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Daniela Petruzalek

Daniela Petruzalek

Technologist, gamer and cat lover

Hello and welcome! I’m Daniela Petruzalek and this is my personal blog. I’m a technologist with experience in backend and data engineering, and I’m currently a Developer Relations Engineer at Google. In this blog I talk about technology, best practices, career and sometimes cats. You can check more about my profile in the About page.

Disclaimer: the views written on this blog are my own and do not necessarily represent the views of my employer.

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

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AI & Development Ai Python Tutorial Rag Gemini Adk

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.

Recent

Beyond the Dev-UI: How to Build an Interface for an ADK agent
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AI & Development Genai Tutorial Adk Gemini Python Fastapi Frontend Agent
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.
Celebrating Six Months at Google!
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Career & Personal Google Milestone Community Devrel Mental-Health
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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AI & Development Adk Gemini Vertex-Ai Python Rag Tutorial
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!
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AI & Development Mcp Gemini Golang Keynote
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.
A Model for Perceived Time
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Career & Personal Psychology Time-Perception Mental-Models
An exploration into why time seems to speed up as we age, using a simple mathematical model to uncover a surprising truth about our perception of life.
Introducing Speedgrapher: An MCP Server for Vibe Writing
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Workflow & Best Practices Golang Gemini-Cli Mcp Ai Vibe-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 to Build an MCP Server with Gemini CLI and Go
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AI & Development Golang Gemini-Cli Mcp Ai Codelab Tutorial
A step-by-step guide on how I built GoDoctor, an AI-powered Go development assistant, using the Model Context Protocol (MCP) and the Gemini CLI.
Proactiveness considered harmful? A guide to customise the Gemini CLI to suit your coding style
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Workflow & Best Practices Gemini-Cli Vibe-Coding Tutorial
Learn how to customise the Gemini CLI to suit your coding style using GEMINI.md and custom system instructions.
A Modern Developer Workflow for the AI Enabled World
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Workflow & Best Practices Gemini-Cli Vibe-Coding Jules
A proposal for a modern developer workflow using AI tools and a simple prioritisation exercise.