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 skills add rmzi/portable-dev-system --skill worktreegit clone --depth 1 https://github.com/rmzi/portable-dev-systemWrote 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/rmzi/portable-dev-system/worktree)<a href="https://agentmods.dev/skills/rmzi/portable-dev-system/worktree"><img src="https://agentmods.dev/badge/skills/rmzi/portable-dev-system/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/rmzi/portable-dev-system/worktree"><img src="https://agentmods.dev/badge/skills/rmzi/portable-dev-system/worktree.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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 | $0.00026 | $0.02693 |
| Opus 5.5 | $0.00010 | $0.01077 |
| Sonnet 5.5 | $0.00005 | $0.00539 |
| Haiku 4.5 | $0.00003 | $0.00269 |
Grade C, and why
worktree scanned grade C 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 2mo 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.
Recursive force deletehighDestructive command
rm -rf with a variable or a broad path is one typo away from removing the wrong tree.
| **Orphan** | Directory in `.worktrees/` not in `git worktree list` (broken git metadata) | `rm -rf <path>` (git doesn't know about it) | The source is not reproduced here
No licence file
A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.
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.
- 2mo ago First seen · 248 lines · 26 tokens per session scan C a643770ce071
worktree is a skill published in the GitHub repository rmzi/portable-dev-system (24 stars, last pushed 2mo ago), with no licence file. It adds 26 tokens to every session and 2,693 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it C with 1 finding (recursive force delete). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
Other skills, from other repositories
speckit.taskstoissues
Convert existing tasks into actionable, dependency-ordered GitHub issues for the feature based on available design artifacts.
release-announcement
Write a release announcement — changelog, blog post, in-app note, or social post — that leads with user impact, names the audience, and includes upgrade/migration steps without filler.
github-pr-workflow
Prepare a GitHub pull request from a feature branch — branch hygiene, commit shape, title/body, verification notes, screenshots for UI work, and replies to review comments.
agent-release-manager
Agent skill for release-manager - invoke with $agent-release-manager.
agent-repo-architect
Agent skill for repo-architect - invoke with $agent-repo-architect.
finishing-a-development-branch
Use when implementation is complete, all tests pass, and you need to decide how to integrate the work.