👋 Hi, I'm Yuki Matsukura

🚀 Creating new services to make the world better | 📍 Tokyo, Japan

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🎯 About Me

CTO at Minedia, Inc. | 20+ Years in Software Engineering | Tokyo, Japan 🇯🇵

Building APIs and services that developers love to use. Active open source contributor since 2009 with 173 repositories and 177 gists.

🌐 Want to know more?

👉 Visit my portfolio for detailed projects, experience, and technical writing.

🛠️ Tech Stack

🚀 Featured Projects

🏢 API Services for Japanese Data

📮 Postcode • 🏦 Bank Code • 🏢 Corporation • 🚄 Train & Station • 🏫 School

🤖 AI-Powered Tools

🛡️ AI Moderator • 🏊‍♂️ Triathlon AI Analyzer • 📊 Time Tracker

🔧 Developer Tools

🏔️ SOTA Peak Finder • 🏃 Marathon Pace Calculator • 📻 Offline QTH • 📅 Calendar Converter

🆕 Recently Released OSS

• 🎙️ voice-memo-stt — Go CLI (vmt) to transcribe macOS Voice Memos via pluggable STT engines (ElevenLabs Scribe, CLI/TUI/Alfred Workflow)
• 📊 claude-code-max-usage — Shell tool to track Claude Code Max plan usage
• 📡 graphs1090 — Graphs for readsb / dump1090-fa / dump1090 ADS-B receivers

➡️ See all projects on my portfolio

⭐ Popular Open Source

• 😀 emoji-sprite ⭐ 29 - CSS sprite and icons
• 🏆 redis-ranking ⭐ 21 - Redis ranking wrapper
• 🐚 matsu-shell-setting ⭐ 11 - Shell dotfiles
• 💳 spike-ruby ⭐ 9 - SPIKE payment API client

📊 GitHub Analytics

173 Repositories • 177 Gists • 80 Followers • Active Since 2009

🔥 Streak Stats

📊 Contribution & Activity Stats

📉 Contribution Graph

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🌐 Connect With Me

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📚 Want to Learn More?

Detailed projects • Technical writing • Work experience • Contact info

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"Code is poetry, APIs are art, and every bug is a learning opportunity" 🚀