Capture screenshots of all pages at different viewports
/plugin marketplace add mwguerra/claude-code-plugins/plugin install e2e-test-specialist@mwguerra-marketplace<base-url> [--output screenshots/] [--viewports desktop,tablet,mobile]# Capture Page Screenshots
Capture screenshots of all pages at different viewport sizes using Playwright MCP.
## Usage
## Process
### Step 0: URL/Port Verification (CRITICAL FIRST)
**Before capturing any screenshots, verify the application is accessible at the correct URL.**
1. **Navigate to Provided URL**
- Use `mcp__playwright__browser_navigate` to base URL
- Use `mcp__playwright__browser_snapshot` to capture state
2. **Verify Correct Application**
- Check for expected app name/logo/navigation
- Ensure NOT a default server page ("Welcome to nginx!", "It works!")
- ...