๐ Founder & CEO @ Devv | ๐ค AI-native Builder
Building the next-gen coding agent. Formerly engineering @ TikTok.
I build tools to make developers more productive. Currently deep in the AI-native development paradigm shiftโexploring how LLMs change the way we write, read, and think about code.
- ๐ฆ andrej-karpathy-skills โ Skills from the legendary Andrej Karpathy
- โจ๏ธ roam-vim-mode โ Vim mode for Roam Research
- ๐ผ๏ธ roam-imager โ Image Gallery extension for Roam Research
- ๐จ image-gallery-plugin โ Image gallery plugin for Roam Research
Things I built in the past. Some might still be useful:
- ๐ gptlang โ A new programming language implemented by GPT-4
- ๐ programmer-soft-skills โ ็จๅบๅ็่ฝฏๆ่ฝ
- ๐ง readbuidl โ Read to build
- ๐ practical-python-programming-cn โ Python ๅฎ็จๆ็จไธญๆ็ฟป่ฏ
Languages
Tools & Platforms
- Building in AI โ Shipping features at Devv to make AI coding agents actually useful
- Exploring agents โ How autonomous systems change software development
- Reading โ Papers on LLM reasoning, agentic workflows, and system design
- Writing โ Sharing learnings on AI-native development (coming soon)
- ๐ฆ Twitter/X: @jiayuan_jy
- ๐ง Email: jiayuan@devv.ai
- ๐ Website: devv.ai
- Vim/Emacs hybrid user (don't @ me)
- Built multiple Roam Research plugins during the "tools for thought" wave
- Believe in shipping fast over perfect
- Coffee > Tea (fight me)
โก Ship fast. Learn faster.






