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Notes on AI, agents, web technologies, and building with LLMs

Technical articles on AI integration, agents, agent harnesses, MCP, web technologies, and emerging tools. Working notes from a Google Developer Expert with 25+ years of building and teaching.

224 articles · Page 1 of 23

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  1. The Agent-as-Tool Pattern

    When reflection needs more than a fixed iteration count, let an LLM orchestrate. A Star Wars crew architect built with Google ADK that scouts, validates, and re-scouts until the crew holds up.

    AI Agentic AI Gemini ADK

  2. The Coordinator Agent Pattern

    When the shape of the request decides the shape of the work, let an LLM dispatch. An agent coordinator built with Google ADK that routes requests to sequential, parallel, and single sub-agent teams on the fly.

    AI Agentic AI Gemini ADK

  3. Harness - A Local Managed Agent in Four Planes

    Anthropic decoupled their agent into brain, hands, and session. I built a local TypeScript version in roughly 2,400 lines to see what the architecture actually feels like when you type it out.

    AI Agentic AI Gemini

  4. The Loop Agent Pattern

    When one pass is not enough, let agents iterate. A playlist curator built with Google ADK that generates songs, verifies them against MusicBrainz, and refines until every track checks out.

    AI Agentic AI Gemini

  5. The Sequential Agent Pattern

    Chaining multiple specialised agents into a pipeline where each one builds on the last. Illustrated with a TypeScript CLI that fetches a quote, researches its author, and writes an inspiration card.

    AI Agentic AI Gemini ADK

  6. The Parallel Agent Pattern

    When agents do not depend on each other, run them at the same time. Illustrated with a TypeScript translation pipeline built with Google ADK that translates a phrase into three languages simultaneously, then aggregates the results with Gemini.

    AI Agentic AI Gemini ADK

  7. The Single Agent Pattern

    A look at the simplest agentic AI pattern: one model, one tool, zero orchestration. Illustrated with a tiny TypeScript agent built with the Google Agent Development Kit (ADK) that uses Gemini and Google Maps to review any place by name.

    AI Agentic AI Gemini ADK

  8. Watch the Past Move: Animating Historic Photos with Gemini and Veo

    What if you could take a dusty old black-and-white photograph and watch it come to life? In this post, I walk through a Node.js pipeline that colorises historic photos with Gemini and then animates them into video using Veo 3.1.

    AI Gemini Veo

  9. Building a Historical Time Machine with Gemini and Google Maps

    Have you ever wondered what your favourite landmark looked like a hundred years ago? In this post, I walk you through a Node.js application that generates historically accurate photographs of any real-world location at any point in time, and even checks its own work for anachronisms.

    AI Gemini

  10. Why How You Split Your Documents Matters More Than You Think

    Before you reach for a more powerful embedding model or a larger context window, look at what you're actually feeding into a RAG pipeline. Sometimes the highest-leverage improvement isn't a better model but rather it's a better split.

    AI RAG