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Agent skill

Quality Engineering Test Healing

by HoangNguyen0403 in HoangNguyen0403/agent-skills-standard

Failure taxonomy and allowed/forbidden repairs for a failing E2E test.

MITAuto-check passedMobile

Install Quality Engineering Test Healing

skills CLI
$ npx skills add HoangNguyen0403/agent-skills-standard --skill quality-engineering-test-healing -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install HoangNguyen0403/agent-skills-standard quality-engineering-test-healing --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/HoangNguyen0403/agent-skills-standard.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/quality-engineering/quality-engineering-test-healing .claude/skills/quality-engineering-test-healing && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
quality-engineering-test-healing
GitHub stars
572
Token cost
~655 tokens
SKILL.md length
224 words
Files
6 (incl. references)
Skills in repo
211
Repo updated
First seen
Licence
MIT

At a glance

Failure taxonomy and allowed/forbidden repairs for a failing E2E test.

  • A Playwright/Maestro/Detox/XCUITest/Espresso/Appium test fails and you must decide whether to repair the test
  • SKILL.md covers Priority: P0 (CRITICAL), Failure Classes, Allowed Repairs and Forbidden Repairs, plus 3 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
  • Route to a real bug

What it does

Quality Engineering Test Healing is an agent skill from HoangNguyen0403/agent-skills-standard. Failure taxonomy and allowed/forbidden repairs for a failing E2E test. Use when a Playwright/Maestro/Detox/XCUITest/Espresso/Appium test fails and you must decide whether to repair the test or route to a real bug.

Its SKILL.md is about 660 tokens, which your agent loads only when the skill is triggered. The skill folder holds 7 other files, including reference files (for example `evals/evals.json`, `references/failure-taxonomy.md` and `references/forbidden-repairs.md`).

It sits in Mobile, covering Mobile testing and debugging. It works with Playwright. The repository describes itself as: A collection of Agent Skills Standard and Best Practice for Programming Languages, Frameworks that help our AI Agent follow best practies on frameworks and programming laguages. The licence is MIT.

When your agent uses it

  • A Playwright/Maestro/Detox/XCUITest/Espresso/Appium test fails and you must decide whether to repair the test
  • Route to a real bug

Example prompts

  • “/quality-engineering-test-healing”

What it can do on your machine

Read from SKILL.md and the folder at commit b529c2d. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Quality Engineering Test Healing loads about 655 tokens when it runs, and up to ~1.6k if it reads all its reference files. Until then it costs about 62 tokens; SKILL.md has 224 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~62
When it runs · the whole SKILL.md, loaded when a task matches
~655
With references · SKILL.md plus every file in references/, read only if the agent opens them
~1.6k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from HoangNguyen0403/agent-skills-standard at commit b529c2d, republished under its MIT licence (© HoangNguyen0403). 224 words, ~655 tokens.

Download SKILL.mdSave it as .claude/skills/quality-engineering-test-healing/SKILL.md (or your agent's skills folder). This skill also uses 5 other files; get the full folder from GitHub.
name
quality-engineering-test-healing
description
Failure taxonomy and allowed/forbidden repairs for a failing E2E test. Use when a Playwright/Maestro/Detox/XCUITest/Espresso/Appium test fails and you must decide whether to repair the test or route to a real bug.

Quality Engineering: Test Healing

Priority: P0 (CRITICAL)

Failure Classes

SELECTOR_DRIFT (id/locator changed) · TIMING_SYNC (race/wait, no state change) · DATA_ENV (fixture/seed/env stale) · INFRA (network/runner/flake) · REAL_REGRESSION (product behavior actually changed).

Classify from evidence: trace/screenshot/DOM diff supports a drift/timing/data explanation, or the product diff shows an intentional behavior change (REAL_REGRESSION).

Allowed Repairs

Move the locator up the selector ladder (e.g., getByRole if the ID changed); replace a sleep with an explicit state wait; fix a stale fixture/seed; retry only for INFRA.

Forbidden Repairs

Never weaken an assertion. Never add test.skip/fixme; a test that must stop gating goes to quarantine per quality-engineering-flaky-triage with a ticket + expiry, and keeps running. Never widen a matcher. Never inflate a timeout by more than 2x. Never blind --update-snapshots. Never catch-and-continue. Never touch production code — that is REAL_REGRESSION, not a heal.

