Getting it into your agent
It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.
git clone --depth 1 https://github.com/FlorianBruniaux/claude-code-pluginsnpx agentmods add skills/florianbruniaux/claude-code-plugins/git-worktreeWrote 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.
[](https://agentmods.dev/skills/florianbruniaux/claude-code-plugins/git-worktree)<a href="https://agentmods.dev/skills/florianbruniaux/claude-code-plugins/git-worktree"><img src="https://agentmods.dev/badge/skills/florianbruniaux/claude-code-plugins/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.
<a href="https://agentmods.dev/skills/florianbruniaux/claude-code-plugins/git-worktree"><img src="https://agentmods.dev/badge/skills/florianbruniaux/claude-code-plugins/git-worktree.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector warn
SkillSpector: 8 findings, up to high
These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →
- high Privilege Escalation · line 199 Code accesses credential files (SSH keys, AWS credentials, etc.). This could indicate credential theft attempts.Fix: Remove references to credential paths. Use environment variables or secrets managers. For docs, use placeholder paths (e.g., /path/to/config). Never load .env or token files in production code paths.
- high Privilege Escalation · line 209 Code accesses credential files (SSH keys, AWS credentials, etc.). This could indicate credential theft attempts.Fix: Remove references to credential paths. Use environment variables or secrets managers. For docs, use placeholder paths (e.g., /path/to/config). Never load .env or token files in production code paths.
- high Privilege Escalation · line 256 Code accesses credential files (SSH keys, AWS credentials, etc.). This could indicate credential theft attempts.Fix: Remove references to credential paths. Use environment variables or secrets managers. For docs, use placeholder paths (e.g., /path/to/config). Never load .env or token files in production code paths.
- high Privilege Escalation · line 210 Code accesses credential files (SSH keys, AWS credentials, etc.). This could indicate credential theft attempts.Fix: Remove references to credential paths. Use environment variables or secrets managers. For docs, use placeholder paths (e.g., /path/to/config). Never load .env or token files in production code paths.
- high Privilege Escalation · line 211 Code accesses credential files (SSH keys, AWS credentials, etc.). This could indicate credential theft attempts.Fix: Remove references to credential paths. Use environment variables or secrets managers. For docs, use placeholder paths (e.g., /path/to/config). Never load .env or token files in production code paths.
- high Agent Snooping · line 212 Skill reads from agent configuration directories (.claude/, .codex/, .gemini/). These directories may contain API keys, personal settings, and other credentials that the skill has no legitimate need to access.Fix: Remove all code or instructions that access agent configuration directories (.claude/, .codex/, .gemini/). If configuration values are needed, pass them explicitly as parameters or environment variabl
- medium MCP Rug Pull · line 155 npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.Fix: Pin the version: npx @scope/[email protected]
- medium MCP Rug Pull · line 161 npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.Fix: Pin the version: npx @scope/[email protected]
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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00015 | $0.02008 |
| Opus 5.5 | $0.00006 | $0.00803 |
| Sonnet 5.5 | $0.00003 | $0.00402 |
| Haiku 4.5 | $0.00002 | $0.00201 |
Grade B, and why
git-worktree scanned grade B with 1 finding 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.
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.
Reads agent configuration directoriesmediumAgent snooping
.claude/, .codex/, .gemini/ hold keys, settings and other credentials a mod has no legitimate need for.
**/.claude/settings.local.json Copies of this mod
1 near-identical copy found in the catalogue:
- git-worktree — 100% identical, 0 lines differ
How it starts
The opening of the file, as written. The whole thing — 273 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Git Worktree Setup
Create isolated git worktrees for feature development without switching branches.
Core principle: Smart directory selection + symlink optimization + background verification = fast, reliable isolation.
Requires: Git 2.5.0+ (July 2015)
Companion commands: /git-worktree-status | /git-worktree-remove | /git-worktree-clean
Process
- Validate Branch Name: Check naming convention and conflicts
- Check Existing Directories:
.worktrees/orworktrees/ - Verify .gitignore: Ensure worktree dir is ignored
- Create Worktree:
git worktree add - Symlink Dependencies: Reuse
node_modules/from main worktree - Detect Database Provider: Check for DB branching capability
- Install Dependencies: Auto-detect package manager (if not symlinking)
- Run Background Verification: Type check + tests in background
- Report Location: Confirm ready with status
Flags
| Flag | Effect |
|---|---|
--fast |
Skip dependency install and baseline tests |
--isolated |
Fresh node_modules install (no symlink) |
--skip-install |
Skip dependency install, keep baseline tests |
Branch Name Validation
# Auto-prefix based on naming convention
# "auth" → "feat/auth" (default prefix)
# "fix/login-bug" → kept as-is
# "refactor/db-layer" → kept as-is
# Accepted prefixes: feat/, fix/, refactor/, chore/, docs/, test/, perf/
# If no prefix → default to feat/
# Reject invalid characters
echo "$BRANCH_NAME" | grep -qE '^[a-zA-Z0-9/_-]+$' || exit 1
# Check branch doesn't already exist
git show-ref --verify --quiet "refs/heads/$BRANCH_NAME" && echo "Branch already exists" && exit 1
Directory Selection
Priority Order
# 1. Check existing directories
ls -d .worktrees 2>/dev/null # Preferred (hidden)
ls -d worktrees 2>/dev/null # Alternative
# 2. Check CLAUDE.md for preference
grep -i "worktree.*director" CLAUDE.md 2>/dev/null
# 3. Ask user if neither exists
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.
- 1mo ago First seen · 273 lines · 15 tokens per session scan B ea118092d5f4
git-worktree is a skill published in the GitHub repository FlorianBruniaux/claude-code-plugins (42 stars, last pushed 1mo ago), licensed MIT. It adds 15 tokens to every session and 2,008 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it B with 1 finding (reads agent configuration directories). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-04.
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