I'm Chen — build AI products.
I work across the full product loop as an AI Product Manager and Builder.
Featured productsall products ->
2-week research cycle · Enterprise-deployable agent · Enterprise cost-saving
Integrated into client platform · Used by paying users · Multi-modal Model
Tutorialsall tutorials ->
How I Turned Years of Professional Notes into a Second Brain with LLM Wiki
How I used Obsidian and Karpathy's LLM Wiki concept to turn years of accumulated professional notes into a queryable second brain for content generation.
Build a User Research Agent on Hermes Agent: From Real Workflow to Enterprise Deployment
From a real research cycle to an enterprise agent — 7 skills, private cloud deployment, any PM can run it independently.
Articlesall articles ->
“The PM's job is no longer writing PRDs — it's building demos, running through the API, and making architecture decisions directly. A working demo already contains most of the answers.”
“Knowing how to call an LLM is not enough. You need to know when to use a workflow, when to use an agent, and when neither is right. Architecture decisions made early have real consequences later.”
“Lovart didn't win on model quality. It won by understanding user tasks and building agents in a niche market around that.”
Latest postsall posts ->
