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branch-cleaner

@jMerta/codex-skills
80
0

Identify and clean up stale git branches locally and on remotes with safe, reversible steps. Use when asked to prune, list, or delete merged/old branches or audit branch hygiene.

Install Skill

1Download skill
2Enable skills in Claude

Open claude.ai/settings/capabilities and find the "Skills" section

3Upload to Claude

Click "Upload skill" and select the downloaded ZIP file

Note: Please verify skill by going through its instructions before using it.

SKILL.md

name branch-cleaner
description Identify and clean up stale git branches locally and on remotes with safe, reversible steps. Use when asked to prune, list, or delete merged/old branches or audit branch hygiene.

Branch cleaner

Goal

Safely identify stale branches and provide explicit delete/prune commands.

Inputs to confirm (ask if missing)

  • Default branch (main/master/develop).
  • Remote name (origin) and whether remote deletion is desired.
  • Safety rules: keep patterns (release/, hotfix/), minimum age, merged-only.

Workflow

  1. Sync and inspect
    • Run git fetch --prune.
    • Check git status and note uncommitted changes.
  2. Build candidate lists
    • Local merged into default: git branch --merged <base>
    • Local not merged (list only): git branch --no-merged <base>
    • Remote merged: git branch -r --merged <base>
    • Stale by date: git for-each-ref --sort=committerdate refs/heads --format="%(committerdate:short) %(refname:short)"
  3. Exclude protected branches
    • Always keep <base>, current branch, and user-provided patterns.
  4. Confirm with user
    • Present candidates grouped by local vs remote.
  5. Provide delete commands
    • Delete branches approved for deletion by the user

Optional GitHub CLI checks

  • gh pr list --state merged --base <base> to correlate merged branches.
  • gh pr view <branch> to verify status if needed.

Deliverables

  • Candidate lists and rationale.
  • Warnings for unmerged or recently updated branches.
  • Don't remove remote branches unless explicitly approved.