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 JoshuaOliphant/claude-plugins --skill setupgit clone --depth 1 https://github.com/JoshuaOliphant/claude-pluginsWrote 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/joshuaoliphant/claude-plugins/setup)<a href="https://agentmods.dev/skills/joshuaoliphant/claude-plugins/setup"><img src="https://agentmods.dev/badge/skills/joshuaoliphant/claude-plugins/setup/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/joshuaoliphant/claude-plugins/setup"><img src="https://agentmods.dev/badge/skills/joshuaoliphant/claude-plugins/setup.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 | $0.00113 | $0.02942 |
| Opus 5.5 | $0.00045 | $0.01177 |
| Sonnet 5.5 | $0.00023 | $0.00588 |
| Haiku 4.5 | $0.00011 | $0.00294 |
Grade B, and why
setup 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 today.
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.json`, keeping everything else there. Plugins synced from claude.ai can 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
8 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.
- today Changed · +11 lines 21d3ffde6ad4
- 4d ago Changed · +12 lines · +10 tokens per session b216cc076c22
- 5d ago Changed · +24 lines · +3 tokens per session 8d88c7fe8857
- 23d ago First seen · 111 lines · 100 tokens per session scan B ec1d815ebcde
setup is a skill published in the GitHub repository JoshuaOliphant/claude-plugins (7 stars, last pushed today), with no licence file. It adds 113 tokens to every session and 2,942 once invoked, about $0.0005 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 2026-09-25.
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