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Get Started Free →minpeter/capturing-ui-screenshots
Captures reproducible evidence screenshots and browser states from web apps in Amp orbs with Playwright, mock authentication, mocked APIs, supervised preview services, and visual verification.
Passed 13 of 18 test cases with the skill, and 3 of 18 without it.
and 14 more in the full report
13 fixed4 passed either way6 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 13 test cases the skill fixed. Same model, same prompt, with and without the skill.
After completing the Playwright screenshot capture sequence, what command should be run to terminate the supervised app preview process, and what follow-up check should be performed?
| Checked | Without skill | With skill |
|---|---|---|
| The response specifies running amp orb service stop ui-capture. | Missed | Passed |
| The response requires verifying service status after stopping. | Passed | Passed |
The instructions your model reads when the skill loads.
Produce reviewable PNG evidence from a deterministic local app state. Build, serve, check, and capture sequentially; mock every external dependency; inspect the images; then remove capture-only code and stop the service.
amp orb service status.fullPage: changing page dimensions
can alter layout and stale overlay positioning.Read the repository's own scripts and E2E setup first. Use its existing E2E-mode build and mock-auth contract rather than inventing production credentials. Run the build by itself and wait for success before starting the preview, for example:
pnpm build --mode e2e
Adapt the command to the repository. The requirements are an optimized preview build, E2E/mock-auth mode enabled at build time when the app requires it, and no concurrent build, server, test, or capture jobs.
If Chromium is missing for the installed Playwright revision, install exactly that revision through the project dependency before capturing:
npx playwright install chromium
test cases passed, vs 3 / 18 without
More skills from the same source and nearby in the registry, with their headline benchmark lift.