Code Change Undo Revert Skill for Codex
Undo or revert code changes safely. Use when the user asks to undo, revert, roll back, restore, recover, go back, remove recent changes, or compare current work against a previous checkpoint.
Install
one command, takes just this skill from the repositorynpx skills add https://github.com/TheGoat395/Codex-Skills --skill code-change-undo-revertThe instruction itself
4 sections, as written by the authorCode Change Undo And Revert
Use this skill when the user wants to go back safely. The job is to identify what changed, preserve user work, and choose the least destructive undo path.
Trigger
Use when the user says:
- undo
- revert
- roll back
- restore
- recover
- go back to before
- remove your changes
- bring back deleted code
- compare against the checkpoint
Workflow
- Inspect the current state.
- Run
git status --short --branchwhen in a git repo. - Review changed files before reverting anything.
- Identify whether changes are yours, the user's, generated output, or mixed.
- Choose the safest target.
- If the user wants only your latest edits undone, revert only those files or hunks.
- If the user wants a branch or commit reverted, inspect the commit range first.
- If a local backup exists, compare backup files before copying anything back.
- Avoid broad destructive commands.
- Do not run
git reset --hard,git clean -fd, or branch deletion unless explicitly requested and confirmed. - Do not remove untracked files until you know they are safe to delete.
- Do not overwrite user edits mixed into a file unless the user approves.
- Apply the revert.
- Prefer
git restore path/to/filefor clearly scoped tracked files. - Prefer patch-level edits when user and assistant changes are mixed.
- Prefer copying from a timestamped backup only for files known to belong to the requested rollback.
- Verify and report.
- Run relevant tests, builds, or diff checks when possible.
- Summarize what was restored, what remains changed, and any files intentionally left alone.
User Communication
Be explicit:
- what checkpoint or commit you are reverting to
- which files will change
- which files contain user changes and are being preserved
- which commands were run
- how to inspect the result
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How to use it
Take thegoat395/code-change-undo-revert from the repository into ~/.claude/skills for personal
use, or into .claude/skills inside a project.
The agent identifies a skill by the name field in its header. Two skills with the
same name cannot sit side by side — one of them will be ignored.