quality-engineering-selector-stability SKILL.md skillA
quality-engineering-selector-stability from hoangnguyen0403/agent-skills-standard is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add hoangnguyen0403/agent-skills-standard/quality-engineering-selector-stability@git:20261106.0b29428Pins git:20261106.0b29428 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- hoangnguyen0403/agent-skills-standard
- Path
.claude/skills/quality-engineering/quality-engineering-selector-stability/SKILL.md- Versions recorded
- 3
- Latest version
- git:20261106.0b29428, committed Nov 6, 2026
- First version recorded
- Sep 6, 2026
- Size
- 3,282 bytes
- Repository stars
- 583
- License
- MIT
Cross-stack selector and test-id policy for web and mobile automation. Use when writing or reviewing E2E/UI test locators, or adding data-testid/accessibility identifiers to components.
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# Quality Engineering: Selector Stability ## **Priority: P0 (CRITICAL)** ## Web Ladder `getByRole` / `getByLabel` > `getByTestId` (`data-testid`) > attribute CSS. Never XPath, `nth-child`, or generated class names. ## Mobile Ladder Accessibility id > resource-id / `testTag` > predicate/uiautomator > XPath. Never XPath. ## Framework Map - React/Next.js: `data-testid`. - React Native: `testID` for automation; separate `accessibilityLabel` for VoiceOver/TalkBack. - Flutter: `WidgetKeys` (`Key`) on widgets for widget tests, `integration_test`, and Patrol. - SwiftUI/UIKit: `.accessibilityIdentifier` (automation only); `.accessibilityLabel` (screen reader). - Jetpack Compose: `Modifier.testTag` + `testTagsAsResourceId = true` for automation; `contentDescription` for a11y. ## Naming `<screen>-<element>-<role>`, kebab-case (e.g. `checkout-submit-button`). ## Insertion Policy Add ids to leaf interactive/assertable elements only, never layout wrappers. Never rename an existing id — ids are a public contract other tests depend on. ## Drift Classes `rename` (id changed), `restructure` (DOM/tree moved), `i18n` (visible text changed, id untouched). ## Collection Readiness …
Read the whole file at its exact version.
How to install
mdr add hoangnguyen0403/agent-skills-standard/quality-engineering-selector-stability@sha256:e4e4d08c11aeffe8The line at the top of this page pins the label git:20261106.0b29428, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_mrrqniqswxtqypse)
8 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 3 versions of this file, between Sep 6, 2026 and Nov 6, 2026, about one every 31 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20261106.0b29428 latest | 2026-11-06 | 0b29428 | 3,282 B | A | view · diff |
| git:20261027.7209c6c | 2026-10-27 | 7209c6c | 2,398 B | A | view · diff |
| git:20260906.c5a4f43 | 2026-09-06 | c5a4f43 | 2,071 B | A | view |
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (3282 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
hoangnguyen0403/agent-skills-standard · 583 stars · license MIT · pushed 2026-11-07 · branch develop
API
GET https://markdownregistry.com/api/v1/artifacts/art_mrrqniqswxtqypse GET https://markdownregistry.com/api/v1/resolve?ref=hoangnguyen0403/agent-skills-standard/quality-engineering-selector-stability GET https://markdownregistry.com/api/v1/blob/e4e4d08c11aeffe886485593fda541ecb06c1572ce44725c55c9ecce568c4564
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.
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