This evening I had the privilege of attending the n8n Builder Session here in Amsterdam and what an evening it was. Full house, massive high energy, and a room full of automation enthusiasts ready to learn and connect. Huge thanks to Aemal Sayer for leading an incredibly handson session covering: # MCP (Model Context Protocol) # JSON fundamentals # Webhook data tables # Postman integration # Live building — learning by doing Great highlight was as well for me. Having a conversation with Jan Oberhauser, founder and CEO of n8n, about how I'm using the platform to empower students in Uganda. Sharing how open source automation tools can create real opportunities in emerging markets that's what this community is all about. Events like these remind me why I love this space. It's not just about workflows and nodes. It's about connecting with like minded people who share the same vision: building a better world, one automation at a time. Already looking forward to the next one.

Today I stayed in n8n again. As I mentioned earlier, I need to understand the basics here before I switch to Claude Code with a full RAG setup. So my goal for today was simple.I wanted to load a PDF from Google Drive into a vector database in Supabase. I created a new project in Supabase. From what I can see, you can have two active projects before the paid version starts, which is perfect for experimenting. I added the API key and URL to the Supabase node in n8n. Next I needed a table. So I followed the docs under “quickstart for setting up your vector store,” copied the SQL snippet and pasted it into the SQL editor. Unfortunately I got an error. I copied the code and the error message into Google Gemini, added a short description of what I wanted to do and it immediately generated a corrected version. I ran it again and the table was created. Really impressive. After that I added the data loader in n8n for chunking the document. I kept the default settings for now. Chunk size 1000 and overlap 200. For embeddings I connected the OpenAI embeddings model. Apart from a small code issue, which Gemini also helped me fix very quickly, everything worked. Then I ran the full flow. And it was amazing to see how the document was split into 77 items and then stored in the vector database. One by one in the table. A really successful day. The data is now in the vector store and I can honestly say that I learned something valuable again today.

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Tomorrow 10 December N8N building session in Amsterdam who is going ? https://luma.com/81wyd2vh?tk=mua44g Iam going and I was wondering who else is joining as well . Let me know it is nice to connect with like minded people

Today I worked on integrating Supabase as an MCP inside Claude Code. Throughout November, I’ve spent at least one hour every day diving into Claude Code and exploring all the possibilities. But honestly? I still have no idea how to actually get a RAG with Claude Code and Supabase to work. I watched a video about it, but it didn’t really click for me. I can set up the MCP connection but what happens after that? How do I get from there to a proper RAG setup? Today I’m just missing the imagination for how everything connects. And every time I’m surprised by how fast one hour flies by. I fully agree with Mark: long-term, Claude Code is absolutely the right direction. And I will definitely go that way. But I need much more understanding first. A lot more, to be honest. So for today, I’ve decided to continue down the n8n path. I’m going to gather all the RAG automations I can find across different communities and try to rebuild them step by step. I hope that in a few days I’ll have enough understanding to take the Claude Code + Supabase MCP route with confidence. What do you think?Any good suggestions? Or maybe you’ve already built a cool RAG setup with Claude Code that you’d like to share here? Also: Do you have any interesting YouTube material I should study?