Hey! I'm Taishi!
Full Stack Engineer with 10+ years of experience specializing in TypeScript and React ecosystems, having led technical initiatives from Japan's highest-traffic web service to North American startups. Previously thrived as a solopreneur with successful projects like Penelope AI.
Now focused on building open-source dev tools and RAG infrastructure platforms for the developer community.
Passionate about building small, focused open-source dev tools. Creator of Supavec (870+ ⭐), a popular RAG tool in the Supabase ecosystem.
A collection of developer tools I've built and maintain:
| Project | Description | Stars |
|---|---|---|
| supavec | An open-source RAG platform | |
| chatsage | AI-powered chat interface | |
| previewcn | Real-time theme editor for shadcn/ui | |
| supadocs | A Next.js template for technical docs with AI chat, out of the box | |
| supabase-ai | AI integration utilities for Supabase | |
| supa-deep-research | Deep research tool built on Supabase |





