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 tosin2013/helmdeck --skill helmdeck-hyperframes-authoringgit clone --depth 1 https://github.com/tosin2013/helmdeckWrote 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/tosin2013/helmdeck/helmdeck-hyperframes-authoring)<a href="https://agentmods.dev/skills/tosin2013/helmdeck/helmdeck-hyperframes-authoring"><img src="https://agentmods.dev/badge/skills/tosin2013/helmdeck/helmdeck-hyperframes-authoring/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/tosin2013/helmdeck/helmdeck-hyperframes-authoring"><img src="https://agentmods.dev/badge/skills/tosin2013/helmdeck/helmdeck-hyperframes-authoring.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 | $0.00132 | $0.03453 |
| Opus 5.5 | $0.00053 | $0.01381 |
| Sonnet 5.5 | $0.00026 | $0.00691 |
| Haiku 4.5 | $0.00013 | $0.00345 |
Grade A, and why
helmdeck-hyperframes-authoring 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.
How it starts
The opening of the file, as written. The whole thing — 264 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Hyperframes authoring — render-deterministic rules
When you write composition HTML/CSS/JS for hyperframes, the renderer seeks to each frame index rather than playing the timeline forward. Anything that depends on continuous wall-clock time, animation history, or post-paint DOM mutation breaks during seek — even if it looks perfect in hyperframes preview. Upstream tracks this as "the hardest class of bug in agent-authored compositions". The rules below collapse to one principle: everything must be reconstructible from the timeline's current totalTime() alone.
Before you write any composition: the four rules to remember
- One GSAP timeline per composition, registered synchronously, keyed by
data-composition-id. - Layout in HTML/CSS (final visible state); animate with
gsap.from()into that state. - No
setTimeout,setInterval,requestAnimationFrame,repeat: -1, or post-paint DOM mutation. - All assets local (no Google Fonts CDN, no S3 URLs, no jsdelivr except GSAP itself).
The structural contract
Timeline registration
Every composition ends its <script> with this exact shape:
const tl = gsap.timeline({ paused: true });
// ... synchronous tl.from() / tl.to() / tl.addLabel() calls ...
window.__timelines = window.__timelines || {};
window.__timelines["<composition-id>"] = tl; // ← KEY MUST EQUAL data-composition-id ATTRIBUTE
The <composition-id> key MUST exactly match the data-composition-id attribute on the composition's root <div>. If they differ, the timeline is registered but never auto-attached to the parent — the composition renders as static last-frame.
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 · 264 lines · 132 tokens per session scan A 08838a84d077
helmdeck-hyperframes-authoring is a skill published in the GitHub repository tosin2013/helmdeck (5 stars, last pushed 1mo ago), licensed Apache-2.0. It adds 132 tokens to every session and 3,453 once invoked, about $0.0005 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 2026-08-31.
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