// building in public
Building in public.
One problem at a time.
I'm Richard, a cybersecurity and SaaS product manager tinkering on personal projects with AI. This is where I share what works, what breaks, and what I'd tell someone starting from zero.
Richard Muffler
PM · security · AI builder
currently building
probl.me, this blog, in public.
+ Celly, a sister product.
+ Celly, a sister product.
// what I write about · click a topic
// latest
Fresh from the workbench
tech-tools
Why I SHA-Pin Every GitHub Action (and Automate Updates)
I lock every GitHub Action to its commit SHA instead of a mutable tag, then let Dependabot keep the pins current. Here's why a tag alone isn't enough.
ai-development
How Context Limits Changed the Way I Build with AI
I was getting inconsistent answers and the AI kept forgetting what we'd built. Here's how I stopped fighting context limits and started designing around them.