browser-testing

Use when testing web applications, debugging browser console errors, automating form interactions, or verifying UI implementations. Load for localhost testing, authenticated app testing (Gmail, Notion), or recording demo GIFs. Requires Chrome extension 1.0.36+, Claude Code 2.0.73+, paid plan.

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Install this agent skill to your Project

npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/data/browser-testing

SKILL.md

Browser Testing

Test and debug web applications via Chrome integration.

Prerequisites

Requirement	Minimum
Chrome extension	1.0.36+
Claude Code CLI	2.0.73+
Plan	Pro/Team/Enterprise

Instructions

Enable Chrome: claude --chrome or /chrome
Get tab context: tabs_context_mcp
Navigate: navigate to URL
Interact: find, form_input, computer
Verify: read_console_messages, read_page
Evidence: computer(action="screenshot")

Quick Commands

bash

# Check for console errors
scripts/check-console-errors.sh TAB_ID

# Verify page loaded
scripts/verify-page-load.sh TAB_ID URL

# Run smoke test
scripts/smoke-test.sh URL

MCP Tools

Tool	Purpose
`tabs_context_mcp`	Get tab IDs (call first)
`navigate`	Go to URL
`computer`	Click, type, screenshot
`find`	Find element by description
`form_input`	Fill form fields
`read_console_messages`	Debug with pattern filter
`read_page`	Get DOM/accessibility tree
`gif_creator`	Record interactions

References

File	Load When
references/patterns.md	Designing test scenarios
references/examples.md	Need concrete examples