Developer's AI Tool Fixed a Broken Chrome Extension in 40 Minutes Without His Input

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A developer building a Chrome extension called Intro Skipper struggled to reliably auto-skip intros on Crunchyroll due to the platform's hidden player controls, which only appear on mouse movement. Previous attempts using GitHub Copilot produced a flickering, inconsistent fix that broke further after Crunchyroll updated its player. The developer then used Claude Code with Opus in max thinking mode, giving it a single prompt to diagnose and resolve the issue. Rather than simulating mouse interactions like earlier solutions, Claude discovered that Crunchyroll publicly exposes skip timestamps via its own data endpoint, allowing the extension to skip content by time rather than by clicking any button. The entire fix took roughly 30 to 40 minutes, with no active input from the developer.

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