![A simplified trace of one WhatsApp turn. A chat bubble reads “paid the piano lesson for [NAME_1]”, with the name replaced by a placeholder. Two chips read $0.036 and 7 calls. Below, a waterfall: one long bar for the turn, then alternating blue model calls and short orange tool calls.](/_astro/obs-article-cover.Bny3A09H_Z1Wb1gF.webp)
AI Engineering
Watching an Agent Work: Observability and Evals for Lukre
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AI Engineering
Building AI systems that work beyond the demo. Agents, retrieval, evaluation, and the engineering in between.
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