yutkat

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## 👋 Hi! I'm yutkat

### Development Environment

| | |
|---:|:---|
| **Role** | Programmer |
| **Editor** | Neovim |
| **Shell** | zsh |
| **Terminal** | WezTerm |
| **OS** | NixOS, ArchLinux(Hyprland), Android |
| **PC** | Thinkpad, Lemur Pro, HHKB Hybrid , GameBall |

### Recent Activities

<a href="https://github.com/vn7n24fzkq/github-profile-summary-cards"><img alt="github stats" height="150px" src="http://github-profile-summary-cards.vercel.app/api/cards/stats?username=yutkat&theme=transparent" /></a>
 <a href="https://github.com/DenverCoder1/github-readme-streak-stats"><img alt="github stats" height="150px" src="https://streak-stats.demolab.com/?user=yutkat&theme=transparent&hide_border=true" /></a>

[![](http://github-profile-summary-cards.vercel.app/api/cards/profile-details?username=yutkat&theme=transparent)](https://github.com/vn7n24fzkq/github-profile-summary-cards)
[![](https://github-readme-activity-graph.vercel.app/graph?username=yutkat&theme=github-dark-dimmed&custom_title=Contribution%20Graph%20in%20the%20last%2031%20days&hide_border=true)](https://github.com/Ashutosh00710/github-readme-activity-graph)

### Languages

[![](http://github-profile-summary-cards.vercel.app/api/cards/repos-per-language?username=yutkat&theme=transparent)](https://github.com/vn7n24fzkq/github-profile-summary-cards)
[![](http://github-profile-summary-cards.vercel.app/api/cards/most-commit-language?username=yutkat&theme=transparent)](https://github.com/vn7n24fzkq/github-profile-summary-cards)
[![](https://github-readme-stats.vercel.app/api/top-langs/?username=yutkat&layout=compact&count_private=true&show_icons=true&theme=transparent&hide_border=true)](https://github.com/anuraghazra/github-readme-stats)

### OSS Insight

<!--
### Achievement

[![trophy](https://github-profile-trophy.vercel.app/?username=yutkat&no-frame=true&no-bg=true&theme=onedark)](https://github.com/ryo-ma/github-profile-trophy)
-->

### Metrics

<details>
 <summary>GitHub Metrics</summary>

[![Metrics](https://github.com/yutkat/yutkat/blob/main/images/github-metrics.svg)](https://github.com/lowlighter/metrics)

</details>

### Wakatime Analysis

<details>
 <summary>Other Statics</summary>

![Code Time](http://img.shields.io/badge/Code%20Time-1%2C665%20hrs-blue?style=flat)

![AI Code Time](http://img.shields.io/badge/AI%20Code%20Time-48%20hrs%2050%20mins-blue?style=flat)

![Lines of code](https://img.shields.io/badge/From%20Hello%20World%20I%27ve%20Written-1.41%20million%20lines%20of%20code-blue?style=flat)

**🐱 My GitHub Data**

> 📦 223.0 kB Used in GitHub's Storage 
 > 
> 🏆 1,561 Contributions in the Year 2026
 > 
> 🚫 Not Opted to Hire
 > 
> 📜 123 Public Repositories 
 > 
> 🔑 5 Private Repositories 
 > 
**I'm an Early 🐤**

```text
🌞 Morning                11542 commits       ███████░░░░░░░░░░░░░░░░░░   26.07 % 
🌆 Daytime                15289 commits       █████████░░░░░░░░░░░░░░░░   34.53 % 
🌃 Evening                11317 commits       ██████░░░░░░░░░░░░░░░░░░░   25.56 % 
🌙 Night                  6130 commits        ███░░░░░░░░░░░░░░░░░░░░░░   13.84 % 
```
📅 **I'm Most Productive on Tuesday**

```text
Monday                   7161 commits        ████░░░░░░░░░░░░░░░░░░░░░   16.17 % 
Tuesday                  7342 commits        ████░░░░░░░░░░░░░░░░░░░░░   16.58 % 
Wednesday                7137 commits        ████░░░░░░░░░░░░░░░░░░░░░   16.12 % 
Thursday                 7123 commits        ████░░░░░░░░░░░░░░░░░░░░░   16.09 % 
Friday                   6570 commits        ████░░░░░░░░░░░░░░░░░░░░░   14.84 % 
Saturday                 4212 commits        ██░░░░░░░░░░░░░░░░░░░░░░░   09.51 % 
Sunday                   4733 commits        ███░░░░░░░░░░░░░░░░░░░░░░   10.69 % 
```

