Field notes from shipping production agentic systems. Architecture, evaluation, cost, and the parts that don't fit a tweet.
Most teams asking “build versus buy” actually mean “rent versus buy.” Here is how we decide on every engagement.
Read →There is exactly one number that controls what is possible inside a free LLM stack. Internalize it before you write any code.
Read →A working condition we wrote down — every change ends in production behind a real URL, or it does not end at all.
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