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video-to-shorts

video-to-shorts is a skill for Claude Code, Codex from WhiteTowerAI/cut-as-code. It costs 37 tokens per session (4,919 once invoked), scanned A, original, MIT.

A workflow for planning and producing short videos from a previously analysed video project. It selects approved time ranges from the main edit and can create horizontal or vertical short-form versions.

In plain words
What is it for?
Choosing short-video candidates, recording approvals, extracting clips, creating short-specific transcripts and optionally making 9:16 versions.
Why use it?
It keeps short clips tied to the shared transcript and verified main edit, reducing mismatched timings and unreviewed extracts.

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 "check": {"status": "pending", "report": "../review/06-shorts/shorts-summary.md"}.

not rated 30repo +13 changed 1mo ago A scan SkillSpector: pass 37 tokens original MIT

Good fit Choosing short-video candidates, recording approvals, extracting clips, creating short-specific transcripts and optionally making 9:16 versions.

Compare 6 skills from other repositories ↓
View source ↗ WhiteTowerAI/cut-as-code
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/WhiteTowerAI/cut-as-code
agentmods
npx agentmods add skills/whitetowerai/cut-as-code/video-to-shorts

Made for: Claude Code, Codex.

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 video-to-shorts

README.md
[![agentmods](https://agentmods.dev/badge/skills/whitetowerai/cut-as-code/video-to-shorts/github.svg)](https://agentmods.dev/skills/whitetowerai/cut-as-code/video-to-shorts)
Your own site
<a href="https://agentmods.dev/skills/whitetowerai/cut-as-code/video-to-shorts"><img src="https://agentmods.dev/badge/skills/whitetowerai/cut-as-code/video-to-shorts/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 video-to-shorts

Your own site · 80×15
<a href="https://agentmods.dev/skills/whitetowerai/cut-as-code/video-to-shorts"><img src="https://agentmods.dev/badge/skills/whitetowerai/cut-as-code/video-to-shorts.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 37 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 4,919 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. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
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 $0.00037 $0.04919
Opus 5.5 $0.00015 $0.01968
Sonnet 5.5 $0.00007 $0.00984
Haiku 4.5 $0.00004 $0.00492

Measured 1mo ago against content hash 66bc52c84761, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

video-to-shorts 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.

The scan reads SKILL.md. This mod also ships 15 executable files (scripts/boundary_refine.py, scripts/build_candidate_review.py, scripts/candidates.py, …), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

skills/video-to-shorts/SKILL.md · 543 lines

How it starts

The opening of the file, as written. The whole thing — 543 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Video To Shorts

Dependencies

/video-understand is a prerequisite. Run it first so shorts use the validated source transcript and canonical timeline. Before starting, verify that it is installed. If it is not, warn the user that this prerequisite is missing and stop before processing media.

Require ffmpeg/ffprobe on PATH and Python with Pillow. Check them before processing media.

Scope

This skill has two project phases:

  1. Plan before render: map the understood transcript to program time, author and approve candidates, and write work/shorts/shorts-plan.json. This phase writes no final video.
  2. Finalize after render: after every selected main-sequence edit is approved and the shared main delivery is verified, rerun plan.py to bind the same approved ranges to that delivery, then extract horizontal and optional vertical outputs.

It owns short candidate judgment, deterministic qualification, horizontal extraction, short-relative transcripts, and optional deterministic vertical delivery. It does not transcribe in project mode, change the main sequence, add captions/graphics, grade, publish, or perform continuous subject tracking.

Delivered Shorts are derivatives of final/final-video.mp4, but candidate planning precedes that file. Record the operation in the project DAG, but never add it to sequences.main.operations; the main delivery and its original-vs-final comparison remain unchanged.

Project Inputs

  • work/project.json
  • the project source recorded by project.source.path
  • work/understand/transcript.json in source time
  • work/timeline.json
  • active main-operation revisions at each phase

Planning does not require final/final-video.mp4. Finalization and extraction require that exact project render with render.status: verified.

prepare_transcript.py --timeline calls the shared projectlib.map_transcript_to_timeline. Candidate/extraction times are therefore program seconds on the actual final video. Words removed by the main edit are not available to shorts. Each retained word keeps its source_range, program_range, and clip_id.

Read the full file on GitHub · 543 lines

Files

What ships with it

21 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.

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 Changed 66bc52c84761
  2. 2mo ago First seen · 543 lines · 37 tokens per session scan A dfddcce3a77e

Subscribe to this mod's changes

video-to-shorts is a skill published in the GitHub repository WhiteTowerAI/cut-as-code (30 stars, last pushed 3d ago), licensed MIT. It adds 37 tokens to every session and 4,919 once invoked, about $0.0001 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 2026-08-30.

Claude CodeCreative and mediaagent-skillsai-video-editingcodexshort-videovideo-editing
Related

video-to-shorts compared with skills from other repositories

video-to-shorts next to 6 skills from other repositories
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video-to-shortsWhiteTowerAI/cut-as-codeSkill303d agoMITA37Claude Code, Codex
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premiere-pro-mcphetpatel-11/Adobe_Premiere_Pro_MCPSkill8336d agoMITA64Claude Code, Codex
edit-premiere-projecthetpatel-11/Adobe_Premiere_Pro_MCPSkill8336d agoMITA26Claude Code
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subtitle_imitation_skillFireRedTeam/FireRed-OpenStorylineSkill3.6k3mo agoApache-2.0A68Claude Code, Codex
video-explainerrunesleo/claude-video-kitSkill1246d agoMITA72Claude Code, Codex