Laravel Migration Safety Review SKILL.md skillA
Laravel Migration Safety Review from s977043/river-review is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add s977043/river-review/Laravel Migration Safety Review@v0.1.0Pins v0.1.0 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- s977043/river-review
- Path
skills/upstream/laravel-migration-safety/SKILL.md- Versions recorded
- 4
- Latest version
- v0.1.0, committed Jul 14, 2026
- First version recorded
- Jun 29, 2026
- Size
- 3,354 bytes
- Repository stars
- 7
- License
- MIT
Reviews Laravel migrations for destructive operations, change() dropping modifiers, locking index creation on large tables (PostgreSQL), and asymmetric down().
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
## Pattern declaration Primary pattern: Reviewer Secondary patterns: Inversion Why: migration の破壊的・ロック誘発操作をチェックリスト型で検査する ## Goal / 目的 - `change()` による修飾子の意図しない消失（公式: 保持したい修飾子をすべて再指定しないと消える）を検出する。 - 破壊的操作（dropColumn 等）と、大規模テーブルでのロック誘発 index 追加を検出する。 ## Non-goals / 扱わないこと - データモデル設計の妥当性（`data-model-db-design` のスコープ）。 - アプリ側クエリ効率（`laravel-eloquent-nplus1` のスコープ）。 ## Pre-execution Gate / 実行前ゲート このスキルは以下の条件が**すべて**満たされない限り`NO_REVIEW`を返す。 - [ ] 差分に `database/migrations/` 配下の追加変更が含まれている - [ ] diff コンテキストが利用可能である ゲート不成立時の出力: `NO_REVIEW: laravel-migration-safety — migration の変更なし` ## False-positive guards / 抑制条件 - 新規テーブル作成（`Schema::create`）内の index 追加はロック問題がないため指摘しない。 - `down()` の非対称は、データ変換系 migration で完全な逆操作が不可能なケースが正当（コメントで明示があれば許容）。 - `dropColumn` が「別 PR で deprecate 済みカラムの計画的削除」と明示されている場合は指摘しない。 ## Rule / ルール - `change()` 時は保持したい修飾子（`unsigned` / `default` / `comment` / `nullable` 等）をすべて再指定する。 - `dropColumn` / `Schema::drop` 等の破壊的操作は影響とロールバック不能性を確認する（本番 `--force` 実行に注意）。 - PostgreSQL の大規模テーブルへの index 追加は `->online()`（`CREATE INDEX CONCURRENTLY`）を検討する。併せてトランザクション外実行が必要な副作用も指摘する。 - `down()` は `up()` の逆操作として整合させる。 ## Evidence / 根拠の取り方 …
Read the whole file at its exact version.
How to install
mdr add s977043/river-review/Laravel Migration Safety Review@sha256:b842cfb2693cb878The line at the top of this page pins the label v0.1.0, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_o6a5ltjiazc75yqk)
4 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 4 versions of this file, between Jun 29, 2026 and Jul 14, 2026, about one every 5 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| v0.1.0 latest | 2026-07-14 | 3a84021 | 3,354 B | A | view · diff |
| v0.1.0 | 2026-07-01 | 3696771 | 3,341 B | A | view · diff |
| v0.1.0 | 2026-06-29 | 45e66bc | 3,374 B | A | view · diff |
| v0.1.0 | 2026-06-29 | b988700 | 3,390 B | A | view |
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (3354 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
s977043/river-review · 7 stars · license MIT · pushed 2026-11-08 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_o6a5ltjiazc75yqk GET https://markdownregistry.com/api/v1/resolve?ref=s977043/river-review/Laravel Migration Safety Review GET https://markdownregistry.com/api/v1/blob/b842cfb2693cb878ce0e650911f876fdc0ac09197c2ffa5b924d128f02c9b3f7
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