Compress and rename images for websites and blogs in one go! Mac app "TinyPress" has been released.

Web Development 29min read

Claude Opus 4.7 Released! The Arrival of Effort xhigh and a Glimpse of the Power of Mythos

Anthropic has released Claude Opus 4.7. We summarize the key points of its evolution, from the introduction of the new effort level "xhigh", significant improvements in coding and vision performance, and enhanced instruction following, to mentions of the higher-tier model Mythos Preview.

2026-04-18

30min read

What do you do when you're working in Claude Code and feel like, "I want to take a quick look at or fix this file"?

Launching an IDE is heavy, and `cat` is hard to read without syntax highlighting. By using `bat` when you just want to view files and Neovim when editing is also an option, we will create an environment that runs smoothly alongside Claude Code.

2026-04-14

24min read

Let's grow CLAUDE.md with Anthropic's official claude-md-management plugin

Introducing the official claude-md-management plugin from Anthropic. We have summarized how to evolve CLAUDE.md—which often becomes outdated—using skills to grade the file and commands to incorporate learnings from your sessions.

2026-04-12

17min read

The Story of How Switching Claude Code from Homebrew to Native Installation Made Things More Comfortable

A guide to switching Claude Code from Homebrew to a native installation. Based on the experience of version mismatches when running brew upgrade across multiple Macs, this article covers how to migrate to the native version with automatic updates, how to carry over your settings, and how to configure release channels.

2026-04-03

Web Development 18min read

Let's Achieve "Working While You Sleep" with Claude Code's /schedule — A Thorough Explanation of the Differences with /loop

With the newly added /schedule command in Claude Code, you can automatically run tasks periodically in the cloud. We'll explain in detail how to have it handle PR reviews and documentation updates "while you sleep," including the differences from /loop.

2026-03-25

Web Development 36min read

Claude Sonnet 4.6 Released! Evolution from Sonnet 4.5 and the Power of "Best Cost-Performance" from an Engineer's Perspective

A review of Claude Sonnet 4.6, released on February 17, 2026, from an engineer's perspective. It delivers performance exceeding the previous generation's top-tier model, Opus 4.5, at the Sonnet price point. We explain how to differentiate its use from Opus 4.6 based on benchmark comparisons, the evolution of computer use, and product updates.

2026-02-19

Web Development 39min read

Postgres Best Practices for the AI Agent Era! Leverage "Agent Skills" Released by Supabase

By using "Agent Skills" released by Supabase, you can teach AI coding agents Postgres best practices. We introduce specific measures by priority, such as index design, RLS, and connection management.

2026-02-13

40min read

Claude Opus 4.6 Released! Key Improvements from Opus 4.5 from an Engineer's Perspective

Claude Opus 4.6 has been released. We explain the key evolutionary points for engineers—such as enhanced coding capabilities, a 1-million-token context window, Adaptive Thinking, and Agent Teams—including a comparison with Opus 4.5.

2026-02-06

Web Development 24min read

Let's Encrypt Launches General Availability of "IP Address Certificates" and "Short-lived (approx. 6 days/160 hours) Certificates"! What's Changing?

On January 15, 2026, Let's Encrypt will launch general availability for IP address certificates and short-term (160-hour / approx. 6+ days) certificates. We provide an easy-to-understand explanation of the mechanisms, use cases, and points to note.

2026-01-20

Web Development 13min read

Tower: The Ultimate Git Client I've Settled on After Over 10 Years of Use

If you've ever felt intimidated by Git operations, Tower is well worth a try. Its appeal lies in the peace of mind of being able to undo even commits and merges with ⌘+Z, and the ease of performing advanced operations without hesitation via drag-and-drop. Having cycled through various tools, I'll share the honest reasons why I finally settled on Tower.

2025-11-29

3min read

How to bulk unpublish Craft CMS entries via command

This guide explains how to bulk disable entries in a specific section using Craft CMS CLI commands.

2025-05-30