env-setup

env-setup is a skill for Claude Code, Codex from wwwzhouhui/skills_collection. It costs 0 tokens per session (3,489 once invoked), scanned C, original, no licence file.

An environment setup guide for a video toolkit, checking media tools, codecs, filters, fonts, and Python packages.

In plain words
What is it for?
It is for checking or provisioning ffmpeg and ffprobe capabilities and Python packages used for video creation and analysis.
Why use it?
It helps identify missing or incomplete dependencies before video work fails because the machine cannot encode, process, or analyze media.

Skill for Claude CodeCodex

Which agent this was written for is unclear — body not stored (licence); the path alone says nothing.

Good fit It is for checking or provisioning ffmpeg and ffprobe capabilities and Python packages used for video creation and analysis.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/wwwzhouhui/skills_collection/env-setup
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 wwwzhouhui/skills_collection --skill env-setup
Clone the repo
git clone --depth 1 https://github.com/wwwzhouhui/skills_collection

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 env-setup

README.md
[![agentmods](https://agentmods.dev/badge/skills/wwwzhouhui/skills_collection/env-setup/github.svg)](https://agentmods.dev/skills/wwwzhouhui/skills_collection/env-setup)
Your own site
<a href="https://agentmods.dev/skills/wwwzhouhui/skills_collection/env-setup"><img src="https://agentmods.dev/badge/skills/wwwzhouhui/skills_collection/env-setup/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 env-setup

Your own site · 80×15
<a href="https://agentmods.dev/skills/wwwzhouhui/skills_collection/env-setup"><img src="https://agentmods.dev/badge/skills/wwwzhouhui/skills_collection/env-setup.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 0 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,489 The whole file, excluding the scripts and references it only reads on demand.
Security scan C 2 findings. A grade says what 26 rules found in the file — not that it is safe.
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 $0.00000 $0.03489
Opus 5 $0.00000 $0.01744
Sonnet 5 $0.00000 $0.00698
Haiku 4.5 $0.00000 $0.00349

Measured 10d ago against content hash 96e7689a5d3f, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade C, and why

env-setup scanned grade C with 2 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 10d ago.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/env_doctor.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.

Subtle steeringmediumPrompt injection

Instructions that bias recommendations or shape behaviour without the user noticing.

- **Never tell the user to set an ASR/TTS key to get transcription working**, and

Asks for rootmediumPrivilege escalation

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

code change, and not `sudo cp` into `/usr/share/fonts`.
video-agent-kit/skills/env-setup/SKILL.md · 203 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

Files

What ships with it

1 file 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. 10d ago First seen · 203 lines · 0 tokens per session scan C 96e7689a5d3f

Subscribe to this mod's changes

env-setup is a skill published in the GitHub repository wwwzhouhui/skills_collection (273 stars, last pushed 2d ago), with no licence file. It costs nothing until one of its globs matches a file; then it loads 3,489 tokens. A static security scan graded it C with 2 findings (subtle steering, 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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