Chrome-Extension

Browser extensions are the perfect vibe coding project. They are small in scope, have a clear structure, give you instant visual feedback, and the manifest format is strict enough that AI generates correct configurations most of the time. In this article, you will build a Chrome extension with AI — from the first prompt to publishing on the Chrome Web Store. The tool: Cursor as the primary AI editor. The project: PR Summary — a GitHub pull request summarizer that adds a one-click summary button to PR pages. When you click it, it extracts the PR diff, sends it to an AI API, and displays a plain-English summary right on the page. ...

Chrome extensions are different from anything we have built so far. There is a specific architecture (background scripts, content scripts, popups), a manifest file that Chrome parses, and browser APIs that work differently from regular web APIs. This is a good stress test for Claude Code. Can it handle Manifest V3 correctly? Does it know the Chrome extension APIs? The project: a tab manager extension called “TabFlow” that shows all open tabs, lets you search them, close duplicates, and save sessions for later. ...