Agent skill
safe-editing
Ensure AI agents work in an isolated Git worktree to prevent changes to the main working directory. Use when AI is about to make its first code modification in a session, or when the user requests isolated/safe editing. Triggers include starting to edit files, implementing features, or fixing bugs.
Install this agent skill to your Project
npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/development/safe-editing-nozomi-koborinai-koborin-ai
SKILL.md
Safe Editing
Use Git worktree to isolate AI-driven changes from the main working directory.
Trigger Conditions
Activate this skill when:
- AI is about to make its first code modification in the current session
- User explicitly requests safe/isolated editing
- Starting a new feature implementation or bug fix
Workflow
1. Check Current State
git rev-parse --show-toplevel
git worktree list
git status --porcelain
Verify:
- In a Git repository
- No uncommitted changes in main directory
- Not already in a worktree
If uncommitted changes exist, ask user how to proceed (stash, commit, or abort).
2. Determine Branch Name
Analyze the task and generate a branch name:
| Task Type | Branch Format | Example |
|---|---|---|
| New feature | feature/<scope>-<summary> |
feature/auth-add-oauth |
| Bug fix | fix/<scope>-<summary> |
fix/api-null-pointer |
| Refactor | refactor/<scope>-<summary> |
refactor/utils-cleanup |
| Docs | docs/<summary> |
docs/update-readme |
- Use lowercase kebab-case
- Translate Japanese to English
- Keep concise but descriptive
3. Create Worktree
Use the gwt alias (defined in .zshrc):
gwt <branch-name>
This creates:
- New branch:
<branch-name> - Worktree at:
../git-worktrees/<repo-name>-<branch-name>
4. Navigate to Worktree
cd ../git-worktrees/<repo-name>-<branch-name>
Confirm the switch:
pwd
git branch --show-current
5. Perform Changes
Execute the requested modifications in the worktree directory. All file edits, creations, and deletions happen here.
6. Commit, Push, and Create PR
Use the commit-push-pr skill to:
- Stage and commit changes
- Push to remote
- Create pull request
7. Cleanup (After PR Merge)
Once the PR is merged, clean up the worktree:
cd <original-repo-path>
gwtr ../git-worktrees/<repo-name>-<branch-name>
Quick Reference
| Alias | Command | Purpose |
|---|---|---|
gwt <branch> |
git worktree add ../git-worktrees/<repo>-<branch> -b <branch> |
Create worktree |
gwtl |
git worktree list |
List worktrees |
gwtr <path> |
git worktree remove <path> |
Remove worktree |
Notes
- Always confirm with user before creating worktree
- If worktree already exists for the task, reuse it
- Keep main directory clean for other work
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