I gave myself a team of AI engineers that open their own PRs
Agents that pick up a ticket and open their own pull requests — several at once. The demo took an afternoon; wiring the credentials and permissions took the rest.
Rafal Muszynski
Personal notes on building products, design, and software engineering.
Latest posts
The distribution problem nobody talks about
The real distribution bottleneck isn’t strategy. It’s the founder who won’t press publish.
What founders see that employees don't
After selling a company and taking a regular job, the org looks different — and that lens never quite goes away.
How I built a RAG Slack bot (and what I learned making it useful)
Three failures that taught me RAG is mostly normal engineering — a silent retrieval bug, undersized chunks, and a self-contradicting prompt.
How I use Claude Code
A year of daily use. Config files, skills, hooks, and the workflow that actually stuck.
How I became an 'overnight artist' (thanks to AI)
I painted my first ever canvas with zero experience, guided step‑by‑step by AI.
Private beta for my second SaaS: BetterFeedback
Announcing a private beta, what I’m building, and how I help teams understand customer feedback faster.
Four years building a bootstrapped SaaS (and the acquisition)
A short reflection on building Harmonizely for four years, the transition to full-time, and what came next.
How I started my SaaS side project while working full-time
A candid look at building Harmonizely nights and weekends: validation, MVP, beta, and the first paying customer.