Vibe Coding Magic: Building a RAG System & Automating Journals with Claude Code

Saturday, June 21, 2025

Dive into a captivating video by Takuya Matsuyama where he crafts a Retrieval-Augmented Generation (RAG) system for Inkdrop notes and automates journaling with the AI power of Claude Code. Discover how to supercharge your note-taking and workflow with AI agents!

📰 The Vibe Coding Adventure Begins!

If you’ve ever dreamed of merging your daily notes with AI magic, buckle up. Takuya Matsuyama aka craftzdog takes us on a journey to build a Retrieval-Augmented Generation (RAG) system for his beloved Markdown note app Inkdrop — then takes it a step further by automating journaling through the mysterious and mighty Claude Code.

📽️ Why You Can’t Miss This:

  • Real-world AI application: See a RAG system in action, making your notes smarter.
  • Automate repetitive tasks: Claude Code takes on journal writing, freeing up your brain space.
  • Step-by-step: Walkthrough from project initialization to getting your AI agent into gear.

💡 What’s on the table?

  1. The RAG System Setup — because why not make your note app not just a tool, but an AI-powered assistant?
  2. Defining Project Specs with AI — watch how the project specs come to life, powered by Claude’s understanding.
  3. Agent Journaling Auto-magic — once your agent completes tasks, it journals itself.
  4. Plan Mode & More Options — experiment with new commands ensuring your workflow fits your style.
  5. Coding Review & OpenAI API Swap — comparing tools, tightening the code.
  6. Trial Runs & Success — watch as things click and the system starts working seamlessly.

🤖 Who’s this for?

  • Developers & AI enthusiasts striving to integrate AI into their productivity tools.
  • Knowledge workers & note-takers craving smarter automation.
  • Anyone curious about how cutting-edge AI like Claude can be put to work beyond chats.

🔥 Fun fact: This video got over 2,000 views in just 16 hours and is packed with hashtags like #Inkdrop, #PracticeEnglishInPublic, and #ClaudeCode.

🌟 Want even more AI goodness?

Check out these related videos:

💬 Quick Tips:

  • Don’t worry if you’re new to RAG systems! Takuya’s explanations are clear and fun.
  • Think about your own workflow: how can AI agents like this help you automate boring tasks?
  • Experiment with Claude Code to grasp how AI agents can extend your capabilities.

🎉 Final Thoughts:

Takuya’s vibe coding approach isn’t just coding — it’s collaboration with AI to work scalable, faster, and smarter. Watch, learn, and get inspired to build your own AI-boosted productivity tools!


Links to follow:

🙂 Grab your favorite beverage, hit play, and let the AI wizardry begin!


Ps. Don’t forget to subscribe and turn on notifications at Takuya’s Channel to catch more Vibe Coding sessions and AI adventures!

Source: YouTube