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 cafe3310/public-agent-skills --skill oneshot-websitegit clone --depth 1 https://github.com/cafe3310/public-agent-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/cafe3310/public-agent-skills/oneshot-website)<a href="https://agentmods.dev/skills/cafe3310/public-agent-skills/oneshot-website"><img src="https://agentmods.dev/badge/skills/cafe3310/public-agent-skills/oneshot-website/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/cafe3310/public-agent-skills/oneshot-website"><img src="https://agentmods.dev/badge/skills/cafe3310/public-agent-skills/oneshot-website.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 | $0.00048 | $0.01358 |
| Opus 5 | $0.00024 | $0.00679 |
| Sonnet 5 | $0.00010 | $0.00272 |
| Haiku 4.5 | $0.00005 | $0.00136 |
Grade A, and why
oneshot-website 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 12d 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 — 151 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Oneshot Website
Generate a stunning, self-contained single-file HTML website -- fully immersive, scroll-driven, cinematic. No external images, no build step. Drop into CodePen or push to Vercel as-is.
Inspired by high-end digital brand experiences and the kind of creative coding that makes people say "this was done in one shot?"
When to invoke
Use when:
- Demonstrating an LLM's creative + technical range for writeups or articles
- Creating a stunning demo to embed in a CodePen
- Producing a portfolio piece or proof-of-concept landing page
- Showing off one-shot generation capabilities
The Generation Prompt
When this skill is invoked, generate the full HTML file using this master approach:
Write complete HTML, CSS, and JavaScript in a single self-contained file for an immersive, cinematic website about [THEME].
The site must feel like a living brand experience -- sections that breathe as you scroll, typography that has weight and presence, and atmosphere you can almost feel.
Theme Selection
If no theme is specified, choose one from the repertoire in references/themes.md that hasn't been recently used. Never default to clockwork, clocks, or time-perception themes.
Recommended defaults (rotate through these):
- Elegant restaurant storefront -- dark marble, candlelight, menu sections appearing like courses being served
- Luxury perfume house -- mist particles, scent notes drifting, amber and obsidian palette
- Antiquarian bookshop at night -- warm amber light, floating text fragments, vellum textures in CSS
- Deep sea research station -- bioluminescent creatures via canvas, pressure gauge UI, midnight blue
- Jazz club and vinyl lounge -- smoke rings via SVG, waveform visualizations, sepia and amber
Technical Constraints (NON-NEGOTIABLE)
- Single file: All HTML, CSS, JS in one
.htmlfile - No external images: Use CSS gradients, SVG inline art, Canvas API, or unicode/emoji symbols only
- No CDN dependencies for core visuals (Google Fonts via @import is acceptable)
- No frameworks: Vanilla JS only. No React, Vue, Alpine, etc.
- Static: Must work as a static file (no server-side logic)
- Self-hostable: Drop into Vercel as
index.htmlor paste into CodePen
What ships with it
2 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.
- 12d ago First seen · 151 lines · 48 tokens per session scan A b86117470df8
oneshot-website is a skill published in the GitHub repository cafe3310/public-agent-skills (253 stars, last pushed 2mo ago), licensed Apache-2.0. It adds 48 tokens to every session and 1,358 once invoked, about $0.0002 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 2026-08-30.
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