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 skills-il/developer-tools --skill hyperframes-best-practicesgit clone --depth 1 https://github.com/skills-il/developer-toolsWrote 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/skills-il/developer-tools/hyperframes-best-practices)<a href="https://agentmods.dev/skills/skills-il/developer-tools/hyperframes-best-practices"><img src="https://agentmods.dev/badge/skills/skills-il/developer-tools/hyperframes-best-practices/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/skills-il/developer-tools/hyperframes-best-practices"><img src="https://agentmods.dev/badge/skills/skills-il/developer-tools/hyperframes-best-practices.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 | $0.00147 | $0.09024 |
| Opus 5.5 | $0.00059 | $0.03610 |
| Sonnet 5.5 | $0.00029 | $0.01805 |
| Haiku 4.5 | $0.00015 | $0.00902 |
Grade A, and why
hyperframes-best-practices 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 16d 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 — 337 lines — stays where its author put it; the contents beside it link to each section on GitHub.
HyperFrames Best Practices
Adapted from the upstream HyperFrames skill at heygen-com/hyperframes (Apache-2.0). Hebrew and RTL adaptations by skills-il.
HTML is the source of truth for video. A composition is an HTML file with data-* attributes for timing, a GSAP timeline for animation, and CSS for appearance. The framework handles clip visibility, media playback, and timeline sync.
Problem
Building HTML-based videos with Hebrew text requires declaring a Hebrew Google font in a form the linter accepts (no Hebrew family is pre-bundled), explicit dir="rtl" on Hebrew containers, mirrored GSAP entrance directions, and Hebrew caption sync via Whisper, none of which HyperFrames documents out of the box. Hebrew voiceover is a separate gap: the local Kokoro fallback does not support Hebrew (its SUPPORTED_LANGS tuple holds 9 locales: en-us, en-gb, es, fr-fr, hi, it, pt-br, ja, zh), so Hebrew narration must come from a cloud TTS provider: the media-use audio engine (automatic order HeyGen Starfish, then ElevenLabs, then Kokoro; Gemini TTS, whose language table lists Hebrew, is an explicit "provider": "gemini" choice outside that order), or any external service whose file you import as an <audio> element. The hyperframes tts command itself is local-only and has no provider argument.
Hebrew and RTL
What ships with it
50 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.
- CHANGELOG.md 11 KB
- data-in-motion.md 1.2 KB
- evidence.json 58 KB
- house-style.md 4.5 KB
- LICENSE 11 KB
- metadata.json 2.7 KB
- optimization-log.json 11 KB
- palettes/bold-energetic.md 417 B
- palettes/clean-corporate.md 410 B
- palettes/dark-premium.md 389 B
- palettes/jewel-rich.md 394 B
- palettes/monochrome.md 454 B
- palettes/nature-earth.md 399 B
- palettes/neon-electric.md 380 B
- palettes/pastel-soft.md 392 B
- palettes/warm-editorial.md 411 B
- patterns.md 2.7 KB
- references/audio-reactive.md 3.0 KB
- references/captions.md 6.9 KB
- references/css-patterns.md 8.1 KB
- references/domain-checklist.md 23 KB
- references/dynamic-techniques.md 6.7 KB
- references/hebrew-rtl.md 16 KB
- references/layout-before-animation.md 2.9 KB
- references/motion-principles.md 3.8 KB
- references/transcript-guide.md 8.1 KB
- references/transitions.md 11 KB
- references/transitions/catalog.md 6.6 KB
- references/transitions/css-3d.md 421 B
- references/transitions/css-blur.md 1.7 KB
- references/transitions/css-cover.md 1.4 KB
- references/transitions/css-destruction.md 4.3 KB
- references/transitions/css-dissolve.md 2.4 KB
- references/transitions/css-distortion.md 1.8 KB
- references/transitions/css-grid.md 367 B
- references/transitions/css-light.md 2.3 KB
- references/transitions/css-mechanical.md 1.6 KB
- references/transitions/css-other.md 838 B
- references/transitions/css-push.md 1.2 KB
- references/transitions/css-radial.md 1.0 KB
- references/transitions/css-scale.md 715 B
- references/tts.md 2.8 KB
- references/typography.md 11 KB
- scripts/animation-map-sampling.mjs 1.4 KB runs code
- scripts/animation-map.mjs 23 KB runs code
- scripts/contrast-report.mjs 26 KB runs code
- scripts/package-loader.mjs 11 KB runs code
- scripts/test/contrast-report.regression.mjs 5.0 KB runs code
- SKILL_HE.md 38 KB
- visual-styles.md 9.6 KB
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.
- 16d ago Changed · -110 lines scan C → A e7aeddd0bcd2
- 1mo ago First seen · 447 lines · 147 tokens per session scan C 9f3a7fedb40d
hyperframes-best-practices is a skill published in the GitHub repository skills-il/developer-tools (13 stars, last pushed 3d ago), licensed MIT. It adds 147 tokens to every session and 9,024 once invoked, about $0.0006 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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