Hacker's Handbook


AI Rubber Ducking: When Your Duck Starts Talking Back

Debugging with an AI duck, helpful, but slightly quackers

Posted: 2025-04-01
Categories: development , debugging , AI

AI Rubber Ducking: When Your Duck Starts Talking Back

We’ve all been there. Your code isn’t working, you're on your third coffee, and explaining your logic out loud to a literal rubber duck somehow feels perfectly reasonable. This method—known as "rubber duck debugging"—forces you to verbalize the problem, turning vague frustration into clear insight. But what if, instead of silent, judgmental stares, your rubber duck could actually respond?

Me pointing at a computer with a rubber duck on the side.

Rubber Duck Debugging, Briefly Explained

If you've never heard of rubber duck debugging, here’s the gist: you talk your code through line-by-line to an inanimate duck (or a coffee mug, or a slightly confused co-worker). The mere act of explaining forces your brain to slow down, reconsider assumptions, and often leads you straight to the source of the problem.

Now, enter AI.

AI Joins the Debugging Party

AI-powered tools like ChatGPT have started stepping in as your conversational coding partner. Instead of blank stares from a rubber toy, you now get questions, clarifications, and the occasional helpful nudge from an attentive AI. This might sound great, or terrifyingly close to "AI writes your code for you," but that's not quite the point.

Here's a crucial distinction: this is not about letting AI blindly spit out code snippets for you to paste without thinking. That way lies madness, chaos, and production incidents at 3 AM. Instead, it’s about enhancing your understanding of the code you're writing, using the AI as a thoughtful listener who challenges your assumptions and gently prods you toward insight.

Why Letting AI Write Your Code Is a Terrible Idea

Let’s pause briefly to clarify something important:

Yes, AI can generate code. Sometimes it's even correct. But if you blindly copy-paste AI-generated code, you’ve basically summoned a gremlin into your codebase. Good luck debugging a solution generated by a statistical model trained on half the internet’s JavaScript hacks and Stack Overflow workarounds.

Instead, the real power of using AI for rubber duck debugging is helping you articulate your problem and thought process. You remain in charge. It's your logic, your code. But now you have a conversational partner to bounce ideas off.

How AI Ducking Helps You (the Developer)

Here's why chatting with an AI rubber duck is surprisingly effective:

Explaining your problem in detail forces clarity. When you describe your bug or logical flaw to an AI, you have to strip away assumptions and present things simply. By doing this, you immediately spot those sneaky gaps or logical inconsistencies.

The AI’s questions can prompt you to think about your code differently. Rather than just silently nodding along, an AI can gently interrupt your flow and say something like, "Wait, what happens if x is empty?" Suddenly you're forced to consider edge cases or logic branches you've overlooked.

It’s always there, awake, caffeinated (in the digital sense), and ready to debug with you,even when your team isn't. No more waiting until morning to untangle the mess you made at 2 AM.

Practical Tips for Using AI as a Rubber Duck

Here’s how to best leverage AI in your debugging sessions:

First, clearly articulate your issue: what should your code do, and what is it actually doing? Imagine you’re explaining it to someone who has no context at all.

Next, provide only relevant snippets, enough context without drowning your duck in noise. This helps maintain your own clarity too.

Finally, actively engage with the AI’s questions and suggestions. Don't just ask for answers, but use the dialogue to challenge your own assumptions and deepen your understanding.

Suggested prompts

  • Problem Description Prompts

    • "Let me explain this code snippet to you. Point out any logical inconsistencies or gaps in my explanation."

    • "Here's what I want my function to do [short description]. Here’s how I'm approaching it. What scenarios might I have missed?"

  • Code Understanding Prompts

    • "Can you restate the logic of my code snippet in simpler terms? I want to see if I clearly understand what I've written."

    • "Let me describe how this should work step-by-step. Please interrupt if something doesn’t make sense or seems incomplete."

  • Edge-Case Identification Prompts

    • "I think I've covered all edge cases. Challenge me—are there conditions I haven’t accounted for?"

    • "I feel confident about my implementation. Double-check me: are there scenarios I might have overlooked?"

  • Debugging Assistance Prompts

    • "My code isn't working. Before giving suggestions, ask me clarifying questions to help me understand why it might be failing."

    • "Ask me about assumptions I've made in this code snippet. Help me realize what I might be taking for granted."

Or you can try my Rubber Duck Debugger

Conclusion (Or, Embrace the Quack)

AI-powered rubber ducking won't replace traditional debugging or your team’s code reviews. But it does offer a helpful middle ground between coding alone and having a conversation partner always available. The goal is not about magically solving your problems, but about helping you understand your problems clearly enough to fix them yourself.

So next time your code misbehaves, try talking it through with an AI duck. It might just quack you up, and lead you straight to the solution.

- Happi


Happi Hacking AB
KIVRA: 556912-2707
106 31 Stockholm