# UI Regression (agent skill)

> UI Regression is an agent skill (a SKILL.md file) from fcakyon/claude-codex-settings. It should be used when the user asks to "verify UI changes", "test every screen and action", "run regression QA", "check a deployed… It works with Claude Code, Codex, Cursor, Gemini CLI and GitHub Copilot and has 1,189 GitHub stars across a repository of 2 listed skills.

This skill should be used when the user asks to "verify UI changes", "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. Verify that the requested UI works from entry to outcome.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/fcakyon/claude-codex-settings |
| Skill path | plugins/agent-browser/skills/ui-regression/SKILL.md |
| Skill name | ui-regression |
| GitHub stars | 1,189 |
| Installs on skills.sh | not listed |
| License | Apache-2.0 |
| Skills in repo | 2 |
| Plugin marketplace | claude-settings |
| Official | no |
| Works with | Claude Code, Codex, Cursor, Gemini CLI, GitHub Copilot |
| Category | Testing & QA |
| Last commit | Oct 25, 2026 |

## When it triggers

- used when the user asks to "verify UI changes", "test every screen and action", "run regression QA", "check a deployed UI", or "validate an extension release".
- Use dogfood for open-ended bug discovery.
- "verify UI changes"
- "test every screen and action"
- "run regression QA"
- "check a deployed UI"
- "validate an extension release"

## Add this skill

### Claude Code

```sh
/plugin marketplace add fcakyon/claude-codex-settings
/plugin install agent-browser@claude-settings
```

In the Claude apps, zip the skill folder and upload it under Customize > Skills > + > Upload a skill (code execution must be on).

### ChatGPT / Codex

```sh
git clone --depth 1 https://github.com/fcakyon/claude-codex-settings.git
cp -r claude-codex-settings/plugins/agent-browser/skills/ui-regression .agents/skills/ui-regression   # repo; ~/.agents/skills for all projects
```

### Cursor

```sh
git clone --depth 1 https://github.com/fcakyon/claude-codex-settings.git
cp -r claude-codex-settings/plugins/agent-browser/skills/ui-regression .cursor/skills/ui-regression   # project; ~/.cursor/skills for all projects
```

Sources (checked 2026-10-07): https://code.claude.com/docs/en/skills, https://support.claude.com/en/articles/12512180-using-skills-in-claude, https://learn.chatgpt.com/docs/build-skills, https://cursor.com/docs/context/skills

---

Canonical page: https://appsgit.com/skills/fcakyon-ui-regression
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