当(when)变更新增或修改 migrations/ 下的路径时,审查 database migration 文件。合并前使用此 migration Skill 收集正向、回滚、锁定和数据安全证据。

MITAuto-check passedDatabases

Install Migration Review

skills CLI
$ npx skills add fancyboi999/ai-engineering-from-scratch-zh --skill migration-review -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install fancyboi999/ai-engineering-from-scratch-zh migration-review --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/fancyboi999/ai-engineering-from-scratch-zh.git skills-src && mkdir -p .claude/skills && cp -r skills-src/certifications/claude/lessons/19-claude-code-memory-rules-skills-and-ci/outputs/migration-review-skill .claude/skills/migration-review && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
migration-review
GitHub stars
1.2k
Token cost
~198 tokens
SKILL.md length
39 words
Files
3 (incl. scripts, references)
Skills in repo
14
Repo updated
First seen
Licence
MIT

At a glance

当(when)变更新增或修改 migrations/ 下的路径时,审查 database migration 文件。合并前使用此 migration Skill 收集正向、回滚、锁定和数据安全证据。

  • Works in 5 steps: Run python3… → 若检查器拒绝任何 migrations/ 外的路径,立即停止。 → 阅读 references/review-checklist.md。 → …
  • Tasks that involve Database migrations
  • Runs Python scripts from its folder; calls python3

What it does

Migration Review is an agent skill from fancyboi999/ai-engineering-from-scratch-zh. 当(when)变更新增或修改 migrations/ 下的路径时,审查 database migration 文件。合并前使用此 migration Skill 收集正向、回滚、锁定和数据安全证据。

Its SKILL.md is about 200 tokens, which your agent loads only when the skill is triggered. The skill folder holds 4 other files, including scripts and reference files (for example `references/review-checklist.md` and `scripts/check_scope.py`).

It sits in Databases, covering Database migrations. It works with Python. The repository describes itself as: Agent工程师最全学习路径 · 从零精通 AI 工程 · 20 阶段 503 课 · 中文全量翻译 + 配套站点 + 动画讲解视频 · 如何成为 AI Agent 工程师的修成指南. The licence is MIT.

When your agent uses it

  • Tasks that involve Database migrations

Example prompts

  • “/migration-review”

Requirements

  • Python 3
  • Pre-approved tools (allowed-tools): Read, Grep, Glob, Bash(python3 ${CLAUDE_SKILL_DIR}/scripts/check_scope.py *)

Workflow steps

5 steps, taken from the first numbered list in SKILL.md.

  1. Run python3 ${CLAUDE_SKILL_DIR}/scripts/check_scope.py $ARGUMENTS.
  2. 若检查器拒绝任何 migrations/ 外的路径,立即停止。
  3. 阅读 references/review-checklist.md。
  4. 检查每个被接受文件及其 schema 假设。
  5. 报告正向行为、回滚限制、锁风险、数据量风险、验证证据和未解决 blocker。

What it can do on your machine

Read from SKILL.md and the folder at commit d6c7b73. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves these tools, so the agent can use them without asking each time:

    • Read
    • Grep
    • Glob
    • Bash(python3 ${CLAUDE_SKILL_DIR}/scripts/check_scope.py *)

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Ships 1 file in scripts/ (Python), which the agent can run.

    Shell commands in SKILL.md call:

    • python3

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Migration Review loads about 198 tokens when it runs, and up to ~337 if it reads all its reference files. Until then it costs about 29 tokens; SKILL.md has 39 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~29
When it runs · the whole SKILL.md, loaded when a task matches
~198
With references · SKILL.md plus every file in references/, read only if the agent opens them
~337

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); the scripts in this folder are not scanned.

SKILL.md

The full file from fancyboi999/ai-engineering-from-scratch-zh at commit d6c7b73, republished under its MIT licence (© fancyboi999). 39 words, ~198 tokens.

Download SKILL.mdSave it as .claude/skills/migration-review/SKILL.md (or your agent's skills folder). This skill also uses 2 other files; get the full folder from GitHub.
name
migration-review
description
当(when)变更新增或修改 migrations/ 下的路径时,审查 database migration 文件。合并前使用此 migration Skill 收集正向、回滚、锁定和数据安全证据。
allowed-tools
Read, Grep, Glob, Bash(python3 ${CLAUDE_SKILL_DIR}/scripts/check_scope.py *)

