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 skills add dangnhit/qa-tester --skill testcase-designergit clone --depth 1 https://github.com/dangnhit/qa-testerWrote 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/dangnhit/qa-tester/testcase-designer)<a href="https://agentmods.dev/skills/dangnhit/qa-tester/testcase-designer"><img src="https://agentmods.dev/badge/skills/dangnhit/qa-tester/testcase-designer/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/dangnhit/qa-tester/testcase-designer"><img src="https://agentmods.dev/badge/skills/dangnhit/qa-tester/testcase-designer.svg" alt="Reviewed on agentmods" width="80" 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 5.1 | $0.00036 | $0.00412 |
| Opus 5.5 | $0.00014 | $0.00165 |
| Sonnet 5.5 | $0.00007 | $0.00082 |
| Haiku 4.5 | $0.00004 | $0.00041 |
Grade A, and why
testcase-designer scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
Testcase designer
Execution kind: agent-authored. Read artifact contracts, safety, and browser adapters. Draft bounded test-case artifacts with stable selectors and declared side effects; leave unsupported browser work to the runtime.
Resolve ./node_modules/.bin/qa-skill, then qa-skill on PATH. Stop if unavailable and never use remote npx. Import completed testcase drafts only as part of an atomic planning bootstrap.
Example — add a case:
QA_SKILL="${PWD}/node_modules/.bin/qa-skill"; [ -x "$QA_SKILL" ] || QA_SKILL="$(command -v qa-skill)" || exit 1
"$QA_SKILL" workflow bootstrap --root . --environment-file environment.json --requirement-file drafts/requirements.json --plan-file drafts/plan.json --test-case-file drafts/login-case.json --coverage-file drafts/coverage.json
PowerShell:
$QaSkill = Join-Path $PWD "node_modules/.bin/qa-skill.cmd"
if (-not (Test-Path $QaSkill)) { $QaSkill = (Get-Command qa-skill -ErrorAction Stop).Source }
& $QaSkill workflow bootstrap --root . --environment-file environment.json --requirement-file drafts/requirements.json --plan-file drafts/plan.json --test-case-file drafts/login-case.json --coverage-file drafts/coverage.json
Example — standalone: bootstrap the complete planning bundle and validate the terminal plan profile.
Example — full run: register approved cases, scaffold full-workflow.json from the returned source run ID, then run it.
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.
- 1mo ago First seen · 30 lines · 36 tokens per session scan A 40d0e1f438ab
testcase-designer is a skill published in the GitHub repository dangnhit/qa-tester (3 stars, last pushed 2mo ago), licensed Apache-2.0. It adds 36 tokens to every session and 412 once invoked, about $0.0001 per session on Opus 5.5. 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 2026-08-31.
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