agent-browser

agent-browser enables Claude to control web browsers for automation and testing tasks. Execute end-to-end workflows, interact with web applications, and validate user journeys through code-driven browser control. Perfect for QA automation, web scraping, and business process testing.

AI-generated summary based on this skill's SKILL.md

★ 11 ⁮ 4 MIT updated 2026-07-27 by Casper-Studios

Install

Casper-Studios/casper-marketplace/agent-browser · repository language: Python

Manual (git clone) CLI (skillfed)coming soon

git clone https://github.com/Casper-Studios/casper-marketplace
cp -r casper-marketplace/plugins/engineering/testing/skills/agent-browser ~/.claude/skills/agent-browser

Frequently asked questions

AI-generated answers based on this skill's SKILL.md and metadata

What is agent-browser used for?

Can agent-browser automate form filling and web page interactions?

Yes, agent-browser supports filling forms and interacting with web page elements programmatically. You can automate repetitive data entry tasks, click buttons, select dropdown options, and manipulate any interactive element on a web page through code-driven commands.

Is agent-browser a selenium alternative for browser automation?

agent-browser functions as a modern browser automation solution that enables end-to-end testing workflows and web interactions. Like other automation tools, agent-browser allows you to control browser behavior, interact with page elements, and validate application functionality—making it suitable for QA automation and testing scenarios where you need programmatic browser control.

What testing capabilities does agent-browser provide?

agent-browser supports multiple testing scenarios including end-to-end testing workflows, login flow automation testing, and UI testing with screenshot capture. You can capture screenshots and snapshots for visual verification, test authentication flows and login sequences, and validate user journeys. The tool also enables accessibility testing and visual regression testing through its snapshot and element detection features.

How does agent-browser handle element targeting and identification?

agent-browser uses ref-based element targeting for reliable DOM element identification automation. This approach allows you to target specific page elements programmatically without relying on fragile selectors, making your automation scripts more robust and maintainable across page changes.

Can agent-browser scrape and extract content from web pages?

Yes, agent-browser supports web scraping and content extraction from web pages. Combined with its browser automation capabilities, you can navigate to pages, interact with dynamic content, and extract data programmatically—making it suitable for data collection and web page interaction automation tasks.

SKILL.md

rendered from the published skill — quoted content, verbatim

Agent Browser Testing Skill

Browser automation and end-to-end testing using Vercel's agent-browser CLI. Uses ref-based element targeting for reliable, AI-friendly browser interaction.

Quick Decision Tree

What do you need?
│
├─ Take a screenshot of a page?
│  └─ agent-browser open [url] &amp;&amp; agent-browser screenshot
│
├─ Fill out a form?
│  └─ open → snapshot -i → fill @ref → click @submit → snapshot
│
├─ Test a login flow?
│  └─ See references/authentication.md
│
├─ Run an E2E test?
│  └─ See references/testing-patterns.md
│
├─ Scrape page content?
│  └─ agent-browser open [url] &amp;&amp; agent-browser snapshot -i
│
└─ Debug element targeting?
   └─ agent-browser snapshot -i --format json

Installation

```bash

Install agent-browser globally

npm install -g agent-browser

Install browser dependencies (Chromium)

agent-browser install

Verify

(truncated - see the full file via the links below)

Read as markdown · JSON record · Browse the source repository

File tree — 6 files

plugins/engineering/testing/skills/agent-browser/SKILL.md
plugins/engineering/testing/skills/agent-browser/references/authentication.md
plugins/engineering/testing/skills/agent-browser/references/commands.md
plugins/engineering/testing/skills/agent-browser/references/snapshot-workflow.md
plugins/engineering/testing/skills/agent-browser/references/testing-patterns.md
plugins/engineering/testing/skills/agent-browser/scripts/browser_test.py

All skills by Casper-Studios → Best browser automation skills for AI agents - SkillFed →