Getting it into your agent
It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.
git clone --depth 1 https://github.com/seed-forge/harness-ai-kitnpx agentmods add skills/seed-forge/harness-ai-kit/devlab-test-expertWrote 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/seed-forge/harness-ai-kit/devlab-test-expert)<a href="https://agentmods.dev/skills/seed-forge/harness-ai-kit/devlab-test-expert"><img src="https://agentmods.dev/badge/skills/seed-forge/harness-ai-kit/devlab-test-expert/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/seed-forge/harness-ai-kit/devlab-test-expert"><img src="https://agentmods.dev/badge/skills/seed-forge/harness-ai-kit/devlab-test-expert.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector warn
SkillSpector: 1 finding, up to medium
These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →
- medium MCP Rug Pull · line 237 npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.Fix: Pin the version: npx @scope/[email protected]
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 | $0.00040 | $0.03510 |
| Opus 5.5 | $0.00016 | $0.01404 |
| Sonnet 5.5 | $0.00008 | $0.00702 |
| Haiku 4.5 | $0.00004 | $0.00351 |
Grade A, and why
devlab-test-expert 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.
How it starts
The opening of the file, as written. The whole thing — 387 lines — stays where its author put it; the contents beside it link to each section on GitHub.
AI 驱动测试 - 最佳实践专家知识库
这是企业级测试团队的共享知识中枢。
聚合最佳实践、反模式预警、故障排除手册等专家知识，供所有测试子技能调用。
触发条件
当用户提到以下关键词时触发此 Skill：
- "测试最佳实践" / "testing best practices"
- "常见陷阱" / "antipatterns"
- "验收标准怎么写" / "acceptance criteria examples"
- "性能测试怎么做" / "performance testing guide"
- "Flaky test 治理" / "flaky test tactics"
知识领域索引
📚 测试方法论
| Reference | 主题 | 适用场景 |
|---|---|---|
| testing-maturity-model | 测试能力成熟度模型 | 组织评估 |
| shift-left-testing-strategies | 左移测试策略 | 流程改进 |
| test-data-management-best-practices | 测试数据管理 | 数据准备 |
| test-automation-pyramid | 自动化测试金字塔 | 架构设计 |
| property-based-testing | 属性测试模式（fast-check / Hypothesis / jqwik） | 随机数据、性质验证、最小反例 |
| ai-service-test-tiering | AI 服务测试分级隔离 | marker 分级 + opt-in 开关 + 环境隔离 |
🎯 前端专项
| Reference | 主题 | 适用场景 |
|---|---|---|
| ui-selection-stability | 选择器稳定性指南 | Web E2E |
| component-testing-patterns | 组件测试模式 | Vue/React |
| visual-regression-guide | 视觉回归测试 | UI 变更 |
| a11y-testing-checklist | 可访问性测试清单 | WCAG 合规 |
🔧 后端/API 专项
| Reference | 主题 | 适用场景 |
|---|---|---|
| api-testing-complete-guide | API 测试完整指南 | REST/GraphQL |
| authn-authz-testing | 身份认证授权测试 | 安全测试 |
| schema-validation-patterns | Schema 验证模式 | OpenAPI |
| rate-limiting-tests | 限流降级测试 | 高可用 |
🛡️ 运维与质量
| Reference | 主题 | 适用场景 |
|---|---|---|
| flaky-test-detection | Flaky Test 检测与治理 | CI/CD |
| test-performance-benchmarking | 测试性能基准 | 性能工程 |
| code-coverage-deep-dive | 代码覆盖率深度分析 | 质量门禁 |
| security-testing-integration | 安全测试集成 | AppSec |
What ships with it
8 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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 · 387 lines · 40 tokens per session scan A ff70dfea4ec4
devlab-test-expert is a skill published in the GitHub repository seed-forge/harness-ai-kit (25 stars, last pushed 1mo ago), licensed Apache-2.0. It adds 40 tokens to every session and 3,510 once invoked, about $0.0002 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 2026-08-30.
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