
Evaluate AI Agent Response Relevance using OpenAI and Cosine Similarity
This n8n template demonstrates how to calculate the evaluation metric "Relevance" which in this scenario, measures the relevance of the agent's response to the user's question. The scoring approach i ...
555
Built by Jimleuk Jimleuk
May 27, 2025
Evaluate AI Agent Response Correctness with OpenAI and RAGAS Methodology
This n8n template demonstrates how to calculate the evaluation metric "Correctness" which in this scenario, measures the compares and classifies the agent's response against a set of ground truths. T ...
648
Built by Jimleuk Jimleuk
May 27, 2025
Evaluations Metric: Answer Similarity
This n8n template demonstrates how to calculate the evaluation metric "Similarity" which in this scenario, measures the consistency of the agent. The scoring approach is adapted from the open-source ...
515
Built by Jimleuk Jimleuk
May 27, 2025
Generate LinkedIn Posts with GPT-4, Preview on WhatsApp, and Auto-Publish
# Workflow Overview Transform your LinkedIn presence with this powerful AI-driven automation workflow that generates and posts high-quality thought leadership content automatically. Let this AI Agen ...
336
Built by papcy papcy
May 27, 2025
Automate News Publishing to LinkedIn with Gemini AI and RSS Feeds
📰 LinkedIn News Auto-Publisher Overview 📋 This project is an automated news publisher for LinkedIn. It uses RSS feeds to fetch news, processes the content with the Gemini API to generate preci ...
Auto-Respond to Gmail Inquiries using OpenAI, Google Sheet & AI Agent
Who is this for? This workflow is ideal for: Customer support teams looking to reduce manual response time SaaS companies that frequently receive product inquiries E-commerce stores with common cust ...
1,416
May 27, 2025
Generate Daily E-Commerce Order Reports with Supabase, GPT-4.1 and Gmail
This n8n workflow automates the generation and delivery of a daily order summary via email. It leverages an AI Agent to fetch and summarize e-commerce order data from the last 24 hours stored in Supab ...
1,353
May 26, 2025
Find Content Gaps in Competitors' Websites with InfraNodus GraphRAG for SEO
This template can be used to find the content gaps in your competitors' discourse: identifying the topics they are not yet connecting and giving you an opportunity to fill in this gap with your conte ...
4,845
Built by InfraNodus InfraNodus
May 26, 2025
AI Chatbot Agent with a Panel of Experts using InfraNodus GraphRAG Knowledge
Using the knowledge graphs instead of RAG vector stores This workflow creates an AI chatbot agent that has access to several knowledge bases at the same time (used as "experts"). These knowledge ba ...
7,212
Built by InfraNodus InfraNodus
May 26, 2025
Build a PDF Document RAG System with Mistral OCR, Qdrant and Gemini AI
This workflow is designed to process PDF documents using Mistral's OCR capabilities, store the extracted text in a Qdrant vector database, and enable Retrieval-Augmented Generation (RAG) for answering ...
20,271
May 26, 2025