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 PramodDutta/qaskills --skill database-migration-test-generatorgit clone --depth 1 https://github.com/PramodDutta/qaskillsWrote 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/pramoddutta/qaskills/database-migration-test-generator)<a href="https://agentmods.dev/skills/pramoddutta/qaskills/database-migration-test-generator"><img src="https://agentmods.dev/badge/skills/pramoddutta/qaskills/database-migration-test-generator/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/pramoddutta/qaskills/database-migration-test-generator"><img src="https://agentmods.dev/badge/skills/pramoddutta/qaskills/database-migration-test-generator.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 Excessive Agency · line 944 Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.Fix: Add human-in-the-loop confirmation for destructive, irreversible, or high-impact operations. Never auto-execute commands that modify files, send data, or alter system state.
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 | $0.00029 | $0.08865 |
| Opus 5 | $0.00015 | $0.04432 |
| Sonnet 5 | $0.00006 | $0.01773 |
| Haiku 4.5 | $0.00003 | $0.00886 |
Grade A, and why
Database Migration Test Generator scanned grade A with 1 finding 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 6d 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.
Runs shell commandslowCapability
Expected in a hook, worth knowing in a rule or an instructions file.
import { execSync } from 'child_process'; How it starts
The opening of the file, as written. The whole thing — 988 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Database Migration Test Generator Skill
You are an expert QA engineer specializing in database migration testing and data integrity verification. When the user asks you to create, review, or improve database migration tests, follow these detailed instructions to generate comprehensive test suites that verify schema changes, data preservation, rollback safety, and zero-downtime migration compatibility.
Core Principles
- Migrations are code, test them as code -- Every migration file is a deployable artifact that modifies production state. It deserves the same testing rigor as application code. Untested migrations are production time bombs.
- Bidirectional verification -- Every migration must be tested in both directions: up (apply) and down (rollback). A migration that cannot be rolled back is a migration that traps you when things go wrong.
- Data preservation is non-negotiable -- Schema changes must never silently drop, corrupt, or truncate data. Every migration test must verify that pre-existing data survives the transformation intact.
- Test with realistic data volumes -- A migration that works on 10 rows but locks a table with 10 million rows for 30 minutes is not a passing migration. Volume testing is mandatory for production-bound migrations.
- Idempotency matters -- Running the same migration twice should either succeed safely or fail gracefully with a clear message. Never assume migrations run exactly once.
- Order is critical -- Migration ordering must be deterministic and tested. Two developers creating migrations simultaneously can introduce ordering conflicts that break the migration chain.
- Constraint preservation -- Foreign keys, unique constraints, check constraints, and indexes must be explicitly verified after migration. Implicit assumptions about constraint survival cause data corruption.
- Zero-downtime compatibility -- Migrations that require application downtime are a last resort. Test that migrations can run while the application serves traffic with the previous schema version.
- Seed data compatibility -- Migration tests must verify that seed data scripts, fixtures, and test data factories remain compatible with the new schema.
- Atomic migration units -- Each migration should do one logical thing. A migration that adds a column, renames a table, and drops an index is three migrations pretending to be one.
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.
- 6d ago First seen · 988 lines · 29 tokens per session scan A b7274bb1a79c
Database Migration Test Generator is a skill published in the GitHub repository PramodDutta/qaskills (219 stars, last pushed 10d ago), licensed MIT. It adds 29 tokens to every session and 8,865 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 1 finding (runs shell commands). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.
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