Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add skills/roberto-mello/lavra/git-worktreenpx skills add roberto-mello/lavra --skill git-worktreegit clone --depth 1 https://github.com/roberto-mello/lavraWhat 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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00029 | $0.02131 |
| Opus 5 | $0.00015 | $0.01066 |
| Sonnet 5 | $0.00006 | $0.00426 |
| Haiku 4.5 | $0.00003 | $0.00213 |
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 2d ago.
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.
How it starts
The opening of the file, as written. The whole thing — 308 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:
- Copies
.env,.env.local,.env.test, etc. from main repo - Ensures
.worktreesis in.gitignore - 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:
- Code Review (
/workflows:review): If NOT already on the target branch (PR branch or requested branch), offer worktree for isolated review - Feature Work (
/workflows:work): Always ask if user wants parallel worktree or live branch work - Parallel Development: When working on multiple features simultaneously
- 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
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.
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.
- 2d ago First seen · 308 lines · 29 tokens per session scan A 384230288f9b
git-worktree is a skill published in the GitHub repository roberto-mello/lavra (50 stars, last pushed 2mo ago), licensed MIT. It adds 29 tokens to every session and 2,131 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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