📊 **This Week I Spent My Time On**

```text
🕑︎ Time Zone: Asia/Tokyo

💬 Programming Languages: 
Other                    30 hrs 13 mins      ██████████████████████░░░   88.37 % 
YAML                     1 hr 34 mins        █░░░░░░░░░░░░░░░░░░░░░░░░   04.60 % 
Bash                     41 mins             █░░░░░░░░░░░░░░░░░░░░░░░░   02.03 % 
TOML                     40 mins             ░░░░░░░░░░░░░░░░░░░░░░░░░   01.95 % 
Markdown                 38 mins             ░░░░░░░░░░░░░░░░░░░░░░░░░   01.86 %

🔥 Editors: 
Chrome                   31 hrs 54 mins      ███████████████████████░░   93.31 % 
Claude Code              1 hr 52 mins        █░░░░░░░░░░░░░░░░░░░░░░░░   05.50 % 
Neovim                   24 mins             ░░░░░░░░░░░░░░░░░░░░░░░░░   01.18 %

💻 Operating System: 
Linux                    34 hrs 11 mins      █████████████████████████   100.00 % 
```

🤖 **AI Coding This Week**

```text
⏱ AI Coding Time: 1 hr 59 mins (5.85%)

✍️ 913 lines written by AI, 52 lines written by hand (94.61% AI-written)

🔤 22,148,269 Input Tokens, 213,791 Output Tokens

💵 $200.11 Estimated AI Cost This Week

🧠 8 AI Sessions, 48 AI Prompts

Fable                    819 lines           ██████████████████████░░░   87.88 % 
Opus                     113 lines           ███░░░░░░░░░░░░░░░░░░░░░░   12.12 % 
Haiku                    0 lines             ░░░░░░░░░░░░░░░░░░░░░░░░░   00.00 %

🔎 AI Coding Insights:
🤖 AI-Driven — 94.61% of written lines came from AI
📄 Detailed Prompter — average 820 characters per prompt
🔁 Iterative Prompter — average 6 prompts per session
🚀 High AI Trust — 25.38% of changed lines were hand-edited
```

**I Mostly Code in Lua**

```text
Lua                      25 repos            ████████████░░░░░░░░░░░░░   48.08 % 
Shell                    10 repos            █████░░░░░░░░░░░░░░░░░░░░   19.23 % 
TypeScript               4 repos             ██░░░░░░░░░░░░░░░░░░░░░░░   07.69 % 
Nix                      1 repo              ░░░░░░░░░░░░░░░░░░░░░░░░░   01.92 % 
Python                   1 repo              ░░░░░░░░░░░░░░░░░░░░░░░░░   01.92 % 
```

**Timeline**

![Lines of Code chart](https://raw.githubusercontent.com/yutkat/yutkat/main/assets/bar_graph.png)

Last Updated on 10/08/2026 20:16:54 UTC

</details>

### GitHub Follower History

```mermaid
xychart-beta
 title "GitHub Followers History"
 x-axis ["23-06","23-08","23-10","23-12","24-03","24-05","24-07","24-10","24-12","25-03","25-06","25-09","25-12","26-03","26-06"]
 y-axis "Followers"
 line [342,356,376,389,404,437,460,497,521,547,568,599,628,648,660]
```

### This page status

[![Yuta Katayama profile views](https://u8views.com/api/v1/github/profiles/8683947/views/day-week-month-total-count.svg)](https://u8views.com/github/yutkat)

[![Metrics](https://github.com/yutkat/yutkat/actions/workflows/main.yml/badge.svg)](https://github.com/yutkat/yutkat/actions/workflows/main.yml)

yutkat

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