Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add skills/robinebers/openusage/test-macos-appnpx skills add robinebers/openusage --skill test-macos-appgit clone --depth 1 https://github.com/robinebers/openusageWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/robinebers/openusage/test-macos-app)<a href="https://agentmods.dev/skills/robinebers/openusage/test-macos-app"><img src="https://agentmods.dev/badge/skills/robinebers/openusage/test-macos-app.svg" alt="Measured on agentmods" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00039 | $0.00248 |
| Opus 5 | $0.00019 | $0.00124 |
| Sonnet 5 | $0.00008 | $0.00050 |
| Haiku 4.5 | $0.00004 | $0.00025 |
Grade A, and why
test-macos-app scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 4d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
Test macOS App
Run the smallest meaningful macOS test scope first and explain failures by category.
Arguments
scheme: Xcode scheme name (optional)target: test target or product name (optional)filter: test filter expression (optional)configuration:DebugorRelease(optional, default:Debug)
Workflow
- Detect whether the repo uses
xcodebuild testorswift test. - Prefer focused test execution when a target or filter is provided.
- Classify failures as compile, assertion, crash, env/setup, or flake.
- Summarize the top blocker and the narrowest sensible next step.
Guardrails
- Avoid rerunning the full suite if a focused rerun is possible.
- Distinguish build failures from actual failing tests.
- Note when host app setup or simulator-only test assumptions leak into a macOS run.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 4d ago First seen · 30 lines · 39 tokens per session scan A ec899c585dbc
test-macos-app is a skill published in the GitHub repository robinebers/openusage (3,975 stars, last pushed 2d ago), licensed MIT. It adds 39 tokens to every session and 248 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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