Applied AI · WorkOS

AI engineering for teams that actually ship.

I build retrieval pipelines, agent harnesses, and ship-ready developer tools at WorkOS. Fourteen years in production. Writing, workshops, and consulting for teams that got handed an LLM and a deadline.

The Modern Coding letter
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Portrait of Zachary Proser
Plate I · Applied AI · MMXXVI
14yrs
Shipping software
5,000+
Newsletter readers
184wpm
Voice-coding velocity
21yrs
Writing online
Featured project
Premium · $149Shipping

Build a chatbot that actually knows your shit.

End-to-end RAG with Pinecone, the Vercel AI SDK, and Next.js 15. No hallucinations. No magic. A production harness you can hand to your team and they'll still understand it in six months.

Runtime
Node 20
Vector DB
Pinecone
Eval
Ragas++
~/zackproser.com — index
zp@work ~ $ ls -lh ./content
drwx writing/ 218 essays "modern-coding"
drwx builds/ 37 projects "rag, tools, tuis"
drwx videos/ 24 screencasts "long-form"
drwx workshops/ 6 decks "cowork, claude"
zp@work ~ $ cat ./status.json
{ "current": "applied-ai @ workos", "open_to": ["workshops", "retainers"], "wpm": 184 }
zp@work ~ $