seedance-prompt-short

seedance-prompt-short is a skill for Claude Code from anymouschina/TapCanvas. It costs 63 tokens per session (828 once invoked), scanned A, original, MIT.

A compact prompt-writing skill for Seedance, a system that generates short videos from instructions and reference media. It preserves the important parts of a video brief while removing unnecessary wording.

In plain words
What is it for?
Use it to shorten Seedance 2.x prompts, write compact Chinese prompts, or remove filler from an existing request.
Why use it?
It helps when a prompt must fit a short word range without losing the subject, action, camera direction, lighting, sound, or constraints. It also helps preserve continuity when a clip continues an earlier sequence.

Skill for Claude Code

Written for Claude Code: user-invocable in frontmatter. Also seen: built for openclaw.

Good fit Use it to shorten Seedance 2.x prompts, write compact Chinese prompts, or remove filler from an existing request.

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Install with agentmods
npx agentmods add skills/anymouschina/tapcanvas/seedance-prompt-short
Install

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.

Any agent
npx skills add anymouschina/TapCanvas --skill seedance-prompt-short
Clone the repo
git clone --depth 1 https://github.com/anymouschina/TapCanvas

Made for: Claude Code.

Wrote 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.

agentmods badge for seedance-prompt-short

README.md
[![agentmods](https://agentmods.dev/badge/skills/anymouschina/tapcanvas/seedance-prompt-short/github.svg)](https://agentmods.dev/skills/anymouschina/tapcanvas/seedance-prompt-short)
Your own site
<a href="https://agentmods.dev/skills/anymouschina/tapcanvas/seedance-prompt-short"><img src="https://agentmods.dev/badge/skills/anymouschina/tapcanvas/seedance-prompt-short/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.

agentmods 80×15 button for seedance-prompt-short

Your own site · 80×15
<a href="https://agentmods.dev/skills/anymouschina/tapcanvas/seedance-prompt-short"><img src="https://agentmods.dev/badge/skills/anymouschina/tapcanvas/seedance-prompt-short.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 63 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 828 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00063 $0.00828
Opus 5.5 $0.00025 $0.00331
Sonnet 5.5 $0.00013 $0.00166
Haiku 4.5 $0.00006 $0.00083

Measured 1mo ago against content hash 40c51f9ed7fc, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

seedance-prompt-short 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.

apps/agents-cli/skills/seedance-20/skills/seedance-prompt-short/SKILL.md · 62 lines

How it starts

The opening of the file, as written. The whole thing — 62 lines — stays where its author put it; the contents beside it link to each section on GitHub.

seedance-prompt-short

Compress Seedance prompts without losing the production signal. A short prompt still needs mode, subject, action, camera, light, sound when useful, and constraints. Remove filler before removing physical details.

Surface reference contract: literal @Image1/@Video1/@Audio1 strings in historical examples are Seedance 2.0 surface syntax. Use only exact tokens supplied by the user or active structured surface. For Seedance 2.5 without token mapping, use neutral asset-role names in a conditional plan or the active structured reference fields during execution; never invent a tag.

When sequence state is present, compression must preserve continuity locks, exact reference tags, actual opening state, current clip action, endpoint, completed beat exclusions, and reserved future beats. Do not compress away the words that keep a continuation from replaying completed action or leaking future action.

Intent

Compression is an act of judgment about what the user loves most. What survives the cut is the soul of their shot; everything else goes first. If the user would mourn a deleted word, it was never filler.

Compression Priority

Preserve in this order:

  1. Reference tags and their role.
  2. Subject or product identity.
  3. Action verb and visible endpoint.
  4. One camera move.
  5. Physical light source or atmosphere.
  6. Audio cue or silence instruction.
  7. Safety, IP, or continuity constraint.
  8. Sequence state clauses: actual opening state, continuity locks, completed beats, and reserved beats.

Delete generic adjectives, duplicate style labels, obvious background details, secondary camera moves, and secondary actions before deleting preservation constraints.

For bilingual or mixed-language compression, load [ref:multilingual-community-examples]. Keep only the language mix that clarifies reference roles, dialogue, camera terms, or safe production constraints.

Compact Templates

Need Template
T2V [Subject] [action and endpoint] in [scene]. Camera: [one move]. Light/style: [physical source]. Sound: [cue]. Constraint: [risk/continuity].
I2V [exact active image-reference token or neutral asset name] is preserved; only [motion/light/camera] changes. Camera: [one move]. Sound: [cue]. Constraint: [what must not change].
V2V [exact active video-reference token or neutral asset name] controls [motion/camera/timing] only; new subject [anchor]. [Action]. Do not transfer [identity/scene/logo].
Chinese [活动 surface 提供的精确图像引用 token,或中性资产名]为参考,严格保持[主体]不变;仅加入[动作/光线/镜头]。声音:[提示]。

Read the full file on GitHub · 62 lines

Changes

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.

  1. 1mo ago First seen · 62 lines · 63 tokens per session scan A 40c51f9ed7fc

Subscribe to this mod's changes

seedance-prompt-short is a skill published in the GitHub repository anymouschina/TapCanvas (686 stars, last pushed today), licensed MIT. It adds 63 tokens to every session and 828 once invoked, about $0.0003 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 2026-09-21.

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