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Migration

Migration is an agent skill (a SKILL.md file) from JuliusBrussee/caveman. Implement reversible compatibility-safe transitions. It works with Claude Code, Codex, Gemini CLI, GitHub Copilot and OpenCode and has 115,113 GitHub stars across a repository of 4 listed skills. Install it by copying the skill folder into your agent's skills directory.

github.com/JuliusBrussee/caveman/skills/migration (opens in a new tab)

Data as of from the GitHub API and skills.sh; description from the skill's SKILL.md. Report an error

View on GitHub (opens in a new tab)View on skills.sh (opens in a new tab)

Add this skill

Claude

This repository is a Claude Code plugin marketplace. In Claude Code:

/plugin marketplace add JuliusBrussee/caveman
/plugin install caveman@caveman

In the Claude apps, zip the migration folder and upload it under Customize > Skills > + > Upload a skill (code execution must be on).

ChatGPT / Codex

Codex reads skills from .agents/skills/ in a repo or ~/.agents/skills/ for every project:

git clone --depth 1 https://github.com/JuliusBrussee/caveman.git
cp -r caveman/skills/migration .agents/skills/migration   # repo; ~/.agents/skills for all projects

Standalone skills also load in the ChatGPT desktop app.

Cursor

Cursor loads skills from .cursor/skills/ (or ~/.cursor/skills/) and also reads .claude/skills/:

git clone --depth 1 https://github.com/JuliusBrussee/caveman.git
cp -r caveman/skills/migration .cursor/skills/migration   # project; ~/.cursor/skills for all projects

Source (checked Oct 7, 2026): code.claude.com/docs/en/skills (opens in a new tab), code.claude.com/docs/en/plugin-marketplaces (opens in a new tab), support.claude.com/en/articles/12512180-using-skills-in-claude (opens in a new tab), learn.chatgpt.com/docs/build-skills (opens in a new tab), cursor.com/docs/context/skills (opens in a new tab)

What this skill does

Implement reversible compatibility-safe transitions. Use for schema, data, API, protocol, configuration, or dependency migrations requiring rollback and preservation proof. Map current readers, writers, data shape, compatibility window, and ownership before editing.

When it triggers

  • Use for schema, data, API, protocol, configuration, or dependency migrations requiring rollback and preservation proof.

More skills in JuliusBrussee/caveman

4 skills are listed from this repository.

Similar skills

More data & analysis skills

All Data & analysis

FAQ

Migration FAQ

Still curious? Email info@appsgit.com.

How do I install the Migration skill?

In Claude Code, run /plugin marketplace add JuliusBrussee/caveman and then /plugin install caveman@caveman. For Codex or Cursor, copy the migration folder into .agents/skills/ or .cursor/skills/.

Is the Migration skill free?

Yes. The repository is open source under the Apache-2.0 license.

Is Migration maintained?

The repository's most recent commit was on Oct 25, 2026. Its latest release is v4.0.1. appsgit only lists skills from repositories with a commit in the last six months.