benefriches: Skill for Claude Code

.claude/skills/worktree-merge/SKILL.md

worktree-merge is a skill for Claude Code from incubateur-ademe/benefriches. It costs 39 tokens per session (382 once invoked), scanned A, original, MIT.

Instructions for finishing work in a Git worktree, an extra working directory connected to a repository branch. It can merge the branch into main or remove the worktree and branch without merging.

In plain words
What is it for?
Use it when deciding how to finish a worktree: merge its changes into main, or remove the worktree and branch as abandoned work.
Why use it?
It gives a defined cleanup process after isolated work is complete, reducing the chance of leaving unused worktrees or branches behind.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter. Also seen: names the AskUserQuestion tool.

This is incubateur-ademe/benefriches's own configuration. It tells Claude Code how to work on benefriches itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything benefriches configures →

Reuse

Borrowing it

Nothing to install: this file belongs to incubateur-ademe/benefriches. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/incubateur-ademe/benefriches/main/.claude/skills/worktree-merge/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/incubateur-ademe/benefriches

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 worktree-merge

README.md
[![agentmods](https://agentmods.dev/badge/skills/incubateur-ademe/benefriches/worktree-merge/github.svg)](https://agentmods.dev/skills/incubateur-ademe/benefriches/worktree-merge)
Your own site
<a href="https://agentmods.dev/skills/incubateur-ademe/benefriches/worktree-merge"><img src="https://agentmods.dev/badge/skills/incubateur-ademe/benefriches/worktree-merge/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 worktree-merge

Your own site · 80×15
<a href="https://agentmods.dev/skills/incubateur-ademe/benefriches/worktree-merge"><img src="https://agentmods.dev/badge/skills/incubateur-ademe/benefriches/worktree-merge.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 382 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. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
Origin original No closer match found 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 $0.00382
Opus 5 $0.00019 $0.00191
Sonnet 5 $0.00008 $0.00076
Haiku 4.5 $0.00004 $0.00038

Measured 13d ago against content hash 3be31315e406, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

worktree-merge 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 13d 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.

.claude/skills/worktree-merge/SKILL.md · 60 lines

What it actually says

Worktree Cleanup

Merge a completed worktree branch into main, remove the worktree directory, and delete the branch.

Instructions

Step 1: List active worktrees

Run git worktree list and parse the output to find all worktrees except the main one.

If there are no worktrees to clean up, tell the user and stop.

Step 2: Ask user which worktree to clean up

Use the AskUserQuestion tool to present the list of active worktrees as options. Show the branch name and directory path in each option.

Step 3: Confirm merge strategy

Use AskUserQuestion to ask whether to:

  1. Merge into main — merge the branch into main before cleanup
  2. Remove only — just remove the worktree and branch without merging (for abandoned work)

Step 4: Execute cleanup

If merging:
# 1. Ensure we're on main and up to date
git checkout main

# 2. Merge the branch
git merge --ff-only <branch-name>

# 3. Remove worktree and delete branch
scripts/remove-worktree.sh <branch-name> --delete-branch
If removing without merge:
# Remove worktree and delete branch
scripts/remove-worktree.sh <branch-name> --delete-branch

Step 5: Report result

Show what was done: merged (if applicable), worktree removed, branch deleted.

Arguments

$ARGUMENTS

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. 13d ago First seen · 60 lines · 39 tokens per session scan A 3be31315e406

Subscribe to this mod's changes

worktree-merge is a skill published in the GitHub repository incubateur-ademe/benefriches (45 stars, last pushed 4d ago), licensed MIT. It adds 39 tokens to every session and 382 once invoked, about $0.0002 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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