Visual Testing
CheckedAutomates UI visual regression testing by comparing screenshots across versions, identifying unexpected changes.
Install on your platform
Showing Claude Code. One command installs this skill into any of the agents below.
- 1
Run this in your project
terminal$ npx skills add serkan-ozal/browser-devtools-skills --skill visual-testing -a claude-code Uses the open-source
skillsCLI and needs Node.js. Add-gto install it for your user instead of this project.
What we know about this skill
Publisher
serkan-ozal
Taken from the source listing. We haven't verified who controls this account.
Install target
Live repository
Not pinned. Installing fetches whatever the repository holds at the time you run the command.
Automated safety checks
This skill passed all 6 checks. We read its files at one commit and looked for the things that make a skill dangerous to run — not for whether it works.
Declares what it does: passed
SKILL.md parses and declares a name and a description.
SKILL.md exists, its frontmatter parses, and it declares a name and a description.
No undeclared network calls: passed
Makes no network calls.
Every host the skill dials — from its scripts, its config endpoints or the commands it tells the agent to run — is either well-known package and API infrastructure or declared in its own frontmatter. Links in documentation are not counted.
No obfuscated payloads: passed
No encoded or obfuscated payloads.
No base64, hex or compressed blob is decoded and then executed, and no encoded shell commands.
No credential access: passed
Reads no keys, tokens, keychains or credential files.
Neither the code nor the SKILL.md instructions read SSH keys, cloud credentials, keychains, token stores, browser cookie databases or dotfiles that hold secrets.
No pipe-to-shell installers: passed
No pipe-to-shell or download-and-run installers.
No `curl … | sh` pattern, in the code or in the instructions, that runs code fetched at run time.
Pinned to a commit: passed
Scanned serkan-ozal/browser-devtools-skills at 62b9f7990f.
The exact upstream commit SHA that was scanned is recorded, so the result refers to specific bytes.
- Commit
- 62b9f7990f
- Manifest
- skills/visual-testing/SKILL.md
- Scanned
- 1 file, 200 lines
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.