Turn a YouTube channel into a second brain with Neo4j GraphRAG and GPT-4o-mini
Knowledge & search workflow for n8n with 19 active steps. Starts with Chat Trigger, n8n Form Trigger. Uses OpenRouter. Integrations include OpenRouter.
What it does
19 active nodes · Starts with Chat Trigger, n8n Form Trigger.
Steps in the template include:
- 4.1 mini (OpenRouter Chat Model)
- Catégorie définition Agent (AI Agent)
- 4o mini (OpenRouter Chat Model)
- sonnet 3.5 (OpenRouter Chat Model)
Nodes and integrations
- OpenRouter Chat Model ×5
- AI Agent ×2
- If
- Chat Trigger
- Simple Memory
- Chat
- http Request Tool
- Structured Output Parser
- HTTP Request
- n8n Form Trigger
- apify ×2
- n8n Form
- Loop Over Items (Split in Batches)
See the author’s step names
- 4.1 mini (OpenRouter Chat Model)
- Catégorie définition Agent (AI Agent)
- 4o mini (OpenRouter Chat Model)
- sonnet 3.5 (OpenRouter Chat Model)
- If (If)
- AI Agent (AI Agent)
- When chat message received (Chat Trigger)
- 4o (OpenRouter Chat Model)
- sonnet 4.5 (OpenRouter Chat Model)
- Simple Memory (Simple Memory)
- Respond to Chat (Chat)
- neo4j_query (http Request Tool)
- Parseur (Structured Output Parser)
- Vers Neo4j (HTTP Request)
- Wich creator ? How many videos ? (n8n Form Trigger)
- Get channel videos URLs (apify)
- Scraping of each URLs (apify)
- Results (n8n Form) — completion
- loop each video (Loop Over Items (Split in Batches))
Accounts and credentials
- OpenRouter access
Credential types in the graph: openRouterApi, httpHeaderAuth, apifyApi
Check the HTTP request steps for any additional service accounts or API keys.
AI models and swaps
OpenRouter · Chat
Model ID not specified in the template in 4.1 mini. Potentially swappable with a compatible n8n chat model node. Test the replacement with the next step.
OpenRouter · Chat
openai/gpt-4o-mini in 4o mini. Potentially swappable with a compatible n8n chat model node. Match structured output before testing.
OpenRouter · Chat
anthropic/claude-3.5-sonnet in sonnet 3.5. Potentially swappable with a compatible n8n chat model node. Match structured output before testing.
OpenRouter · Chat
openai/chatgpt-4o-latest in 4o. Potentially swappable with a compatible n8n chat model node. Match tool calling before testing.
OpenRouter · Chat
anthropic/claude-sonnet-4.5 in sonnet 4.5. Potentially swappable with a compatible n8n chat model node. Match tool calling before testing.
Inputs and setup options
- Form field: URL (required)
- Form field: Nombre de vidéos à récupérer ? (required)
- 4o mini: temperature 0.1
- 4o: temperature 0.1
Resource information
- Credit basis
- Author listed by n8n
- Pricing
- Template access shown on n8n
- License
- Not specified
- Last record update
- Nov 5, 2026