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Agent skill

macOS Test Triage

by robinebers in robinebers/openusage

Triage macOS tests across Xcode and SwiftPM. An agent skill from robinebers/openusage.

MITAuto-check passedMobile

Install macOS Test Triage

skills CLI
$ npx skills add robinebers/openusage --skill macos-test-triage -a claude-code

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

GitHub CLI
$ gh skill install robinebers/openusage macos-test-triage --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/robinebers/openusage.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/macos-test-triage .claude/skills/macos-test-triage && 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
macos-test-triage
GitHub stars
4.3k
Token cost
~393 tokens
SKILL.md length
199 words
Files
1
Skills in repo
25
Repo updated
First seen
Licence
MIT

At a glance

Triage macOS tests across Xcode and SwiftPM. An agent skill from robinebers/openusage.

  • Works in 5 steps: Detect the test harness. → Narrow the scope. → Classify the result. → …
  • Narrowing failures
  • SKILL.md covers Quick Start, Workflow, Guardrails and Output Expectations
  • Calls xcodebuild and swift

What it does

macOS Test Triage is an agent skill from robinebers/openusage. Triage macOS tests across Xcode and SwiftPM. Use when narrowing failures, explaining assertions or crashes, or separating setup from regressions.

Its SKILL.md is about 390 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Mobile, covering iOS development. It works with macOS, Xcode and Swift. The repository describes itself as: Burning through your subscriptions too fast? Paying for stuff you never use? Stop guessing. OpenUsage is free and open source. The licence is MIT.

When your agent uses it

  • Narrowing failures
  • Explaining assertions
  • Separating setup from regressions

Example prompts

  • “/macos-test-triage”

Workflow steps

5 steps, taken from the first numbered list in SKILL.md.

  1. Detect the test harness.
  2. Narrow the scope.
  3. Classify the result.
  4. Rerun intelligently.
  5. Summarize clearly.

What it can do on your machine

Read from SKILL.md and the folder at commit 1c37176. 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

    Shell commands in SKILL.md call:

    • xcodebuild
    • swift

    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

macOS Test Triage loads about 393 tokens when it runs. Until then it costs about 41 tokens; SKILL.md has 199 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~41
When it runs · the whole SKILL.md, loaded when a task matches
~393

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 robinebers/openusage at commit 1c37176, republished under its MIT licence (© robinebers). 199 words, ~393 tokens.

Download SKILL.mdSave it as .claude/skills/macos-test-triage/SKILL.md (or your agent's skills folder).
name
macos-test-triage
description
Triage macOS tests across Xcode and SwiftPM. Use when narrowing failures, explaining assertions or crashes, or separating setup from regressions.

Test Triage

Quick Start

Use this skill to run the smallest meaningful test scope first, classify failures precisely, and avoid treating every test failure like a product bug.

Workflow

  1. Detect the test harness.

    • Use xcodebuild test for Xcode-based projects.
    • Use swift test for SwiftPM packages.

  2. Narrow the scope.

    • If the user gave a target, product, or test filter, use it.
    • If not, prefer the smallest likely failing target before a full suite.

  3. Classify the result.

    • Build failure
    • Assertion failure
    • Crash or signal
    • Async timing or flake
    • Environment or fixture setup issue
    • Missing entitlement or host app issue

  4. Rerun intelligently.

    • Use focused reruns when a specific case fails.
    • Avoid burning time on full-suite reruns without new information.

  5. Summarize clearly.

    • What command ran
    • Which tests failed
    • What kind of failure it was
    • The best next proof step or fix path

Guardrails

  • Distinguish compilation failures from test execution failures.
  • Call out when a test appears to assume iOS-only or simulator-only behavior.
  • Mark likely flakes as such instead of overstating confidence.

Output Expectations

Provide:

  • the command used
  • the smallest failing scope
  • the top failure category
  • a concise explanation of the likely cause
  • the next rerun or fix step

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

Files

Just SKILL.md in .agents/skills/macos-test-triage of robinebers/openusage.

Open the folder on GitHubat commit 1c37176

Compare with similar skills

macOS Test Triage 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.

macOS Test Triage compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
macOS Test Triage this skillrobinebers/openusage4.3k—~393Automated safety check: PassMIT
macOS Spm App PackagingDimillian/Skills4k5 repos~1.2kAutomated safety check: PassMIT
Bootstrap iOSRayFernando1337/rayfernando-skills130—~1.1kAutomated safety check: PassApache-2.0
Swift Developmentaiskillstore/marketplace433—~1.8kAutomated safety check: PassNone
Orca iOS Simulator Controlstablyai/orca89k1 repos~584Automated safety check: PassApache-2.0
Apple Crash Log .NET Symbolicationdotnet/skills5.6k1 repos~2.4kAutomated safety check: PassMIT

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Works with

Categories

Questions about macOS Test Triage

What does macOS Test Triage do?

Triage macOS tests across Xcode and SwiftPM. An agent skill from robinebers/openusage. macOS Test Triage is an agent skill from robinebers/openusage. Triage macOS tests across Xcode and SwiftPM.

When should I use macOS Test Triage?

macOS Test Triage fits situations like: narrowing failures; explaining assertions; separating setup from regressions.

How do I install macOS Test Triage in Claude Code?

Run `npx skills add robinebers/openusage --skill macos-test-triage -a claude-code`. Or copy the skill folder (.agents/skills/macos-test-triage in robinebers/openusage) into .claude/skills/macos-test-triage in your project. Claude Code loads it when a task matches its description.

How do I install macOS Test Triage in Codex?

Run `npx skills add robinebers/openusage --skill macos-test-triage -a codex`. Or copy the skill folder (.agents/skills/macos-test-triage in robinebers/openusage) into .agents/skills/macos-test-triage in your project. Codex loads it when a task matches its description.

Can I use macOS Test Triage 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 robinebers/openusage --skill macos-test-triage -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/macos-test-triage, .gemini/skills/macos-test-triage, .github/skills/macos-test-triage and .opencode/skills/macos-test-triage in your project.

What does macOS Test Triage need to run?

Going by SKILL.md and its folder, macOS Test Triage needs the command-line tools its instructions call (xcodebuild and swift).

Does macOS Test Triage 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 macOS Test Triage 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 macOS Test Triage use?

macOS Test Triage 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 macOS Test Triage use?

About 393 tokens (SKILL.md is roughly 1.6k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to macOS Test Triage?

Skills that share tags, products or a category with macOS Test Triage: macOS Spm App Packaging (Dimillian/Skills, 4k stars), Bootstrap iOS (RayFernando1337/rayfernando-skills, 130 stars), Swift Development (aiskillstore/marketplace, 433 stars) and Orca iOS Simulator Control (stablyai/orca, 89k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains macOS Test Triage?

robinebers (a GitHub user) maintains it in robinebers/openusage, which has 4,337 GitHub stars. The repository holds 25 skills in this directory. The repository was last updated on October 10, 2026.

Source: robinebers/openusage on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.