test-data-manager

test-data-manager is a skill for Claude Code, Codex from dangnhit/qa-tester. It costs 38 tokens per session (576 once invoked), scanned A, original, Apache-2.0.

A QA tool for preparing, connecting, and cleaning up test data, including fixtures and references to secrets, through trusted runtime hooks.

In plain words
What is it for?
It is for setting up data-backed test runs, creating QA workflow files, running tests, and verifying the required local QA runtime.
Why use it?
It avoids ad hoc test-data setup, accidental exposure of secret values, and undeclared destructive changes. It also checks that cleanup was completed.

Skill for Claude CodeCodex

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.

agentmods
npx agentmods add skills/dangnhit/qa-tester/test-data-manager
Any agent
npx skills add dangnhit/qa-tester --skill test-data-manager
Clone the repo
git clone --depth 1 https://github.com/dangnhit/qa-tester

Made for: Claude Code, Codex.

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-data-manager

README.md
[![agentmods](https://agentmods.dev/badge/skills/dangnhit/qa-tester/test-data-manager.svg)](https://agentmods.dev/skills/dangnhit/qa-tester/test-data-manager)
Your own site
<a href="https://agentmods.dev/skills/dangnhit/qa-tester/test-data-manager"><img src="https://agentmods.dev/badge/skills/dangnhit/qa-tester/test-data-manager.svg" alt="Measured on agentmods" height="20"></a>
Per session 38 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 576 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00038 $0.00576
Opus 5 $0.00019 $0.00288
Sonnet 5 $0.00008 $0.00115
Haiku 4.5 $0.00004 $0.00058

Measured 4d ago against content hash e1ac7ab9d24c, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

test-data-manager 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.

skills/test-data-manager/SKILL.md · 34 lines

What it actually says

Test data manager

Execution kind: runtime-backed. Read safety, artifact contracts, and recovery. Declare data needs and secret references only; invoke trusted runtime hooks for setup and cleanup. Never expose secret values or run undeclared destructive actions.

Resolve the local runtime as ./node_modules/.bin/qa-skill, then qa-skill on PATH; stop with setup guidance if unavailable. Never use remote npx.

Example — full data-backed run:

QA_SKILL="${PWD}/node_modules/.bin/qa-skill"; [ -x "$QA_SKILL" ] || QA_SKILL="$(command -v qa-skill)" || exit 1
"$QA_SKILL" runtime verify --range ">=1.0.0 <2.0.0"
SOURCE_RUN_ID="$("$QA_SKILL" workflow bootstrap --root . --environment-file environment.json --requirement-file drafts/requirements.json --plan-file drafts/plan.json --test-case-file drafts/case.json --coverage-file drafts/coverage.json | node -p 'JSON.parse(require("fs").readFileSync(0, "utf8")).runId')"
"$QA_SKILL" workflow scaffold --root . --mode full --output full-workflow.json --source-root . --source-run-id "$SOURCE_RUN_ID"
"$QA_SKILL" workflow run --input full-workflow.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 runtime verify --range ">=1.0.0 <2.0.0"
$Bootstrap = (& $QaSkill workflow bootstrap --root . --environment-file environment.json --requirement-file drafts/requirements.json --plan-file drafts/plan.json --test-case-file drafts/case.json --coverage-file drafts/coverage.json | ConvertFrom-Json)
& $QaSkill workflow scaffold --root . --mode full --output full-workflow.json --source-root . --source-run-id $Bootstrap.runId
& $QaSkill workflow run --input full-workflow.json

Expected full outputs include a runtime-owned test-data-manifest, attempts, evidence, and report. Example — standalone: declare bindings and ingest planning drafts; do not run setup outside the workflow.

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. 4d ago First seen · 34 lines · 38 tokens per session scan A e1ac7ab9d24c

Subscribe to this mod's changes

test-data-manager is a skill published in the GitHub repository dangnhit/qa-tester (2 stars, last pushed 25d ago), licensed Apache-2.0. It adds 38 tokens to every session and 576 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 2026-08-31.

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