Individual skill

ui-regression

This skill should be used when the user asks to "verify UI changes", "audit UI quality", "test every screen and action", "run regression QA", "check a deployed UI", or "validate an extension release". Test known web and browser-extension workflows on localhost, staging, or production with action coverage, recovery, localization, accessibility, and real integration evidence. Use dogfood for open-ended bug discovery.

plugins/agent-browser/skills/ui-regression/SKILL.md

Read pinned source

Source commit 4f2b4bc9a74024397b4688cbafd1ae538a83a5fb

What was checked

Matches the observed repository HEAD
Yes
Scanner rules are current
Yes
Repository scan complete
No
Skill scan complete
No
Observed behavior
Network or broad shell
Last checked
Nov 4, 2026

These are observations at the recorded commit, not a guarantee of safety. Review the source before running it.

Install this skill

Choose an agent in your Stack or copy a command below. Commands fetch the pinned commit and copy only this skill directory. Existing destinations are refused. Copying a command does not install anything.

An install command is unavailable: current rules, complete repository and skill scans, an eligible behavior level and a permitted license are required.

Repository context

Repository stars (not skill ratings)
1,200
Repository last updated
Nov 6, 2026
License
Apache-2.0

Observed agent integration: No specific integration evidence. Standard SKILL.md installation does not imply verified compatibility.

Files and excerpt

File metadata and permitted, redacted excerpts come from the recorded scan. Source links are pinned to that commit.

Browse files
Read excerpt

# UI Regression

Verify that the requested UI works from entry to outcome. Cover the changed surface and its dependencies, without expanding a small edit into an unrelated product audit.

Use the browser tools available and permitted in the current environment. When using the agent-browser CLI, read [its skill](../agent-browser/SKILL.md) first. This workflow does not require a particular browser driver or local source access.

## Scope and evidence

- Identify the target URL or extension build, environment, affected screens, actions, roles, locales, and dimensions. Inspect source and API contracts when available. For deployed-only QA, derive coverage from visible navigation and the requested workflows.
- Keep a compact coverage ledger in working notes or an existing artifact: screen/state, expected outcome, observed result and evidence. Track functional behavior, rendered quality and runtime health separately as pass/fail/unverified/not-applicable. Inventory before testing and update as results arrive; passing interactions cannot approve unchecked visuals.
- Confirm the effective URL after navigation, candidate revision or deployed version, browser, viewport, device pixel ratio, data source and build mode. Verify runner overrides take effect before exercising a local candidate. Mark unknown revisions explicitly. Compare baselines at matching content, state and dimensions.
- When asked to test every function, account for every inventoried action. Do not silently omit blocked checks or impose an arbitrary bug-count stopping point.

## Real behavior and safe boundaries