How to Keep AI-Built Tools Running When Third-Party UI Changes Break Them

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Developer Shin from e-Shikumi-Labo has published the final part of a four-part series on building and maintaining personal AI-assisted tools without deep coding expertise. The series culminated in a practical guide for handling tool breakdowns caused by UI changes on third-party platforms like Google Gemini. Shin explains that tools scraping web data will inevitably break when the source platform updates its design, and the key is building for repairability rather than perfection. By isolating the screen-parsing logic into a separate file called parser.js, users can quickly identify and fix only the affected code when changes occur. The author advocates using AI to generate corrected code by simply providing updated HTML elements via browser DevTools, enabling non-programmers to restore functionality within minutes.

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