fastpaca What happens when LLMs hit production?
I write about memory systems, context management, agents, evals, and the parts of AI infrastructure that break when real users show up.
I'm Seb. I've spent years around trust & safety, platform work, and AI tooling; fastpaca is where I write down what keeps being useful.
Writing
All posts →The Hamster Wheel That Drains You
Validation can quietly replace motivation, until you mistake the version of yourself people expect for the version you want to be.
Building on a Moving Train
AI infrastructure feels brittle because every primitive beneath it moves. Here's what I learned building and killing infrastructure in a field that reinvents itself every quarter.
Let's Build an AI Assistant That Remembers
A practical walkthrough of building an assistant with persistent memory using Cria.
Ultimate Guide to LLM Memory
How do you add memory to your agent or LLM? What works and what does not? How do you use multiple memory systems at once to cover each others weaknesses?