Verdicts

HEALED (repair verified by 3 consecutive green reruns, ASSERTION_DELTA: none) · REAL_BUG_DO_NOT_HEAL (route to dev-fix) · QUARANTINE_CANDIDATE (flaky, route to flaky-triage) · BLOCKED (no evidence artifact, or no stable locator target: route to specialist-testid-inserter).

Red Flags

"the assertion was too strict anyway" · "the product changed so update the expected value" · "just add retries so it goes green" — do not heal with these rationalizations. All three are REAL_BUG_DO_NOT_HEAL or QUARANTINE_CANDIDATE in disguise, never HEALED.

References

© HoangNguyen0403, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 5 other files (references) in skills/quality-engineering/quality-engineering-test-healing of HoangNguyen0403/agent-skills-standard.

  • SKILL.md
  • evals/evals.json
  • references/failure-taxonomy.md
  • references/forbidden-repairs.md
  • references/repair-catalog.md
  • references/verdict-contract.md

Open the folder on GitHubat commit b529c2d

Compare with similar skills

Quality Engineering Test Healing next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Quality Engineering Test Healing compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Quality Engineering Test Healing this skillHoangNguyen0403/agent-skills-standard572—~655Automated safety check: PassMIT
UI Testingchampionswimmer/TwoFac130—~215Automated safety check: PassNone
Keybase E2E Flow Testskeybase/client9.3k—~1.2kAutomated safety check: PassBSD-3-Clause
Mobile Testingthedaviddias/Front-End-Checklist74k—~517Automated safety check: PassMIT
Control UIcursor/plugins11k2 repos~1.2kAutomated safety check: PassNone
Compose Catalogandroidx/androidx6.1k—~499Automated safety check: PassApache-2.0

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Works with

Categories

Questions about Quality Engineering Test Healing

What does Quality Engineering Test Healing do?

Failure taxonomy and allowed/forbidden repairs for a failing E2E test. Quality Engineering Test Healing is an agent skill from HoangNguyen0403/agent-skills-standard. Failure taxonomy and allowed/forbidden repairs for a failing E2E test.

When should I use Quality Engineering Test Healing?

Quality Engineering Test Healing fits situations like: A Playwright/Maestro/Detox/XCUITest/Espresso/Appium test fails and you must decide whether to repair the test; route to a real bug.

How do I install Quality Engineering Test Healing in Claude Code?

Run `npx skills add HoangNguyen0403/agent-skills-standard --skill quality-engineering-test-healing -a claude-code`. Or copy the skill folder (skills/quality-engineering/quality-engineering-test-healing in HoangNguyen0403/agent-skills-standard) into .claude/skills/quality-engineering-test-healing in your project. Claude Code loads it when a task matches its description.

How do I install Quality Engineering Test Healing in Codex?

Run `npx skills add HoangNguyen0403/agent-skills-standard --skill quality-engineering-test-healing -a codex`. Or copy the skill folder (skills/quality-engineering/quality-engineering-test-healing in HoangNguyen0403/agent-skills-standard) into .agents/skills/quality-engineering-test-healing in your project. Codex loads it when a task matches its description.

Can I use Quality Engineering Test Healing in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add HoangNguyen0403/agent-skills-standard --skill quality-engineering-test-healing -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/quality-engineering-test-healing, .gemini/skills/quality-engineering-test-healing, .github/skills/quality-engineering-test-healing and .opencode/skills/quality-engineering-test-healing in your project.

What does Quality Engineering Test Healing need to run?

SKILL.md names no scripts, command-line tools or credentials: Quality Engineering Test Healing is instructions for the agent only.

Does Quality Engineering Test Healing access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Quality Engineering Test Healing safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Quality Engineering Test Healing use?

Quality Engineering Test Healing is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Quality Engineering Test Healing use?

About 655 tokens (SKILL.md is roughly 2.6k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 974 tokens, read only when the agent opens those files.

What are the alternatives to Quality Engineering Test Healing?

Skills that share tags, products or a category with Quality Engineering Test Healing: UI Testing (championswimmer/TwoFac, 130 stars), Keybase E2E Flow Tests (keybase/client, 9.3k stars), Mobile Testing (thedaviddias/Front-End-Checklist, 74k stars) and Control UI (cursor/plugins, 11k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Quality Engineering Test Healing?

HoangNguyen0403 (a GitHub user) maintains it in HoangNguyen0403/agent-skills-standard, which has 572 GitHub stars. The repository holds 211 skills in this directory. The repository was last updated on October 9, 2026.

Source: HoangNguyen0403/agent-skills-standard on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.