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8 articles on Application & Architecture , AI Systems & hands-on demos
AI Architecture Pattern 05: Tool Calling
[!NOTE] This is Video 1 of 2 — the full design walkthrough and real AWS build. Video 2 (hands-on live demo) is coming soon.
Mike opens the assistant that’s …
Read more →AI Architecture Pattern 04: Evaluator Optimizer
The answer was valid. It was also wrong.
Pattern 03 gave us schema enforcement — every response field is correctly typed, enum values are constrained during …
Read more →AI Architecture Pattern 03: Structured Output And Validation
Dispute
DSP-2026-0042comes in. The assistant classifies it and returnsstatus: "under review"— a space, not an underscore. Pattern 02’s contract …
Read more →AI Architecture Pattern 02: Prompt And Context Contract
Pattern 01’s assistant works. It looks up the real transaction record, grounds its answer in it, and stops hallucinating pending-payment explanations. Then a …
Read more →AI Architecture Pattern 01: Grounded RAG For Payment Support
Mike opens a payment-support assistant and asks a simple question: “Why is my payment pending?”
Ask a raw language model that question and it will answer …
Read more →AI Architecture Patterns: Series Overview
Most AI demos teach you a trick. This series teaches you the decisions.
You’ve seen the tutorials: hook up an API key, paste a prompt, get a chatbot. They’re not wrong, …
Read more →Local AI Chat App — Week 2[Prompt Guardrails + Safety On Our Simple App]
Prompt Guardrails + Safety On Our Simple App
Week 2 is about making the chat app safe, not just smart | https://cloudtoailearn.dev I added prompt guardrails to the Week 1 demo so …
Read more →I Built a Local AI Chat App — Here's the Architecture (Week 1)
Week 1 of my AI Demo Series · cloudtoailearn.dev 🔗 GitHub repo: https://github.com/narenmak17/week01-simple-chat
Every AI tutorial starts with “call the OpenAI API”. …
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