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 naveedharri/benai-skills --skill cloud-os-buildergit clone --depth 1 https://github.com/naveedharri/benai-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/naveedharri/benai-skills/cloud-os-builder)<a href="https://agentmods.dev/skills/naveedharri/benai-skills/cloud-os-builder"><img src="https://agentmods.dev/badge/skills/naveedharri/benai-skills/cloud-os-builder/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/naveedharri/benai-skills/cloud-os-builder"><img src="https://agentmods.dev/badge/skills/naveedharri/benai-skills/cloud-os-builder.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector warn
SkillSpector: 4 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 Agent Snooping · line 166 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 Privilege Escalation · line 158 Commands invoke sudo or root privileges. Verify this elevated access is necessary and justified.Fix: Avoid sudo/root unless strictly required. Prefer least-privilege patterns. If elevation is needed, document the justification and scope.
- medium Rogue Agent · line 711 Skill establishes unauthorized persistence across sessions via cron jobs, startup scripts, or state files. Session persistence allows an attacker to maintain access beyond the current interaction.Fix: Remove any persistence mechanisms (cron jobs, startup scripts, state files). Skills should not maintain state across sessions without explicit user consent.
- medium Agent Snooping · line 863 Skill enumerates or reads other installed skills. Access to other skills' SKILL.md files or the skills directory reveals prompt instructions, capabilities, and secrets that should be invisible to peer skills.Fix: Remove all code or instructions that list or read other skills' files or directories. Skills should operate independently; cross-skill access is a privilege escalation.
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 | $0.00000 | $0.12628 |
| Opus 5 | $0.00000 | $0.06314 |
| Sonnet 5 | $0.00000 | $0.02526 |
| Haiku 4.5 | $0.00000 | $0.01263 |
Grade B, and why
cloud-os-builder 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 11d 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.
| `references/settings-json-template.md` | `./.claude/settings.json` | How it starts
The opening of the file, as written. The whole thing — 898 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Cloud OS — Host Selection + Setup + Onboarding
USE WHEN the user runs /cloud-os-builder or asks to set up a Cloud OS, or to host their second brain in a synced cloud folder (Google Drive, OneDrive, iCloud, Dropbox).
This is the Cloud OS tier of the AIOS family. It builds the same structure the Local OS uses, but inside a synced cloud folder so it follows the user across devices — and it omits the Obsidian .obsidian/ layer (that layer does nothing without Obsidian and is the part that syncs badly on consumer cloud). This skill is self-contained: every reference template it needs lives in its own references/ folder; it does not depend on any other skill.
This is a multi-step process:
- Phase H: Host Selection — ask which cloud and confirm the exact folder path (do this FIRST)
- Phase 0: Mode Selection — ask which OS variant to create
- Phase A: Bootstrap — create the directory structure and system files inside the cloud folder (skip Obsidian-specific steps)
- Phase B: Onboarding — interview the user and personalize everything
- Phase C: Cloud Sync Setup — exact provider step-by-step + verify sync
Phase H: Host Selection (do this first)
Two questions, via AskUserQuestion (the second only if needed). This keeps each question within the 4-option limit.
H.1 — Route
Ask: "Where do you want to host your OS?" Pass both label and description:
- Notion — "Build it as a Notion workspace (pages + databases with relations + a home dashboard). You operate from inside Notion; Claude reads/writes via the Notion connector. Realtime + multiplayer, but cloud-only (no local file copy)."
- Synced cloud folder — "A plain folder synced via Google Drive, iCloud, Dropbox, or OneDrive. Real files on disk; Claude operates it directly. Single-user, with a sync delay."
Branch:
- If they pick Notion → jump to
## Notion Routenear the bottom. Skip Pre-flight, Phase A, and Phase C (those are the file route). The Notion Route reuses Phase 0 and the Phase B interview. - If they pick Synced cloud folder → continue with H.2, then Pre-flight → Phase 0 → A → B → C.
What ships with it
43 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.
- references/claude-md-context.md 2.1 KB
- references/claude-md-daily.md 1016 B
- references/claude-md-departments.md 642 B
- references/claude-md-intelligence.md 1.4 KB
- references/claude-md-onboarding.md 655 B
- references/claude-md-processes.md 826 B
- references/claude-md-projects.md 1.9 KB
- references/claude-md-resources.md 957 B
- references/claude-md-skills.md 788 B
- references/claude-md-team.md 1.7 KB
- references/claude-md-template-business.md 5.3 KB
- references/claude-md-template.md 4.3 KB
- references/claudeignore-template.md 340 B
- references/comparison.md 1.4 KB
- references/context-brand.md 2.1 KB
- references/context-business.md 382 B
- references/context-icp.md 1.3 KB
- references/context-infrastructure.md 523 B
- references/context-market.md 982 B
- references/context-me.md 1.4 KB
- references/context-operator.md 947 B
- references/context-organization.md 745 B
- references/context-pain-points.md 595 B
- references/context-services.md 729 B
- references/context-stakeholders.md 849 B
- references/context-strategy-business.md 2.0 KB
- references/context-strategy.md 1.5 KB
- references/context-team.md 538 B
- references/dropbox.md 1.1 KB
- references/gitignore-template.md 723 B
- references/google-drive.md 995 B
- references/icloud.md 899 B
- references/notion-os-skill-template.md 4.0 KB
- references/notion-template-spec.md 8.8 KB
- references/onedrive.md 1.1 KB
- references/settings-json-template.md 15 B
- references/skills-placeholder-linkedin-example.md 408 B
- references/skills-placeholder-linkedin-notes.md 691 B
- references/skills-placeholder-newsletter-example.md 503 B
- references/skills-placeholder-newsletter-strategy.md 597 B
- references/structure-spec.md 1.4 KB
- references/team-profile-template.md 542 B
- references/team-tasks-template.md 339 B
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.
- 11d ago First seen · 898 lines · 0 tokens per session scan B 30f2c8fa64e3
cloud-os-builder is a skill published in the GitHub repository naveedharri/benai-skills (61 stars, last pushed 7d ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 12,628 tokens. 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 2026-08-30.
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