Notes on building agentic AI systems that hold up in production, by Noel Moreno Lemus.https://nmlemus.github.io/enhttps://nmlemus.github.io/blog/rag-end-to-end/https://nmlemus.github.io/blog/rag-end-to-end/What it is, how each piece works, how it is evaluated, a production example on Azure, and a comparison of Azure · Google Cloud · open sourceFri, 25 Sep 2026 00:00:00 GMTragretrievalevaluationhttps://nmlemus.github.io/blog/the-model-decides-what/https://nmlemus.github.io/blog/the-model-decides-what/If AI writes excellent code, why turn every deterministic step of an agent into a tool? Because “sometimes” compounds.Wed, 09 Sep 2026 00:00:00 GMTagentsreliabilityhttps://nmlemus.github.io/blog/coding-harness-tokens/https://nmlemus.github.io/blog/coding-harness-tokens/Same model, same tasks, three harnesses. What Claude Code, OpenCode and Pi consumed, and how much my own configuration skewed the comparison.Mon, 07 Sep 2026 00:00:00 GMTcoding-agentscosthttps://nmlemus.github.io/blog/safe-vibe-coding/https://nmlemus.github.io/blog/safe-vibe-coding/Real failures from Replit and Gemini CLI, what research says about how autonomous agents fail, and the non-negotiable practices for AI-assisted development.Mon, 08 Dec 2025 00:00:00 GMTvibe-codingsafety