Product designer in Tokyo. Four years leading design at Enjin, now at MIRAI Creation. On the side, shipping MCP servers and agent-native tools published to npm.
YouTube transcript extractor for AI agents. MCP server and Chrome extension. No API keys, three output formats.
Japanese web UX conventions as callable tools. Forms, typography, keigo, seasonal context. Ten tools, ten prompts, nine resources.
Read-only search tools for Rakuten Ichiba, Books, and Travel. Built for personal use, published unofficial.
A bilingual astrology PWA. Swiss Ephemeris precision, oracle tone, four profile types.
Four years leading product design at Enjin as the sole designer across three verticals: Career, Forum, and Community. Ran user interviews, built a full component library, and designed end-to-end from information architecture to shipped UI.
Currently at Miraidukuri Company, a Tokyo cultural-tourism company, leading brand and web work.
On the side, shipping AI-native tooling. Five MCP servers published to npm with 2,000+ monthly downloads, growing. Two Chrome extensions. Four web apps. All designed and built with AI-assisted development.
Product design is not about aesthetics. It is about judgment. What to build, what to cut, what to leave alone.