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 jxoesneon/Ciel --skill ciel-security-and-designgit clone --depth 1 https://github.com/jxoesneon/CielWrote 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/jxoesneon/ciel/ciel-security-and-design)<a href="https://agentmods.dev/skills/jxoesneon/ciel/ciel-security-and-design"><img src="https://agentmods.dev/badge/skills/jxoesneon/ciel/ciel-security-and-design/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/jxoesneon/ciel/ciel-security-and-design"><img src="https://agentmods.dev/badge/skills/jxoesneon/ciel/ciel-security-and-design.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 | $0.00018 | $0.00509 |
| Opus 5 | $0.00009 | $0.00254 |
| Sonnet 5 | $0.00004 | $0.00102 |
| Haiku 4.5 | $0.00002 | $0.00051 |
Grade A, and why
ciel-security-and-design 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 8d 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
CIEL ADAPTATION: Security & Design (The Integrity Layer)
This skill manages the structural integrity of both value (Solidity) and appearance (Design Systems).
Solidity Security (DeFi)
- CEI Mandate: Checks-Effects-Interactions. Always update state BEFORE external calls.
- Reentrancy: Use
nonReentrantguards on all entry points handling token transfers. - Share Math: NEVER use
balanceOf(address(this))directly for shares. track internal_totalAssets. - Oracle Safety: Spot prices are manipulable. Use TWAP (Time-Weighted Average Price).
Design Systems
- Tokens First: Define primitive tokens (Colors, Spacing, Typography) in JSON/CSS vars early.
- Hierarchy: Enforce a clear
h1->h2->bodyhierarchy. Prohibit random hex values. - Consistency Audit: Similar elements (Buttons, Modals) MUST look identical across all pages.
- AI Slop Detection: Flag and remove purple-to-blue gradients, purposeless "glass morphism," and excessive rounded corners.
Visual Accessibility
- Contrast: Target WCAG AA (4.5:1) for all text.
- States: Every interactive element MUST have distinct Hover, Focus, and Active states.
Anti-Patterns
- Naked CSS: Adding styles directly to components instead of using design tokens.
- naive mulDiv: Performing
a * b / cin Solidity without checking for overflow. - The Gradient Trap: Using AI-suggested defaults instead of a cohesive brand palette.
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.
- 8d ago First seen · 51 lines · 18 tokens per session scan A 6ec3a7a512a0
ciel-security-and-design is a skill published in the GitHub repository jxoesneon/Ciel (1 stars, last pushed 4d ago), licensed Apache-2.0. It adds 18 tokens to every session and 509 once invoked, about $0.0001 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 2026-09-03.
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