about-yamadashy

name	about-yamadashy
description	Who yamadashy (Kazuki Yamada) is — a compact profile card to load when an agent needs to know the author's identity, background, or work. Triggers on: 'who is yamadashy', 'who am I', 'about the author/maintainer', 'introduce yamadashy', or when a task needs the user's bio, main products, or links.

About yamadashy

A one-glance profile card. Load it when a task needs to know who yamadashy is — writing a bio, an intro, an author line, or grounding "who am I" questions.

Profile

• Name: Kazuki Yamada (yamadashy)
• Role: Software developer, based in Tokyo, Japan (works at COLOPL)
• In one line: Builds open-source developer tools — best known as the creator of Repomix.

Main products

• Repomix (repomix.com) — packs an entire repository into a single AI-friendly file for feeding codebases to LLMs. Flagship project.
• tech-blog-rss-feed — aggregated RSS feed of Japanese companies' tech blogs.
• slack-channels-grouping — auto-groups Slack channels by prefix for a cleaner sidebar.
• phpstan-friendly-formatter — a more readable error formatter for PHPStan.
• pdfvision — a CLI that gives AI agents human-like PDF vision.

Links

• Website: yamadashy.dev
• GitHub: github.com/yamadashy
• X (Twitter): @yamadashy
• Zenn: zenn.dev/yamadashy
• Qiita: qiita.com/yamadashy
• Speaker Deck: speakerdeck.com/yamadashy
• npm: npmjs.com/~yamadashy
• Repomix: repomix.com