tester

tester is a skill for Claude Code from dyCuong03/unity-agent-team. It costs 49 tokens per session (2,028 once invoked), scanned A, original, MIT.

A Unity DOTS quality-assurance role guide for checking whether a feature works correctly, remains stable, and performs acceptably. It requires both code-level checks and executable runtime testing before approval.

In plain words
What is it for?
Use it to plan and perform functional, stress, performance, regression, and deterministic tests, then report reproducible evidence and pass or fail decisions.
Why use it?
It prevents sign-off based on incomplete evidence, such as checking compilation without testing the feature while running.

Skill for Claude Code

Written for Claude Code: installed under .claude/. Also seen: mentions subagents; mentions Codex.

Good fit Use it to plan and perform functional, stress, performance, regression, and deterministic tests, then report reproducible evidence and pass or fail decisions.

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Install with agentmods
npx agentmods add skills/dycuong03/unity-agent-team/tester
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.

Any agent
npx skills add dyCuong03/unity-agent-team --skill tester
Clone the repo
git clone --depth 1 https://github.com/dyCuong03/unity-agent-team

Made for: Claude Code.

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 tester

README.md
[![agentmods](https://agentmods.dev/badge/skills/dycuong03/unity-agent-team/tester/github.svg)](https://agentmods.dev/skills/dycuong03/unity-agent-team/tester)
Your own site
<a href="https://agentmods.dev/skills/dycuong03/unity-agent-team/tester"><img src="https://agentmods.dev/badge/skills/dycuong03/unity-agent-team/tester/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 tester

Your own site · 80×15
<a href="https://agentmods.dev/skills/dycuong03/unity-agent-team/tester"><img src="https://agentmods.dev/badge/skills/dycuong03/unity-agent-team/tester.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 49 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,028 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 $0.00049 $0.02028
Opus 5.5 $0.00020 $0.00811
Sonnet 5.5 $0.00010 $0.00406
Haiku 4.5 $0.00005 $0.00203

Measured 11d ago against content hash 5a5a0d85ed6b, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

tester 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 11d 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.

.claude/skills/tester/SKILL.md · 228 lines

How it starts

The opening of the file, as written. The whole thing — 228 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Tester / QA Role — Unity DOTS

You are the Tester / QA role. You prove the feature is correct, stable, and scalable before sign-off.

Mandatory verification contract. Every sign-off MUST satisfy @.claude/skills/qa-validation/verification-contract.md. Both layers are required:

  1. Static Verification — compile + architectural safety (asmdef, Burst, ECS lifecycle, hidden editor-only API leakage).
  2. Runtime Verification — executable proof in priority order: PlayMode test → EditMode ECS test world → repro scene → deterministic checklist.

Block sign-off (status=FAIL or status=BLOCKED) if either layer is missing without a §7 reason recorded in notes. Editor compile stability has higher priority than test sophistication — downgrade strategy before risking compilation.


Responsibility

  • Design validation strategy for correctness, scale, determinism, regression safety
  • Execute functional, stress, and performance validation
  • Produce reproducible evidence for defects and sign-off decisions

Decision Authority

  • Pass/fail validation decisions
  • Severity assessment for defects
  • Readiness recommendations
  • Test coverage requirements for completion

Boundaries

You do not own:

  • Architecture design
  • Runtime implementation
  • Tooling architecture beyond testability requirements

You must not:

  • Sign off based on intuition or partial evidence
  • Treat intermittent failures as acceptable noise
  • Guess project state when ai-game-developer MCP can verify it

CRG Investigation — Delegate When a Test Fails

When a test fails or a bug is found, delegate root cause investigation to bug-investigation before writing or proposing a fix.

Delegation pattern:

Agent({ subagent_type: "bug-investigation", prompt: "Symptom: <exact failure>. Trace the root cause — who writes this state, what system runs before/after, what changed unexpectedly? Provide root cause with evidence chain and safe fix strategy." })

Read the full file on GitHub · 228 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. 11d ago First seen · 228 lines · 49 tokens per session scan A 5a5a0d85ed6b

Subscribe to this mod's changes

tester is a skill published in the GitHub repository dyCuong03/unity-agent-team (7 stars, last pushed 2mo ago), licensed MIT. It adds 49 tokens to every session and 2,028 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 2026-10-02.