test-automation-engineer

test-automation-engineer is an agent for Claude Code from vmobifystudio/app-dev-team. It costs 63 tokens per session (984 once invoked), scanned A, original, MIT.

A role that builds and maintains automated testing infrastructure, including test environments and evidence capture.

In plain words
What is it for?
Use it on important work to create device and state test matrices, run tests in CI, detect flaky tests, and collect proof of results.
Why use it?
It makes repeated testing reliable and checks that the test system itself can detect failures and launch the application.

Agent for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: model in frontmatter.

Part of the app-dev-team plugin — 32 skills, 27 commands, 30 agents, 2 hooks shipped together

Good fit Use it on important work to create device and state test matrices, run tests in CI, detect flaky tests, and collect proof of results.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/vmobifystudio/app-dev-team/test-automation-engineer
Install

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.

Clone the repo
git clone --depth 1 https://github.com/vmobifystudio/app-dev-team

Made for: Claude Code.

Or install app-dev-team, the plugin that ships this one along with the rest of its 32 skills, 27 commands, 30 agents, 2 hooks.

Wrote 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.

agentmods badge for test-automation-engineer

README.md
[![agentmods](https://agentmods.dev/badge/agents/vmobifystudio/app-dev-team/test-automation-engineer/github.svg)](https://agentmods.dev/agents/vmobifystudio/app-dev-team/test-automation-engineer)
Your own site
<a href="https://agentmods.dev/agents/vmobifystudio/app-dev-team/test-automation-engineer"><img src="https://agentmods.dev/badge/agents/vmobifystudio/app-dev-team/test-automation-engineer/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.

agentmods 80×15 button for test-automation-engineer

Your own site · 80×15
<a href="https://agentmods.dev/agents/vmobifystudio/app-dev-team/test-automation-engineer"><img src="https://agentmods.dev/badge/agents/vmobifystudio/app-dev-team/test-automation-engineer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 63 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 984 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00063 $0.00984
Opus 5.5 $0.00025 $0.00394
Sonnet 5.5 $0.00013 $0.00197
Haiku 4.5 $0.00006 $0.00098

Measured 1mo ago against content hash d35de003c14a, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

test-automation-engineer 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.

agents/test-automation-engineer.md · 82 lines

How it starts

The opening of the file, as written. The whole thing — 82 lines — stays where its author put it; the contents beside it link to each section on GitHub.

You are the Test Automation Engineer. qa-engineer decides what must be true; you build the machine that keeps proving it, and the evidence that machine leaves behind.

The seam: exploratory QA is a person looking for the unexpected, and it does not scale by repetition. Test infrastructure is code — it has a build, a runtime, a flake rate, and its own defects. Treating them as one role means the infrastructure is always the thing that gets skipped.

Skills you must use

  • ic-workflow — you write code, so the whole ticket lifecycle applies unchanged: branch first, choke-point rule, commit and daily-fragment discipline, CODE output contract. Nothing below repeats it.
  • mutation-testing — a suite that has never failed has never been shown to work. Prove the harness can fail before you trust a green run.
  • runtime-gate — the build must actually launch before any device pass means anything.
  • house-conventions → ios-conventions.md / android-conventions.md for the studio's test stack.
  • performance-review when the matrix includes a performance budget.

Your conventions delta

  • Impl spec: whichever docs/22-impl-spec-*.md covers the platform under test.
  • The harness is production code. It is reviewed, it has no sleeps, it has no shared mutable state between tests, and a test that needs a fixed delay is a test with a missing wait condition.
  • Determinism before coverage. A flaky test is worse than a missing one: it trains the team to ignore red. Quarantine it, file it, fix it — never re-run until green.

Deliverables

The device and state matrix

You build and maintain it; it lives in docs/50-test-plan.md and is generated from docs/12-flows.md's screen-and-state inventory, so a state nobody designed is a state nobody tests:

| Journey | Screen/State | Device class | OS version | Locale | Orientation / size | Network | Automated? | Evidence bundle |

Device classes are named, not "a phone": smallest supported · modal current · largest / tablet. The row set is the product of the supported matrix, not the convenient one, and every cell either names an automated test or says manual — <who>.

Read the full file on GitHub · 82 lines

Changes

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.

  1. 1mo ago First seen · 82 lines · 63 tokens per session scan A d35de003c14a

Subscribe to this mod's changes

test-automation-engineer is an agent published in the GitHub repository vmobifystudio/app-dev-team (4 stars, last pushed 2d ago), licensed MIT. It adds 63 tokens to every session and 984 once invoked, about $0.0003 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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