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 juspay/xyne-spaces --skill frontend-compositiongit clone --depth 1 https://github.com/juspay/xyne-spacesWrote 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/juspay/xyne-spaces/frontend-composition)<a href="https://agentmods.dev/skills/juspay/xyne-spaces/frontend-composition"><img src="https://agentmods.dev/badge/skills/juspay/xyne-spaces/frontend-composition/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/juspay/xyne-spaces/frontend-composition"><img src="https://agentmods.dev/badge/skills/juspay/xyne-spaces/frontend-composition.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00208 |
| Opus 5.5 | $0.00010 | $0.00083 |
| Sonnet 5.5 | $0.00005 | $0.00042 |
| Haiku 4.5 | $0.00003 | $0.00021 |
Grade A, and why
frontend-composition 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 1mo 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
Frontend composition
Deliver one complete HTML document with its CSS and JavaScript embedded. Use semantic landmarks and native controls before custom div-based widgets.
- Establish hierarchy through size, spacing, alignment, contrast, and density.
- Use CSS Grid for two-dimensional page structure and Flexbox for component alignment. Avoid absolute positioning for normal flow.
- Keep line lengths readable and controls comfortably clickable.
- Use icons only when their meaning is recognizable; label ambiguous actions.
- Provide realistic states and interactions. Every visible control should work or be clearly presented as static content.
- Prefer progressive enhancement: the document should retain useful structure if JavaScript fails.
For a node-scoped revision, locate the stable selector supplied by Design Studio. Preserve unrelated regions. For component scope, update all instances of the same component through a shared selector or rendering function.
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.
- 1mo ago First seen · 24 lines · 26 tokens per session scan A 438ce34e8361
frontend-composition is a skill published in the GitHub repository juspay/xyne-spaces (823 stars, last pushed today), licensed Apache-2.0. It adds 26 tokens to every session and 208 once invoked, about $0.0001 per session on Opus 5.5. 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 2026-08-30.
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