A new Advent calendar had joined those for Java, Kotlin and Rust. We now have  Advent of AI, a series of AI engineering challenges from Goose, that is already underway.

Advents, in the programming sense, are sites hosting programming puzzles announced every day till Christmas. We've recently had a look at the classic Advent of Code as an all encompassing event with puzzles that can be solved in any programming language.

But in this case we go beyond coding with a programming language to enter the realm of GenAI, courtesy of Goose, the local AI agent that automates engineering tasks. A sign of the times really.

Goose has launched this 17-day challenge series that has already started on December 1st. Its aim is to take you from the theory of GenAI to applying it in real world applications by using AI agents. As such each day until the 17th you'll be getting a new hands-on project designed to transform you from an AI spectator into a confident builder.

The challenges are initially beginner-oriented and include clear guidance and resources to get you started. However if you feel already comfortable and look for the extra mile, there's always bonus objectives that go beyond the simple cases.

Case in point, very first challenge number 1. As always, Christmas themed :

The Winter Festival opened this morning, and already there's trouble at Madame Zelda's Fortune Telling Tent. Her mystical crystal ball (actually a fancy iPad app) crashed during the opening ceremony, and she has a line of 50 people waiting for their winter fortunes. Madame Zelda is panicking. The festival organizers are panicking. But you? You have goose.

--Mission:

Use goose's CLI to generate winter fortunes with different mystical personalities.

--Requirements:

• Generate at least 3 fortunes with different moods (grumpy, poetic, festive, sarcastic, mysterious)
  
  
• Make them visually appealing - Use ASCII art, emojis, borders
  
  
• Give them a theme - Ex: seasonal and magical

That's the main dish. if you want to go further there's challenges for Intermediate and Advanced users, such as creating bash scripts that wrap 'goose run' or running the fortune generation inside a GitHub Action.

Challenges increase in difficulty as we move on to the next day. For instance on Day 4, you get to build and deploy a festival website using multiple Agentic extensions working together, while on Day 5, you get to build a gesture-controlled flight tracker that shows real airplane arrivals, controlled entirely by hand movements.

The great thing about it is that in case you get stuck, you can find the official solution of the challenge in hand up on Youtube, as well as you can check out what the community did when you join the Advent of AI Discussion forum.

Before starting on the challenges you'll need to get Goose CLI (open source, runs locally); to read the documentation and to use the API. Free credits are available for taking on the challenges by signing up at goose-credits.dev to get credits for Claude Sonnet 4.5 via OpenRouter. Alternatively Goose can access other LLMs on a "bring-your-own-LLM-provider" basis.

This advent has already begun. So check out the challenges and their solutions that took place since the 1st of December and remember to sign up at adventofai.dev to get notified when the new ones arrive. 

More Information

Advent of AI-challenges
Advent Of AI-Community  
Goose on Github 

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