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/dapi/claude-code-marketplace/worktree-init-scriptnpx skills add dapi/claude-code-marketplace --skill worktree-init-scriptgit clone --depth 1 https://github.com/dapi/claude-code-marketplaceWhat 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 | $0.00195 | $0.00505 |
| Opus 5 | $0.00097 | $0.00253 |
| Sonnet 5 | $0.00039 | $0.00101 |
| Haiku 4.5 | $0.00019 | $0.00051 |
Grade A, and why
worktree-init-script 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.
What it actually says
Worktree Init Script
Extends superpowers:using-git-worktrees -- after creating a worktree, runs ./init.sh if the script exists in the project root.
Core principle: Project-specific initialization via a single script replaces auto-detect heuristics.
When to Use
Automatically activates when:
using-git-worktreesis invoked- Project root contains executable
init.sh
Integration with using-git-worktrees
Modifies step "Run Project Setup":
Instead of auto-detecting by package.json/Cargo.toml:
-
Check for
init.sh:[ -x ./init.sh ] && echo "init.sh found" -
If
init.shexists and is executable -- run it:./init.sh -
If
init.shdoes not exist -- fall back to standardusing-git-worktreeslogic
Quick Reference
| Situation | Action |
|---|---|
init.sh exists and executable |
Run ./init.sh |
init.sh does not exist |
Standard setup (npm/cargo/etc) |
init.sh fails |
Report error, ask whether to continue |
Template
A ready-made template is available at templates/init.sh in this plugin (mise, submodules, envrc, direnv).
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 · 60 lines · 195 tokens per session scan A 1d6381de9005
worktree-init-script is a skill published in the GitHub repository dapi/claude-code-marketplace (16 stars, last pushed 4mo ago), licensed MIT. It adds 195 tokens to every session and 505 once invoked, about $0.0010 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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