MCP (Model Context Protocol) for Beginners
From MCP fundamentals to implementation with Python
See the Invisible. Achieve the Impossible.
Welcome to the portfolio of Tomor, an AI engineer.
I publish Kindle books and build mobile apps.
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Kindle Books in English
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Kindle Books in Japanese
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Apps Published
10+
Years of Engineering
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Kindle Books
Hands-on guides for beginners — from fundamentals to implementation. Available on Amazon.
AI & LLM
RAG (Retrieval-Augmented Generation) for Beginners
From RAG fundamentals to implementation with Python
Computer Vision
YOLO Development for Beginners (v10/v11/v12)
From the basics of YOLO to building object-detection apps with Python
YOLO Object Tracking for Beginners (v10/v11/v12)
From the basics of YOLO to object tracking with Python
AI Creation
Vibe Coding for Beginners
Create apps from words using Bolt.new — no coding needed
Your YouTube Debut in Just 5 Minutes with AI
No face, no voice required — a practical beginner's guide
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Apps
Practical, easy-to-use apps published as indie developer "Ap Runner".
AI
World AI Reader: AI News & RSS
Measurement & Location
Cycle Speed: Bike Computer
Super Altimeter: Offline GPS
Where I am: GPS Coordinates
Super Simple Speedometer
Simple Ruler: Measure, Tape
Protractor Master: Angle App
Simple Compass: Offline Tool
Utilities
Simple Secret Folder
Deep Breath Plus: Custom/Graph
YouKeep: Downloader & Offline
Counter+ (Plus): Pro Counter
Quiz & Trivia
Space Trivia Quiz - Astronomy
Ranking Trivia Quiz - Offline
World Cup Trivia Quiz
More apps are in development. Follow me on X for release news. @tomor_eng
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About
I value grasping the essence. Once you understand the essence, everything around it falls into place — and so does the ability to apply it.
Don't just pile up surface-level knowledge; understand the essence and build real, applicable skill.
Career
- 10+ years at a major IT company (engineer / data scientist)
- Now an independent freelance engineer
Key Experience
- 10+ years developing large-scale, mission-critical infrastructure systems that must run 24/7, all year round
- 5+ years developing machine learning / AI models
- An app built as a personal project was adopted by my company and contributed to revenue in the hundreds of millions of yen
- Shaped corporate growth strategy by reading technology trends and customer needs
- Pitched new business proposals multiple times to client executives (presidents of organizations with thousands of employees)
Expertise
Client–server app development
AI
Virtual worlds
AWS
etc.
Certifications
All 12 AWS Certifications
Network Specialist (IPA)
Registered Information Security Specialist (IPA)
Applied Information Technology Engineer (IPA)
etc.