Visual Testing
Automates UI visual regression testing by comparing screenshots across versions, identifying unexpected changes.
Install on your platform
We auto-selected Claude Code based on this skill’s supported platforms.
Run in terminal (recommended)
claude mcp add visual-testing npx -- -y @trustedskills/visual-testing
Or manually add to ~/.claude/settings.json
{
"mcpServers": {
"visual-testing": {
"command": "npx",
"args": [
"-y",
"@trustedskills/visual-testing"
]
}
}
}Requires Claude Code (claude CLI). Run claude --version to verify your install.
About This Skill
What it does
The visual-testing skill allows AI agents to perform automated visual regression testing on web pages. It captures screenshots of specified elements, compares them against baseline images, and highlights any visual differences. This helps identify unintended changes in the user interface caused by code modifications or updates.
When to use it
- Regression Testing: After making UI-related changes, ensure no unexpected visual regressions occurred.
- A/B Testing Validation: Verify that A/B test variations render correctly and consistently across different browsers and devices.
- Design System Maintenance: Confirm that components within a design system remain visually consistent after updates.
- Automated UI Checks: Integrate into CI/CD pipelines to automatically check for visual regressions with each build.
Key capabilities
- Screenshot capture of specific elements
- Comparison against baseline images
- Highlighting of visual differences
- Browser and device compatibility testing (implied)
Example prompts
- "Take a screenshot of the login button and compare it to the baseline image."
- "Run visual regression tests on all product listing pages."
- "Compare the header section across Chrome and Firefox, highlighting any differences."
Tips & gotchas
- Requires establishing baseline images before use. The accuracy of comparisons depends heavily on the quality of these baselines.
Tags
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Security Audits
| Gen Agent Trust Hub | Pass |
| Socket | Pass |
| Snyk | Pass |
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Passed automated security scans.