Build a Chrome Extension with Claude — Tab Manager

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. ...

June 27, 2026 · 13 min