Having Fun with Vibe Coding: Cat-Ching

I have been playing with Vibe Coding for some time and to have some fun I have built this I-Ching Divination App to cast divination based on the Book of Changes, an ancient Chinese classic used both as a philosophical text and as a divination manual. Click on a Cat image to try Cat-Ching in action.

Click on a Cat to try Cat-Ching in action

What is I Ching

  • It originated as a divination guide in the Western Zhou period (roughly 1000–750 BCE) and later became one of the core Chinese classics.​

  • Over time it attracted extensive commentaries (the “Ten Wings”) and came to express a cosmology based on change, yin–yang, and the dynamic patterns of nature and human life.

To have some fun I created a persona of Cat-Ching - cute but wise cat that help user understand the reading.

How I did it

I have used Manus AI to build the app. You can find a framework for AI Prompts here.

I have also simplified things for myself using Manus Built-In Website Builder, it can help you host app, creates APIs connection and etc. You can download all the technical files though and deploy the app. I host my website on Squarespace, it’s not suitable to host such a complex app, so I just went with Manus solution. I will, however, consider hosting apps on more professional platform like Railway in the future.

Also, Manus had Google’s Nano-Banana integrated, and I worked with it to develop pictures of Cat Ching.

Below are the documents have been created based on my prompts.

Product Requirements Document (PRD)

To-Do List for AI Development

If you have questions about the process you can connect with me on LinkedIn.

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Guide to Vibe Coding for People&Org