ck:media-processing

ck:media-processing is a skill for Claude Code from binjuhor/shadcn-lar. It costs 47 tokens per session (829 once invoked), scanned B, original, no licence file.

A set of instructions for processing video, audio, and images with common command-line tools. FFmpeg handles video and audio, ImageMagick handles images, and RMBG removes image backgrounds with AI.

In plain words
What is it for?
It is for converting formats, applying filters, creating thumbnails, removing backgrounds, encoding media, and preparing HLS or DASH streams.
Why use it?
It brings common media tasks into a repeatable workflow instead of requiring separate manual editing steps. It also supports processing many files in batches.

Skill for Claude Code

Written for Claude Code: argument-hint in frontmatter.

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.

agentmods
npx agentmods add skills/binjuhor/shadcn-lar/media-processing
Any agent
npx skills add binjuhor/shadcn-lar --skill media-processing
Clone the repo
git clone --depth 1 https://github.com/binjuhor/shadcn-lar

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 ck:media-processing

README.md
[![agentmods](https://agentmods.dev/badge/skills/binjuhor/shadcn-lar/media-processing.svg)](https://agentmods.dev/skills/binjuhor/shadcn-lar/media-processing)
Your own site
<a href="https://agentmods.dev/skills/binjuhor/shadcn-lar/media-processing"><img src="https://agentmods.dev/badge/skills/binjuhor/shadcn-lar/media-processing.svg" alt="Measured on agentmods" 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 829 The whole file, excluding the scripts and references it only reads on demand.
Security scan B 1 finding. Scan, not verified.
Origin unknown 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 $0.00829
Opus 5 $0.00023 $0.00415
Sonnet 5 $0.00009 $0.00166
Haiku 4.5 $0.00005 $0.00083

Measured 6d ago against content hash 7d8ed92c013e, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade B, and why

ck:media-processing scanned grade B with 1 finding 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 6d ago.

The scan reads SKILL.md. This mod also ships 9 executable files (scripts/batch_resize.py, scripts/batch-remove-background.sh, scripts/media_convert.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.

Asks for rootmediumPrivilege escalation

A mod that escalates privileges can change anything on the machine, not only the project.

sudo apt-get install ffmpeg imagemagick
.claude/skills/media-processing/SKILL.md · 98 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

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. 6d ago First seen · 98 lines · 47 tokens per session scan B 7d8ed92c013e

Subscribe to this mod's changes

ck:media-processing is a skill published in the GitHub repository binjuhor/shadcn-lar (99 stars, last pushed 2mo ago), with no licence file. It adds 47 tokens to every session and 829 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it B with 1 finding (asks for root). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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