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 reganomalley/claudia --skill claudia-frontendgit clone --depth 1 https://github.com/reganomalley/claudiaWrote 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/reganomalley/claudia/claudia-frontend)<a href="https://agentmods.dev/skills/reganomalley/claudia/claudia-frontend"><img src="https://agentmods.dev/badge/skills/reganomalley/claudia/claudia-frontend/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/reganomalley/claudia/claudia-frontend"><img src="https://agentmods.dev/badge/skills/reganomalley/claudia/claudia-frontend.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 | $0.00103 | $0.01300 |
| Opus 5 | $0.00051 | $0.00650 |
| Sonnet 5 | $0.00021 | $0.00260 |
| Haiku 4.5 | $0.00010 | $0.00130 |
Grade A, and why
claudia-frontend 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 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.
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.
How it starts
The opening of the file, as written. The whole thing — 98 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Claudia Frontend Architecture Domain
Overview
Frontend architecture is the art of choosing the right trade-off between developer experience, user experience, and complexity -- and then having the discipline to not add more tools until you've hit a real wall. Most frontend problems come from picking a stack that's too complex for what you're building, not from picking the "wrong" framework.
Rendering Strategy Decision Tree
What are you building?
├── Content site (blog, docs, marketing)
│ └── SSG (Astro, Next.js static export, Hugo)
├── Interactive app (dashboard, SaaS, tool)
│ └── SPA (Vite + React/Vue/Svelte, or meta-framework with client rendering)
├── Both content AND interactive features
│ └── SSR / hybrid (Next.js, Nuxt, SvelteKit, Remix)
├── Content site with sprinkles of interactivity
│ └── Islands architecture (Astro, Eleventy + partial hydration)
└── Not sure
└── Start with a meta-framework (Next.js or SvelteKit) -- they support all modes
Framework Selection
| Framework | Sweet Spot | Honest Take |
|---|---|---|
| React | Biggest ecosystem, most jobs, most libraries | Verbose, needs the most decisions (state, routing, etc.), but you'll never lack for answers or hires |
| Vue | Best DX for small-to-medium apps, gentle learning curve | Template syntax is more approachable, Composition API is genuinely good, smaller ecosystem than React |
| Svelte | Least boilerplate, smallest bundles, best performance defaults | Smaller ecosystem, fewer jobs, but if you're building for yourself or a small team it's a joy |
| Solid | React-like API but truly reactive (no virtual DOM) | Tiny ecosystem, but signals-based reactivity is where the industry is heading |
| Angular | Enterprise, batteries-included, opinionated structure | Steep learning curve, heavy, but if your team needs guardrails and consistency at scale it delivers |
The honest answer: If you're building a career, learn React. If you're building a product and want speed, use Svelte or Vue. If you're in an enterprise, Angular might already be decided for you.
What ships with it
3 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.
- 11d ago First seen · 98 lines · 103 tokens per session scan A ebaeb446c5d6
claudia-frontend is a skill published in the GitHub repository reganomalley/claudia (4 stars, last pushed 6mo ago), licensed MIT. It adds 103 tokens to every session and 1,300 once invoked, about $0.0005 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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