Hi, I’m Yuta Kobayashi.
I was born in 2008 and currently live in Japan. I have been interested in the intersection of technology and society since a young age. My interests include accessibility, privacy, public systems, and more. To share my journey and insights, I maintain a monthly blog where I reflect on my experiences and learnings. You can explore these posts at /blog, and find my favorite links and resources at /favorite. Additionally, I share my personal digital garden at notes.yutakobayashi.com, where I document my thoughts, learnings, and explorations in a more interconnected way.
I started coding when I was 7 years old and have mainly worked on blogs, web projects, and machine learning projects.Recently, in my personal projects, I’ve been focusing on hardware and have been creating IoT machines using M5 Stack and Arduino.
Work Experience
I started working as a freelancer when I was 14 years old, mainly focusing on web development and design.
Prompie (2025)
Prompie is a project I worked on during my internship at Hazumi Inc. It’s a collection of generative AI tools that users can leverage just by answering straightforward questions, making AI technology more approachable and user-friendly.
Key features include:
- Simple question-based interface for AI interactions
- Collection of powerful generative AI tools
- User-friendly approach to complex AI technologies
hanabi.rest (2024)
hanabi.rest is an AI-based API building platform that enables developers to create REST APIs from natural language and screenshots. Built with modern web standards and optimized for Cloudflare Workers, it generates production-ready APIs that can be deployed globally with just a few clicks.
The project was presented at the Hono Conference 2024 and was selected for the Cloudflare Workers Launchpad program, recognizing its innovative approach to API development.
Key features include:
- Natural language and screenshot-based API generation
- Live sandbox environment for testing and development
- Cloudflare Workers deployment with global edge network
- CLI tools for local development and deployment
- Integration with v0.dev for UI-based API design
The platform aims to simplify API development by leveraging AI to convert natural language descriptions and UI designs into production-ready REST APIs on Cloudflare Workers.
CapitaLens (2023)
CapitaLens is a project that aims to make Japanese parliamentary information more accessible and understandable. Selected for the MITOU Program (未踏ジュニア) in 2023, this project leverages AI and web technologies to analyze and process parliamentary proceedings.
Key features include:
- Automated transcription of parliamentary proceedings using OpenAI’s models
- Face recognition for speaker identification
- Voice recognition for speech analysis
- Web scraping and data integration from official sources
- AI-powered summarization and explanation of complex political discussions
- Integration of various data sources for comprehensive parliamentary information
The project demonstrates the potential of AI in making government information more accessible and transparent, helping citizens better understand the political process.
Personal Projects
An AI-powered block programming assistant that allows you to ask questions about existing blocks, make modifications, and create new blocks. You can now check out its more advanced successor, TutoriaLLM.
Education
During the 2024 study tour, we were based in Taipei and Hsinchu, and we visited Ming Chuan University, the TSMC Innovation Museum, Minghsin University of Science and Technology, Yuanpei University of Medical Technology, among others, and learned about semiconductor technology.

Ming Hsin University of Science and Technology in Hsinchu, Taiwan
Travel
I’ve had the opportunity to explore several fascinating places around the world, including 🇯🇵 Japan (my hometown, Kanagawa), 🇨🇳 China (Shenzhen), and 🇹🇼 Taiwan (Taipei and Hsinchu). Each destination has enriched my perspective on culture, technology, and innovation.

Tencent HQ in Shenzhen, China
Connect With Me
Feel free to reach out and connect with me through any of these channels:
- 💬 Discord Community - Join our community to chat and collaborate
- 📧 Email - For business inquiries
- 🐘 Mastodon - Follow my updates
- 🐦 Bluesky - Connect on Bluesky
- 💼 LinkedIn - Professional network
- 🔑 Keyoxide - Verify my identity
- 💎 Ethereum - 0xDB50D9D6BB07B8738c1c9473649a76C02E4280F1
- ⚡ nostr - npub1yuta4e2sgzqaq7y9jlecwjymvmef2rztfxex8duhapa5jmg6ym8qp5p2x4