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An AI Web Agent Embedded in Chrome
A Chrome extension that enables your browser to perform custom actions on any website. Point and click on an element on the current webpage, give your instructions, and watch the agent do its magic.
BrowserKitten is a chrome extension that lets you build a programmable web agent using your browser. You just need to click on any element of the current page, define your action, and your agent will execute it on your running browser (with your login). Works on Chrome 135+, with additional functionalities on Chrome 138+. You can install it as unpacked extension without having to compile or use a package manager. BrowserKitten uses a BYOK (Bring Your Own Key) approach, so you can use your own AI key and process your data on the provider of your choice. Built on top of Chrome MV3, BrowserKitten leverages a Service Worker, Side Panel, and ToolLoopAgent Component to execute sequential action flows.
Why a vibe-coder should care
You can interact with websites on which you are logged in. No APIs, no scraping scripts needed. You can fill forms, click buttons, get information, etc. Rather than wasting half an hour doing it manually on your browser, ask your agent to do it for you!
How to install
Copy this and send it to your agent — Claude Code, Codex, any of them:
Install the Chrome extension as an unpacked extension from https://github.com/Player-YN/BrowserKitten — follow the README, add my API key, and show me how to select a page element and give the agent a task. Chrome 135 or higher required.
Installs as a Chrome extension — no server or powerful hardware needed. Chrome 135 or higher and an AI model key are all you need.
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