Welcome to Kei’s personal corner of the internet. I’m an engineer based in the Tokai region of Japan, running this site on a home server since 2003.
This English section covers my blog — tech projects, festival reports, cycling trips, and life in Japan. The rest of the site (server tools, help pages, user area) is in Japanese only.
Blog Posts
All English posts are listed below. New posts are added as drafts are reviewed and published.
2026-06-20 After Moving Claude Code to Slack, Here Are the Features I Kept Adding
After switching from LINE to Slack to run Claude Code, I added model switching, token saving, mobile progress notifications, and image attachments — turning a "barely works" setup into a tool I use every day.
2026-06-14 I Witnessed the Final SHISHAMO at Todoroki
Hi, I'm Kei. On Saturday, June 13, 2026, I was there at Todoroki Athletics Stadium for Day 1 of SHISHAMO THE FINAL!!! THANKS DAY — the last concert of a band that defined 13 years.
2026-06-14 LINE Bot Free Tier Is 200 Messages a Month — I Hit the Cap in a Day and Switched to Slack
I built a LINE Bot connected to Claude Code — and burned through the free Push Message limit (200/month) in a single day of testing. Here is how server logs saved the debugging session, and why I switched to Slack.
2026-06-13 Driving Claude Code from LINE — Carrying My AI Workspace in My Pocket
The idea started with a simple…
2026-06-10 23 Years of Running a Home Server — Why I Still Offer Free Web Space
Why run a website on a home server for 23 years — and still offer free web space and email to anyone who asks? Rereading my old terms of use made me put the philosophy into words.
2026-06-04 Auditing My YAMAHA Router Config with Claude Code — RTX830 Real-World Example
I handed my RTX830 router config to Claude Code for a full audit. It found issues I'd missed in years of hand-tuned setup — here's what came up and how I fixed it.
2026-05-30 Living Every Day with Claude Code — Life After Migration
I’ve written before about migrating my home server entirely to WordPress. That post focused on the migration work itself, but development hasn’t stopped since.
2026-05-30 I Attended All 5 Days of COUNTDOWN JAPAN 25/26
All five days of COUNTDOWN JAPAN 25/26 at Makuhari Messe: a six-day road trip from Aichi, and the story of a band I first met through a station billboard three years ago.
2026-05-28 Japan Jam 2026 Day 2 Report — Back at the Festival After 15 Years
On May 3 during Golden Week, I attended Day 2 of Japan Jam 2026. The last time I went to Japan Jam was in 2011 — fifteen years had passed without my noticing.
2026-05-26 Reviving 20 Years of Blog Posts with AI — From Movable Type to WordPress
This post is about migrating old blog articles — entries that had been sitting untouched for a long time — into WordPress.
2026-05-24 Didn't Know This Course Existed in Tokai — A Kiso River Cycling Trip
Last weekend, I went cycling with my mother around 138 Tower Park in Aichi Prefecture. About 25 km over three hours.
2026-05-24 Custom WordPress Theme Design Improvements — The Full Trial-and-Error Process
In an earlier post I mentioned I’d write about the custom theme design improvement process. This is that post.
2026-05-23 Migrating My Home Server to WordPress — The Complete Record, Done with Claude Code
This post covers the full story of migrating my home server’s long-running static HTML site to WordPress.
2017-07-01 My Server Has Been Renewed
After 10 years, my home server got its fourth-generation rebuild — from a single-core Sempron to a Pentium G6500, 16GB of RAM, and full gigabit networking.
2014-06-06 Applied for mineo.
I finally applied for mineo, an MVNO on au's network. The plan: go back to a feature phone and cut my smartphone bill — now I just wait for the screening to finish.
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