Advanced AI-powered YouTube SEO optimization & auto-update
Needs changesNeeds changes. This template uses 1 thing(s) that n8n 3.0 removes: AI Agent v1 (old agent modes). 1 breaking item(s) found. Static check, last run 2026-10-19.
What this workflow does
This AI workflow has 11 nodes and runs when someone submits an n8n form. Along the way it connects DeepSeek Chat Model and YouTube.
How it runs
Trigger: When someone submits an n8n form.
- Code: runs custom JavaScript code
- YouTube: uses YouTube
- AI Agent: runs an AI agent, with model: DeepSeek Chat Model; memory: Simple Memory; output parser: Structured Output Parser
- Form: Confirmation Page (n8n Form): shows the next form page
- If: checks a condition and branches into true / false
- YouTube: uses YouTube
- Form: Completion Page (n8n Form): shows the next form page
Services it uses
Before you upgrade to n8n 3.0
1 thing in this workflow is removed in n8n 3.0. Fix it before you upgrade:
- AI Agent v1 (old agent modes) in AI Agent - Youtube SEO Generator (v1.7): replace with Latest AI Agent node (Tools Agent). For SQL Agent, use a Postgres or MySQL tool with a recent AI Agent.
| Removed in 3.0 | Replace with |
|---|---|
| AI Agent v1 (old agent modes) AI Agent - Youtube SEO Generator (v1.7) | Latest AI Agent node (Tools Agent). For SQL Agent, use a Postgres or MySQL tool with a recent AI Agent. |
Nodes used (9)
- Simple Memory
@n8n/n8n-nodes-langchain.memoryBufferWindow - DeepSeek Chat Model
@n8n/n8n-nodes-langchain.lmChatDeepSeek - n8n Form Trigger
n8n-nodes-base.formTrigger - Code
n8n-nodes-base.code - YouTube
n8n-nodes-base.youTube - AI Agent
@n8n/n8n-nodes-langchain.agent - n8n Form
n8n-nodes-base.form - If
n8n-nodes-base.if - Structured Output Parser
@n8n/n8n-nodes-langchain.outputParserStructured
From the author
Optimize Existing YouTube Video Metadata using AI and YouTube API This n8n workflow automatically enhances the Search Engine Optimization (SEO) of your existing YouTube videos. Provide a video link, and the workflow fetches its current data, uses advanced SEO…