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agent-browser

Automate browser UI testing with accessibility snapshots and screenshots.

Updated Apr 10, 2026
Search Tags:#automation#accessibility#screenshots#ui-testing#browser#web-automation
One-click install
npx skills add https://github.com/nanasi-apps/nanasi-apps-blog-emdash --skill agent-browser-nanasi-apps
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: agent-browser
Source: https://github.com/nanasi-apps/nanasi-apps-blog-emdash/tree/main/skills/agent-browser
Command: npx skills add https://github.com/nanasi-apps/nanasi-apps-blog-emdash --skill agent-browser-nanasi-apps

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill automates browser-based UI testing and visual verification for AI agents, reducing manual verification effort and speeding up UI validation.

Core Features & Use Cases

  • Open a URL and snapshot the accessibility tree to locate interactive elements for automated testing and documentation
  • Interact with elements using refs to fill forms, trigger actions, and validate UI flows
  • Capture screenshots (viewport or full page) for debugging, documentation, and accessibility checks

Quick Start

Open a URL with agent-browser open http://localhost:4321/ to begin verifying UI behavior.

Frequently Asked Questions about agent-browser

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I automate browser tasks and verify UI changes without manual checks?▼

You can automate browser tasks by opening a URL to snapshot the accessibility tree, interacting with elements using refs to trigger actions, and capturing screenshots to visually verify UI changes quickly.

How does capturing an accessibility snapshot help with web automation?▼

Capturing an accessibility snapshot helps web automation by locating interactive elements on a web page, allowing agents to perform actions by element refs to fill forms and validate UI flows accurately.

Can I capture full page screenshots for debugging frontend changes?▼

Yes, you can capture both viewport and full page screenshots to debug frontend changes, generate documentation, and perform visual accessibility checks across your web applications.

What is the best way to run interaction flows on a local web app?▼

The best way to run interaction flows is opening a local URL to load the page, snapshotting the accessibility tree to find interactive elements, and executing actions by element refs to verify UI behavior.

Do I need to install browser extensions to perform automated UI testing?▼

No, you do not need browser extensions because the automation runs as a CLI tool that opens URLs, captures accessibility snapshots, performs actions by element refs, and records results directly.

Why should I use accessibility snapshots instead of pixel-based UI testing?▼

Accessibility snapshots provide element refs for precise interaction with forms and UI flows, whereas pixel-based testing only captures screenshots, making snapshots more reliable for verifying frontend changes.

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