Migration 审查

仅审查 $ARGUMENTS 指定的 migration 文件,以及验证其兼容性所需的代码。本 Skill 不授权应用 migration。

  1. Run python3 ${CLAUDE_SKILL_DIR}/scripts/check_scope.py $ARGUMENTS.
  2. 若检查器拒绝任何 migrations/ 外的路径,立即停止。
  3. 阅读 references/review-checklist.md。
  4. 检查每个被接受文件及其 schema 假设。
  5. 报告正向行为、回滚限制、锁风险、数据量风险、验证证据和未解决 blocker。

返回以下标题:Scope、Evidence、Risks、Rollback、Blockers 和 Decision。所需证据缺失时,必须使用 Decision: blocked。

随附检查器是 scripts/check_scope.py。allowed-tools 条目只为调用回合预批准该命令,不移除其它 tool,也不替代项目权限 Rule。

© fancyboi999, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 2 other files (scripts, references) in certifications/claude/lessons/19-claude-code-memory-rules-skills-and-ci/outputs/migration-review-skill of fancyboi999/ai-engineering-from-scratch-zh.

  • SKILL.md
  • references/review-checklist.md
  • scripts/check_scope.py

Open the folder on GitHubat commit d6c7b73

Compare with similar skills

Migration Review next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Migration Review compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Migration Review this skillfancyboi999/ai-engineering-from-scratch-zh1.2k—~198Automated safety check: PassMIT
Openwrt Package UpdateNethServer/nethsecurity192—~841Automated safety check: PassCustom licence
Oraclecloud Schema Migrationjeremylongshore/tons-of-skills-marketplace2.8k—~2.7kAutomated safety check: PassMIT
Saleor Django Migration Rulessaleor/saleor23k—~1.6kAutomated safety check: PassBSD-3-Clause
Database Migration Reviewrohitg00/ai-engineering-from-scratch66k—~315Automated safety check: PassMIT
Python Database Patternsaiskillstore/marketplace4331 repos~1.2kAutomated safety check: NotesNone

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Works with

Questions about Migration Review

What does Migration Review do?

当(when)变更新增或修改 migrations/ 下的路径时,审查 database migration 文件。合并前使用此 migration Skill 收集正向、回滚、锁定和数据安全证据。. Migration Review is an agent skill from fancyboi999/ai-engineering-from-scratch-zh.

When should I use Migration Review?

Migration Review fits situations like: tasks that involve Database migrations.

How do I install Migration Review in Claude Code?

Run `npx skills add fancyboi999/ai-engineering-from-scratch-zh --skill migration-review -a claude-code`. Or copy the skill folder (certifications/claude/lessons/19-claude-code-memory-rules-skills-and-ci/outputs/migration-review-skill in fancyboi999/ai-engineering-from-scratch-zh) into .claude/skills/migration-review in your project. Claude Code loads it when a task matches its description.

How do I install Migration Review in Codex?

Run `npx skills add fancyboi999/ai-engineering-from-scratch-zh --skill migration-review -a codex`. Or copy the skill folder (certifications/claude/lessons/19-claude-code-memory-rules-skills-and-ci/outputs/migration-review-skill in fancyboi999/ai-engineering-from-scratch-zh) into .agents/skills/migration-review in your project. Codex loads it when a task matches its description.

Can I use Migration Review in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add fancyboi999/ai-engineering-from-scratch-zh --skill migration-review -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/migration-review, .gemini/skills/migration-review, .github/skills/migration-review and .opencode/skills/migration-review in your project.

What does Migration Review need to run?

Going by SKILL.md and its folder, Migration Review needs Python for the scripts in its folder and the command-line tools its instructions call (python3). Our summary lists: Python 3. Its frontmatter pre-approves these tools: Read, Grep, Glob, Bash(python3 ${CLAUDE_SKILL_DIR}/scripts/check_scope.py *).

Does Migration Review access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Migration Review safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. The check reads SKILL.md only: the scripts in the folder are not scanned, so read them before running anything.

What licence does Migration Review use?

Migration Review is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Migration Review use?

About 198 tokens (SKILL.md is roughly 792 characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 139 tokens, read only when the agent opens those files.

What are the alternatives to Migration Review?

Skills that share tags, products or a category with Migration Review: Openwrt Package Update (NethServer/nethsecurity, 192 stars), Oraclecloud Schema Migration (jeremylongshore/tons-of-skills-marketplace, 2.8k stars), Saleor Django Migration Rules (saleor/saleor, 23k stars) and Database Migration Review (rohitg00/ai-engineering-from-scratch, 66k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Migration Review?

fancyboi999 (a GitHub user) maintains it in fancyboi999/ai-engineering-from-scratch-zh, which has 1,204 GitHub stars. The repository holds 14 skills in this directory. The repository was last updated on October 9, 2026.

Source: fancyboi999/ai-engineering-from-scratch-zh on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.