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 maystudios/claude-skills --skill seedancegit clone --depth 1 https://github.com/maystudios/claude-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/maystudios/claude-skills/seedance)<a href="https://agentmods.dev/skills/maystudios/claude-skills/seedance"><img src="https://agentmods.dev/badge/skills/maystudios/claude-skills/seedance/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/maystudios/claude-skills/seedance"><img src="https://agentmods.dev/badge/skills/maystudios/claude-skills/seedance.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 | $0.00195 | $0.02177 |
| Opus 5 | $0.00097 | $0.01089 |
| Sonnet 5 | $0.00039 | $0.00435 |
| Haiku 4.5 | $0.00019 | $0.00218 |
Grade A, and why
seedance 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 9d 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 — 100 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Seedance 2.0 — Prompting & Capabilities
Seedance 2.0 (ByteDance Seed team, launched Feb 2026) is a multimodal audio-video model: it takes text, images, audio, and video in a single call and generates a 4–15s clip with native synchronized audio (dialogue + lip-sync, sound effects, ambient, music) in the same pass.
Core mental model — this drives every decision below: Seedance 2.0 is a physics and cinematography simulator you direct like a film crew, not a mood board you brainstorm with adjectives. It renders physical interactions ("tires smoke as the car pivots on wet asphalt") and directorial language ("slow dolly-in", "golden-hour rim light"). It does not render vague adjectives ("cinematic", "epic", "amazing"). Write shot directions, not vibes.
Capabilities at a glance
| Mode | Input | Use it for |
|---|---|---|
| Text-to-video (T2V) | prompt only | Generating a scene from scratch |
| Image-to-video (I2V) | 1 start image + prompt | Animating an existing still |
| First-and-last frame | 2 images (first_frame+last_frame) + prompt |
Controlled transitions / reveals / before-after |
| Reference-to-video (R2V) | 1–9 images + ≤3 videos + ≤3 audio (max 12 files) + prompt | Character/style/motion/object consistency, voice, "omni" composition |
| Multi-shot | prompt with a shot list / timeline | A short narrative (up to ~6 shots) in one 15s generation |
| Video-extend | prior clip + prompt | Continuing past 15s by chaining |
Native specs: 480p/720p native (1080p and native 4K on hosting platforms), 4–15s, 24 fps, aspect ratios auto, 21:9, 16:9, 4:3, 1:1, 3:4, 9:16. Audio is on by default (generate_audio: true), at no extra cost. Full specs, access routes, model IDs, pricing, and the raw API request shape are in references/access-and-specs.md — read it when the user asks how to call/access the model or needs exact limits.
The universal prompt formula
Order matters: the model reads left-to-right and weights the front most heavily. The first 2–3 instructions land reliably; adherence drops after ~8 requirements. Front-load subject and action.
What ships with it
4 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.
- 9d ago First seen · 100 lines · 195 tokens per session scan A 1ae235468f72
seedance is a skill published in the GitHub repository maystudios/claude-skills (22 stars, last pushed 24d ago), licensed MIT. It adds 195 tokens to every session and 2,177 once invoked, about $0.0010 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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