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Daniela Petruzalek

Daniela Petruzalek

Technologist, gamer and cat lover

Welcome! I’m a Developer Relations Engineer at Google, where I focus on Go, Data, and the exciting world of AI Agents. This blog is my space to share what I’m learning, from best practices in backend engineering to experiments with “vibe coding.”

Disclaimer: The views expressed here are my own and do not necessarily represent those of my employer.

Mastering Agent Skills in Gemini CLI

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ai & development workflow & best practices gemini-cli agent-skills mcp vibe-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.

Next Events

Making of GoDoctor: an MCP server for Go development

FOSDEM 2026

Brussels, Belgium

Feb 1, 2026

A deep dive into the design and implementation of GoDoctor, a specialized Model Context Protocol …

Event Details →
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Recent Posts

Improving Coding Agents with Help from Science
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ai & development workflow & best practices agent ai golang mcp vibe-coding gemini-cli
Taming AI agents requires science, not just vibes. Discover how A/B testing and statistical rigor turn coding agents into a measurable engineering discipline.
My Year in Review: 2025
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career & personal reflection year-in-review google career vibe-coding
Reflecting on a transformative 2025: from joining Google and mastering vibe coding to building my own AI tools and finding a new rhythm in life and engineering.
Taming Vibe Coding: The Engineer's Guide
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workflow & best practices vibe-coding ai mcp gemini-cli jules
Get the speed of AI without the mess. Apply engineering basics to keep your code structured, safe, and built to last.
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.
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.