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/rknall/claude-skills/stack-creatornpx skills add rknall/claude-skills --skill stack-creatorgit clone --depth 1 https://github.com/rknall/claude-skillsWrote 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/rknall/claude-skills/stack-creator)<a href="https://agentmods.dev/skills/rknall/claude-skills/stack-creator"><img src="https://agentmods.dev/badge/skills/rknall/claude-skills/stack-creator.svg" alt="Measured on agentmods" 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 | $0.00041 | $0.06304 |
| Opus 5 | $0.00020 | $0.03152 |
| Sonnet 5 | $0.00008 | $0.01261 |
| Haiku 4.5 | $0.00004 | $0.00630 |
Grade B, and why
GitLab Stack Creator 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 5d 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.
Asks for rootmediumPrivilege escalation
A mod that escalates privileges can change anything on the machine, not only the project.
2. Fix with: `sudo chown -R $USER:$USER .` 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 ships with it
5 files 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.
- 5d ago First seen · 1,103 lines · 41 tokens per session scan B 22fd3394c4ec
GitLab Stack Creator is a skill published in the GitHub repository rknall/claude-skills (67 stars, last pushed 10mo ago), with no licence file. It adds 41 tokens to every session and 6,304 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it B with 1 finding (asks for root). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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