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Explore in-depth technical articles by Daniela Petruzalek covering AI agent architectures, Model Context Protocol (MCP), Go backend systems, and developer workflows.

2026

The Pragmatic Guide to Agent Skills

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Agentic Coding
Mastering the creation of custom Agent Skills is the ultimate developer productivity boost. Explore practical use cases across documentation, workflows, and agent traits.

Gemini for Go Developers: Building Agents in Go

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Agent Development
Learn how to build autonomous agents in Go using the Go GenAI SDK, Genkit, and ADK through a practical Retro Game Appraiser example.

Gemini for Go Developers: Coding with Gemini

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Agentic Coding
In Part 2 of Gemini for Go Developers, we explore Go’s agentic affinity, Antigravity surfaces, and how to configure a practical AI-native workflow in Go.

Generative AI and Art: Is It Really Just Slop?

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Perspectives
Every major technological shift faces moralizing resistance before becoming the new canon. An essay on gatekeeping, domain language, and human intent.

The Rise of the Subagents

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Agentic Coding
An exploration of the subagent paradigm in Antigravity, from its evolution and capabilities to practical applications. We also share a ‘swarm coding’ skill to help you orchestrate specialized subagents for complex engineering tasks.

The Hitchhiker's Guide to Antigravity 2.0

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Agentic Coding
A guide to the Google Antigravity 2.0 ecosystem announced at Google I/O 2026. We examine the standalone desktop application, the Go-based terminal CLI, and the programmatic Python SDK.

Build a Match 3 Arcade Game Using Gemini CLI

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Agentic Coding
Learn how to build a fully functional Match-3 game using agentic coding, the Gemini CLI, and Go. We explore plan mode and custom sub-agents.

How to Do Code Reviews in the Agentic Era

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Agentic Coding
A practical guide to modern code reviews. Learn where to invest your time and effort to consistently write quality software in the agentic world.

Building Agent Skills with skill-creator

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Agentic Coding
Learn how to use Gemini CLI’s built-in skill-creator to automatically generate, refine, and structure your own custom Agent Skills using practical examples.

Mastering Agent Skills in Gemini CLI

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Agentic Coding
Unlock on-demand expertise for your AI agent. Learn how to use Agent Skills in Gemini CLI to build modular, scalable, and autonomous workflows.

Improving Coding Agents with Help from Science

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Agentic Coding
Taming AI agents requires science, not just vibes. Discover how A/B testing and statistical rigor turn coding agents into a measurable engineering discipline.

2025

How to Build an Offline Agent with ADK, Ollama and SQLite

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Agent Development
Learn how to make your AI agent completely offline. We walk through swapping the cloud model for a local Qwen 2.5 via Ollama, and building a local RAG knowledge base using SQLite and sqlite-rag to query Osquery schemas and packs.

Beyond Dev-UI: Building a Custom Interface for ADK Agents

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Agent Development
Elevate your Google ADK agent with a custom, retro-style interface. This step-by-step guide shows you how to replace the standard Dev-UI using FastAPI and vanilla JavaScript, adding personality with a real-time streaming, AI-generated avatar.

Reflecting on Six Months at Google: DevRel, AI, and Milestones

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Perspectives
Celebrating my first six months at Google! Reflecting on a whirlwind of 15 events across 5 countries, diving deep into the AI ecosystem, and achieving a major personal health milestone along the way.

How to Create a Diagnostic Agent with Agent Development Kit

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Agent Development
This article is a guide to creating a diagnostic agent with the Agent Development Kit (ADK). It covers the development process and explains how to use Vertex AI RAG to improve the agent’s response quality.

Hello, MCP World: Model Context Protocol Architecture with Go

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Agent Development
Based on my keynote at Gophercon UK 2025, this article is an introduction to the Model Context Protocol (MCP), exploring its core concepts, architecture, and the building blocks — Tools, Prompts, and Resources — used to create AI-enabled applications with Go.

Introducing Speedgrapher: An MCP Server for Vibe Writing

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Agentic Coding
The story of Speedgrapher, a custom MCP server for ‘vibe writing.’ It details the journey of turning a personal collection of prompts into a portable, AI-powered toolkit to automate and structure the creative process.

How I Used Jules to Add a Featured Post to This Blog

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Agentic Coding
A detailed account of my iterative process working with Jules, an AI coding assistant, to implement a new featured post section on my blog’s homepage.

We need to talk about Jules!

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Agentic Coding
The new autonomous coding agent that every developer needs to know.