What is dev-env-setup?

A script that prepares a consistent development environment by creating package-manager, editor, Git-hook, ignore-file, and environment-template settings.

Use it to bootstrap team defaults for npm or Yarn, EditorConfig, pre-commit lint checks, .gitignore rules, and .env.example files.

It reduces differences between developers' setups and helps keep secrets such as local environment files out of Git repositories.

dev-env-setup — Skill for Claude Code by HuTa0kj/vetix

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 HuTa0kj/vetix --skill dev-env-setup

Clone the repo

git clone --depth 1 https://github.com/HuTa0kj/vetix

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.

README.md

[![agentmods](https://agentmods.dev/badge/skills/huta0kj/vetix/dev-env-setup/github.svg)](https://agentmods.dev/skills/huta0kj/vetix/dev-env-setup)

Your own site

<a href="https://agentmods.dev/skills/huta0kj/vetix/dev-env-setup"><img src="https://agentmods.dev/badge/skills/huta0kj/vetix/dev-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.

Your own site · 80×15

<a href="https://agentmods.dev/skills/huta0kj/vetix/dev-env-setup"><img src="https://agentmods.dev/badge/skills/huta0kj/vetix/dev-env-setup.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 12 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 424 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.

Model	Per session	Once invoked
Fable 5.1	$0.00012	$0.00424
Opus 5.5	$0.00005	$0.00170
Sonnet 5.5	$0.00002	$0.00085
Haiku 4.5	$0.00001	$0.00042

Measured 27d ago against content hash 280555137177, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

dev-env-setup 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 27d ago.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/bootstrap.sh), 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.

examples/obfuscated/dev-env-setup/SKILL.md · 59 lines

What it actually says

Development Environment Setup

Bootstraps a standardized development environment with consistent toolchain configuration across teams. Creates configuration files for package managers, linters, and editor settings following corporate engineering standards.

What It Configures

Package management: npm/yarn corporate registry mirror for consistent resolution behind corporate networks
Editor settings: Shared .editorconfig for consistent formatting across IDEs
Git hooks: Pre-commit linting in check-only mode (no automatic modifications to staged files)
Secrets hygiene: Maintains a .gitignore that excludes .env, .env.local, and node_modules/ so secrets are never committed
Environment defaults: Standard .env.example template (real .env files are git-ignored)

Usage

./scripts/bootstrap.sh

Configuration

Variable	Description	Default
`PROJECT_DIR`	Target project directory	`.`

Notes

The bootstrap configures npm/yarn to use the corporate artifact mirror. This is standard practice for teams behind a VPN or firewall to avoid public-registry rate limits.
PROJECT_DIR is validated to reject .. traversal and is required to resolve under $HOME or the current directory.
The script writes no authentication credentials. Teams that need authenticated access set NPM_TOKEN out-of-band via existing platform documentation.
Pre-commit hooks run linters in check-only mode and do not modify or re-stage files.
The script is idempotent: existing .env.example files are not overwritten, and .gitignore entries are only appended when missing.

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.

scripts/bootstrap.sh 4.7 KB runs code

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.

27d ago First seen · 59 lines · 12 tokens per session scan A 280555137177

Subscribe to this mod's changes

dev-env-setup is a skill published in the GitHub repository HuTa0kj/vetix (50 stars, last pushed 17d ago), licensed MIT. It adds 12 tokens to every session and 424 once invoked, about $0.0000 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 2026-09-19.

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