database-migration

Execute database migrations across ORMs and platforms with zero-downtime strategies, data transformation, and rollback procedures. Use when migrating databases, changing schemas, performing data transformations, or implementing zero-downtime deployment strategies.

Quality

82%

Does it follow best practices?

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Securityby

Passed

No findings from the security scan

Quality

Content

65%

Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.

The content is highly actionable with executable migration code across multiple ORMs, but it is padded with generic boilerplate, lacks explicit validation checkpoints in its destructive workflows, and promises reference files that do not exist in the bundle. Tightening the generic sections and adding real, well-split reference files would materially raise the score.

Suggestions

Remove or specialize the generic "Do not use this skill when" and "Instructions" sections, which read as boilerplate applicable to any skill and do not earn their tokens.

Add explicit validation/verification checkpoints (e.g. test on staging, verify row counts, confirm rollback succeeds) between the phases of the destructive zero-downtime and column-rename workflows, not just inside the single checkpoint-rollback example.

Create the referenced bundle files (references/orm-switching.md, references/schema-migration.md, references/data-transformation.md, references/rollback-strategies.md, assets/schema-migration-template.sql, assets/data-migration-script.py, scripts/test-migration.sh) or remove the dead links, and move the large inline code blocks into them so SKILL.md stays a lean overview.

Dimension	Reasoning	Score
Conciseness	The body is mostly concrete code without basic-concept padding, but the generic "Do not use this skill when" and "Instructions" sections plus repetitive queryInterface patterns across sections are boilerplate that could be tightened.	2 / 3
Actionability	It provides fully executable, copy-paste-ready migration code with real commands (e.g. "npx sequelize-cli db:migrate", "npx prisma migrate dev --name create_users", "npm run typeorm migration:revert") across Sequelize, TypeORM, and Prisma.	3 / 3
Workflow Clarity	Multi-step processes (zero-downtime phases, column-rename steps) are sequenced, but the destructive database workflows lack explicit validation checkpoints/feedback loops between steps, which the rubric caps at 2 for database operations despite one checkpoint-rollback example.	2 / 3
Progressive Disclosure	Sections are well-labeled and a Resources section signals references with descriptions, but every referenced bundle file (references/.md, assets/, scripts/*) is absent and the heavy content that should be split remains inline in SKILL.md.	2 / 3
	Total	9 / 12 Passed

Description

100%

Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.

The description is specific, uses natural trigger terms, and explicitly covers both what the skill does and when to invoke it with an explicit Use-when clause. It carves a clear, low-conflict niche around ORM/platform database migrations.

Dimension	Reasoning	Score
Specificity	The description lists multiple concrete actions—"Execute database migrations across ORMs and platforms", "zero-downtime strategies, data transformation, and rollback procedures"—matching the anchor for several specific concrete actions rather than just naming a domain.	3 / 3
Completeness	It explicitly answers both what ("Execute database migrations...") and when via an explicit "Use when..." clause, satisfying the highest anchor and avoiding the missing-trigger cap of 2.	3 / 3
Trigger Term Quality	The "Use when migrating databases, changing schemas, performing data transformations, or implementing zero-downtime deployment strategies" clause provides good coverage of natural terms a user would actually say, not just technical jargon.	3 / 3
Distinctiveness Conflict Risk	The database-migration-across-ORMs niche with zero-downtime/rollback triggers is clearly distinct and unlikely to fire for unrelated skills.	3 / 3
	Total	12 / 12 Passed

Validation

93%

Warnings & errors only

Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.

Validation — 15 / 16 Passed

Validation for skill structure

Criteria	Description	Result
referenced_paths_exist	Referenced path issues: 7 missing	Warning

	Total	15 / 16 Passed

Repository: rmyndharis/antigravity-skills
Path: skills/database-migration/SKILL.md
Commit: e63f7dd

Reviewed: about 4 hours ago

Table of Contents

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