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motion-choreographer

motion-choreographer is a skill for Claude Code, Codex from event4u-app/agent-config. It costs 47 tokens per session (2,031 once invoked), scanned A, original, MIT.

A prompt-writing guide for turning an approved still image and scene plan into instructions for a video-generation tool.

In plain words
What is it for?
Use it to create or retune motion prompts for Veo, Kling, Sora, or another adapter after a still and scene blueprint are approved.
Why use it?
It helps keep camera movement, subject action, background motion, physical behavior, and optional sound direction consistent when changing video providers.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Needs its repository: it reads a path above its own folder, which exists only inside the repository. The line is [`adapter-contract.md`](../../../scripts/media/lib/adapter-contract.md);.

not rated 10repo today A scan 47 tokens original MIT

Good fit Use it to create or retune motion prompts for Veo, Kling, Sora, or another adapter after a still and scene blueprint are approved.

Compare 6 skills from other repositories ↓
View source ↗ event4u-app/agent-config event4u.app
Install

Getting it into your agent

It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.

Clone the repo
git clone --depth 1 https://github.com/event4u-app/agent-config
agentmods
npx agentmods add skills/event4u-app/agent-config/motion-choreographer

Made for: Claude Code, Codex.

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agentmods badge for motion-choreographer

README.md
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agentmods 80×15 button for motion-choreographer

Your own site · 80×15
<a href="https://agentmods.dev/skills/event4u-app/agent-config/motion-choreographer"><img src="https://agentmods.dev/badge/skills/event4u-app/agent-config/motion-choreographer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 47 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,031 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 $0.00047 $0.02031
Opus 5 $0.00023 $0.01015
Sonnet 5 $0.00009 $0.00406
Haiku 4.5 $0.00005 $0.00203

Measured 8d ago against content hash ce2824481242, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

motion-choreographer 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 8d 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.

src/skills/motion-choreographer/SKILL.md · 207 lines

How it starts

The opening of the file, as written. The whole thing — 207 lines — stays where its author put it; the contents beside it link to each section on GitHub.

motion-choreographer

Turn an approved still + the 12-block scene blueprint into a provider-tuned motion prompt that the target video adapter consumes. Camera choreography, primary subject motion, secondary environment motion, physics constraints, and — when the adapter declares audio: native — a synchronized audio direction block. Reads adapter capabilities from adapter-contract.md; never speaks to a network API.

When to use

  • An image is locked (operator picked one candidate via operator-pick.sh) and the next step is motion + audio direction for the video adapter.
  • The blueprint exists in scenes/<id>/blueprint.json but the motion prompt has not been emitted yet.
  • A provider switch (Veo → Kling, Sora → Higgsfield) requires the same scene retuned for the new adapter's capability profile.

Do NOT use when:

  • The blueprint is still prose only — run scene-expander → parse-blueprint.sh first.
  • No still has been locked — the operator-selection checkpoint must complete first.
  • The output is a still graphic — canvas-design.

Procedure

Step 0: Inspect

  1. Read scenes/<id>/blueprint.json — fail loud if missing.
  2. Read scenes/<id>/selection.json — fail loud if missing; the locked image path is required as the motion anchor.
  3. Read the target adapter's capability via scripts/ai-video/adapters/<id>.sh capability. Cache audio=* for Step 3.
  4. If a character.json lock exists, load it verbatim — identity tokens are immutable.
  5. Continuous take or connector asked for? Read the model's start_frame / end_frame first — scripts/ai-video/adapters/<id>.sh capability --model <m>. null is unknown, never true. A model that cannot frame-lock is declined with a one-line why, never substituted in (adapter-contract.md#end_image).

Step 1: Camera choreography

Read the full file on GitHub · 207 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. 8d ago First seen · 207 lines · 47 tokens per session scan A ce2824481242

Subscribe to this mod's changes

motion-choreographer is a skill published in the GitHub repository event4u-app/agent-config (10 stars, last pushed today), licensed MIT. It adds 47 tokens to every session and 2,031 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 2026-09-04.

Claude CodeCreative and mediaagent-governanceai-agentai-videocursormcp
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