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AI Automation & LangChain: Best YouTube Resources to Build Real AI Systems

Want to go beyond theory and actually build AI agents, automate workflows, and ship real LLM-powered applications? This sheet covers the best YouTube resources for AI Automation, LangChain, and n8n — from beginner-friendly full courses to deep technical playlists.

AI Automation

Simplilearn – AI Automation Full Course 2026 — A comprehensive full course covering the landscape of AI automation tools and techniques in 2026.

LangChain & AI Agents

Krish Naik – Generative AI using LangChain (Full Playlist) — End-to-end playlist on building GenAI applications using LangChain, covering chains, agents, memory, and retrieval.
Krish Naik – Complete LangChain Course in 3 Hours — A focused 3-hour crash course to get you productive with LangChain fast.
Krish Naik – All Playlists — Browse all of Krish Naik's playlists covering ML, DL, GenAI, LangChain, MLOps, and more.
Python Engineer (Patrick Loeber) – LangChain and AI Agents — Practical tutorials on LangChain, AI agents, and Python-based AI development.
LangChain Official YouTube Channel — Official walkthroughs, release demos, and tutorials straight from the LangChain team.

n8n – No-Code / Low-Code AI Automation

n8n Full Course – AI Automation Playlist — A complete playlist to learn n8n for building automated workflows and AI-powered pipelines.
n8n 6-Hour Course – Build and Sell AI Automations — A deep-dive 6-hour course on building practical AI automations with n8n that you can monetize.