git-worktree

git-worktree is a skill for Claude Code from aegntic/compound-engineering. It costs 39 tokens per session (2,145 once invoked), scanned A, a copy of git-worktree, MIT.

A Git worktree manager for creating separate working folders from one repository, so branches can be developed or reviewed in parallel.

In plain words
What is it for?
Use it to create, list, switch between, and clean up worktrees when working on several branches or reviewing changes separately.
Why use it?
It avoids mixing files and changes between tasks. It also keeps setup consistent by handling ignored folders and copying environment files into new worktrees.

Skill for Claude Code

Written for Claude Code: ${CLAUDE_PLUGIN_ROOT} variable. Also seen: model in frontmatter; mentions Claude Code; mentions Codex.

Runs only inside a plugin — its command needs a path that Claude Code sets for a plugin’s own hooks and for nothing else, and the catalogue could not identify which plugin ships it.

Good fit Use it to create, list, switch between, and clean up worktrees when working on several branches or reviewing changes separately.

Compare 6 skills from other repositories ↓
Install

Getting it into your agent

There is no command for this one: it runs only inside a plugin, and the catalogue could not identify which plugin ships it. The source is linked below.

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for git-worktree

README.md
[![agentmods](https://agentmods.dev/badge/skills/aegntic/compound-engineering/git-worktree/github.svg)](https://agentmods.dev/skills/aegntic/compound-engineering/git-worktree)
Your own site
<a href="https://agentmods.dev/skills/aegntic/compound-engineering/git-worktree"><img src="https://agentmods.dev/badge/skills/aegntic/compound-engineering/git-worktree/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for git-worktree

Your own site · 80×15
<a href="https://agentmods.dev/skills/aegntic/compound-engineering/git-worktree"><img src="https://agentmods.dev/badge/skills/aegntic/compound-engineering/git-worktree.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 39 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,145 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin 88% copy Near-identical to another mod in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00039 $0.02145
Opus 5.5 $0.00016 $0.00858
Sonnet 5.5 $0.00008 $0.00429
Haiku 4.5 $0.00004 $0.00215

Measured 1mo ago against content hash c5213e35158b, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

git-worktree scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/worktree-manager.sh), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

Origin

This is a copy

88% identical to git-worktree — 11 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

skills/git-worktree/SKILL.md · 312 lines

How it starts

The opening of the file, as written. The whole thing — 312 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Git Worktree Manager

This skill provides a unified interface for managing Git worktrees across your development workflow. Whether you're reviewing PRs in isolation or working on features in parallel, this skill handles all the complexity.

What This Skill Does

  • Create worktrees from main branch with clear branch names
  • List worktrees with current status
  • Switch between worktrees for parallel work
  • Clean up completed worktrees automatically
  • Interactive confirmations at each step
  • Automatic .gitignore management for worktree directory
  • Automatic .env file copying from main repo to new worktrees

CRITICAL: Always Use the Manager Script

NEVER call git worktree add directly. Always use the worktree-manager.sh script.

The script handles critical setup that raw git commands don't:

  1. Copies .env, .env.local, .env.test, etc. from main repo
  2. Ensures .worktrees is in .gitignore
  3. Creates consistent directory structure
# ✅ CORRECT - Always use the script
bash ${CLAUDE_PLUGIN_ROOT}/skills/git-worktree/scripts/worktree-manager.sh create feature-name

# ❌ WRONG - Never do this directly
git worktree add .worktrees/feature-name -b feature-name main

When to Use This Skill

Use this skill in these scenarios:

  1. Code Review (/workflows:review): If NOT already on the target branch (PR branch or requested branch), offer worktree for isolated review
  2. Feature Work (/workflows:work): Always ask if user wants parallel worktree or live branch work
  3. Parallel Development: When working on multiple features simultaneously
  4. Cleanup: After completing work in a worktree

How to Use

In Claude Code Workflows

The skill is automatically called from /workflows:review and /workflows:work commands:

# For review: offers worktree if not on PR branch
# For work: always asks - new branch or worktree?

Manual Usage

You can also invoke the skill directly from bash:

# Create a new worktree (copies .env files automatically)
bash ${CLAUDE_PLUGIN_ROOT}/skills/git-worktree/scripts/worktree-manager.sh create feature-login

# List all worktrees
bash ${CLAUDE_PLUGIN_ROOT}/skills/git-worktree/scripts/worktree-manager.sh list

# Switch to a worktree
bash ${CLAUDE_PLUGIN_ROOT}/skills/git-worktree/scripts/worktree-manager.sh switch feature-login

# Copy .env files to an existing worktree (if they weren't copied)
bash ${CLAUDE_PLUGIN_ROOT}/skills/git-worktree/scripts/worktree-manager.sh copy-env feature-login

# Clean up completed worktrees
bash ${CLAUDE_PLUGIN_ROOT}/skills/git-worktree/scripts/worktree-manager.sh cleanup

Read the full file on GitHub · 312 lines

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 1mo ago First seen · 312 lines · 39 tokens per session scan A c5213e35158b

Subscribe to this mod's changes

git-worktree is a skill published in the GitHub repository aegntic/compound-engineering (2 stars, last pushed 4mo ago), licensed MIT. It adds 39 tokens to every session and 2,145 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 0 findings. It is 88% identical to git-worktree, differing in 11 lines, and is treated as a copy.

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