@n8n/n8n-nodes-langchain.agent
3,546 workflows using this node.
What is the @n8n/n8n-nodes-langchain.agent node used for in n8n workflows?
@n8n/n8n-nodes-langchain.agent n8n workflows are automation templates that use the @n8n/n8n-nodes-langchain.agent node as part of a reusable workflow. Builders use these templates to inspect how the node connects with triggers, data transformation steps, app integrations, notifications, storage, or AI-powered actions inside n8n. Each workflow listing includes a title, summary, author attribution, categories, complexity level, source links when available, and a downloadable JSON file for review before import. Use this page to compare practical examples, understand the surrounding nodes, and choose a template that can be safely tested and adapted in your own n8n workspace.
n8n-n8n-nodes-langchain-agent 
Create structured XML system messages for AI agents with Claude 4 Sonnet
Agent XML System Message Engineering: Enabling Robust Enterprise Integration and Automation Why Creating System Messa...
Research-based article generator with OpenAI and web search for high SEO scores
Generate research backed article with n8n Who’s it for Content marketers, SEO teams, and founders who need fast, rese...
Create custom reasoning patterns for AI agents with GraphRAG & knowledge ontology
Teach your AI agent HOW to think, not WHAT to think This workflow demonstrates...
AI-generated account briefs with MadKudu, OpenAI & Salesforce for Outreach
Generate and send MadKudu Account Brief into Outreach This workflow generates an account brief tailored to your compa...
Build a comprehensive multimodal assistant on Telegram with OpenAI, SERP and Vector Store
J.A.R.V.I.S. Multimodal AI assistant on Telegram with OpenAI This workflow transforms your Telegram bot into J.A.R.V....
Convert unstructured contact data to JSON with GPT-4 for system integration
This workflow contains community nodes that are only compatible with the self hosted version of n8n. This n8n workflo...
Automated company research & lead enrichment with GPT-4o and Google Sheets
Supercharge your sales and marketing with this AI powered workflow! Stop wasting hours on manual company research. Th...
Generate LinkedIn posts with Gemini content & Imagen images for instant publishing
AI Powered LinkedIn Post Generator with Automated Image Creation Overview Transform any topic into professional Linke...
WhatsApp RAG chatbot with Supabase, Gemini 2.5 Flash, and OpenAI embeddings
WhatsApp RAG Chatbot with Supabase, Gemini 2.5 Flash, and OpenAI Embeddings This n8n template demonstrates how to bui...
WhatsApp-to-social-media content generation with GPT-4 & approval workflow
Send one WhatsApp message → Get AI optimized content across 7+ social platforms. Who It's For Solopreneur managing mu...
Auto-comment on Instagram posts with GPT-4o, Phantombuster, and SharePoint
Who’s it for Social media teams and influencers who want to grow engagement by automatically posting short, relevant...
Generate tailored interview questions with GPT-4 based on CV, JD, and round
Smart Interview Assistant: Tailored Questions Based on CV, JD, and Round Watch the demo video below: [
Auto-follow Instagram profiles via Phantombuster and SharePoint
Who’s it for Community managers, growth hackers, and brands that want to grow their Instagram audience by automatical...
Scheduled Instagram auto-liker with Phantombuster, GPT-4o & cookie rotation
Who’s it for Social media managers and brands that want to keep their Instagram accounts active by automatically liki...
Automatic LinkedIn engagement with AI comments using GPT-4o and Phantombuster
Who’s it for B2B marketers, recruiters, and personal brand builders who want to spark conversations on LinkedIn by au...
Auto-like LinkedIn posts with GPT-4o, Phantombuster and SharePoint
Who’s it for Recruiters, B2B marketers, and thought leadership builders who want to boost their LinkedIn engagement b...
Auto-like Twitter posts with AI hashtags, cookie rotation & SharePoint
Who’s it for Growth hackers, social media managers, and brand builders who want to keep their Twitter (X) accounts ac...
Automated Twitter following with hashtag targeting, Phantombuster, and GPT-4o
Who’s it for Growth marketers, community managers, and personal brand builders who want to steadily grow their Twitte...
Reddit lead finder: Automated prospecting with GPT-4, Supabase and Gmail alerts
This workflow monitors targeted subreddits for potential sales leads using Reddit’s API, AI content analysis, Supabas...
Scrape and analyze websites with custom prompts using Gemini, Apify, and LangChain
AI Powered Website Prompt Executor (Apify + OpenRouter) This workflow combines the power of Apify and OpenRouter to s...
Beginner data analysis: merge, filter & summarize in Google Sheets with GPT-4o
This beginner friendly n8n workflow teaches essential data manipulation techniques using Google Sheets and AI. You'll...
Generate AI meeting briefs for Google Calendar with GPT-4 & MadKudu MCP
Prepare external meetings in Google Calendar with AI summaries powered by MadKudu Intelligence Automatically prepare...
Generate tailored resumes, cover letters & interview prep from LinkedIn jobs with AI
How It Works This n8n workflow leverages an agentic AI solution, where multiple AI agents collaborate to process and...
Generate BigQuery SQL from natural language queries using GPT-4o chat
Give business users a chat box; get back valid BigQuery SQL and live query results. The workflow: 1. Captures a plain...