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/dongduong2001/pudo-code-system/frontendnpx skills add DongDuong2001/pudo-code-system --skill frontendgit clone --depth 1 https://github.com/DongDuong2001/pudo-code-systemWrote 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/dongduong2001/pudo-code-system/frontend)<a href="https://agentmods.dev/skills/dongduong2001/pudo-code-system/frontend"><img src="https://agentmods.dev/badge/skills/dongduong2001/pudo-code-system/frontend.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 | $0.00014 | $0.00167 |
| Opus 5 | $0.00007 | $0.00084 |
| Sonnet 5 | $0.00003 | $0.00033 |
| Haiku 4.5 | $0.00001 | $0.00017 |
Grade A, and why
frontend-code 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 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.
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 Code Skill
This skill specializes in browser-based development including HTML, CSS, React, Vue, Angular, etc.
When to use this skill
- When building responsive, accessible user interfaces.
- When managing client-side state and routing.
- When addressing Core Web Vitals (LCP, FID, CLS).
Guidelines
- Assume a mobile-first philosophy for responsive design.
- Semantic HTML is critical for Accessibility (a11y) and SEO. Avoid using generic
divelements when native elements apply. - Minimize main-thread blocking JavaScript to maintain 60 FPS interactions.
- Scope CSS to components (CSS Modules, CSS-in-JS, Shadow DOM) to avoid global style leaking.
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 · 20 lines · 14 tokens per session scan A e1dea4f86a38
frontend-code is a skill published in the GitHub repository DongDuong2001/pudo-code-system (5 stars, last pushed 29d ago), licensed MIT. It adds 14 tokens to every session and 167 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 2026-08-31.
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