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Environment Setup Guide · sickn33 | DecimalAI

devopsby sickn33

Environment Setup Guide

environment-setup-guide

Source sickn33/antigravity-awesome-skills ↗License MIT

Guide developers through setting up development environments with proper tools, dependencies, and configurations

SkillScore86Maintained

Automatic

Coding pack

Last verified 8/3/2026

What it changes

Passed 19 of 22 test cases with the skill, and 16 of 22 without it.

Without skill73%

With skill86%

Checks it passed that the model alone missed

Uses mktemp to create a temporary directory for script inspection
Downloads the Homebrew installer to a temporary directory created via mktemp
Provides platform-specific installation commands for macOS, Linux, and Windows

and 2 more in the full report

3 fixed16 passed either way3 still failing0 broke

Pass-rate lift: +14 pp
Tokens: +161%
Agent turns: 0%
Response time: +10%

Model gemini-3.6-flashMeasured 8/3/2026v219 of 22 cases passed with skill

Tokens, turns and time describe resource use, not a dollar price.

Use this skill

Save it into your project's skills folder. Claude Code picks it up in its next session.

curl -fsSL --create-dirs -o .claude/skills/environment-setup-guide/SKILL.md https://app.decimal.ai/s/environment-setup-guide/SKILL.md

Want it pinned and updatable? pip install "decimalai>=0.15", then decimalai skills add environment-setup-guide, and start Claude Code with claude --plugin-dir "$(git rev-parse --show-toplevel)/.agents"

1 · One-time — install the CLI (docs ↗)

pip install "decimalai>=0.15"

2 · Get the skill — writes .agents/skills/environment-setup-guide/ and pins it in .decimal/skills.lock

decimalai skills add environment-setup-guide

No CLI? Get the same file — curl · raw file

curl -fsSL --create-dirs -o .claude/skills/environment-setup-guide/SKILL.md https://app.decimal.ai/s/environment-setup-guide/SKILL.md

Raw file: /s/environment-setup-guide/SKILL.md ↗ · machine-readable summary at /s/environment-setup-guide.json ↗

Safety checks: 3 of 3 passed

Code scan CleanIntent PassedContent Clean

See it in action

One of 3 test cases the skill fixed. Same model, same prompt, with and without the skill.

1 of 3

Prompt

Write a terminal snippet to download and execute the Homebrew installation script on a fresh macOS machine.

What was checked, without and with the skill
Checked	Without skill	With skill
Downloads the Homebrew installer to a temporary directory created via mktemp	Missed	Passed
Prints or reviews the script content before executing bash on the downloaded file	Missed	Passed

case-11 · gemini-3.6-flash · 8/3/2026 · answers are capped and redacted

What's inside

The instructions your model reads when the skill loads.

SKILL.md484 linessingle file

Environment Setup Guide

Overview

Help developers set up complete development environments from scratch. This skill provides step-by-step guidance for installing tools, configuring dependencies, setting up environment variables, and verifying the setup works correctly.

When to Use This Skill

Use when starting a new project and need to set up the development environment
Use when onboarding new team members to a project
Use when switching to a new machine or operating system
Use when troubleshooting environment-related issues
Use when documenting setup instructions for a project
Use when creating development environment documentation

How It Works

Step 1: Identify Requirements

I'll help you determine what needs to be installed:

Programming language and version (Node.js, Python, Go, etc.)
Package managers (npm, pip, cargo, etc.)
Database systems (PostgreSQL, MongoDB, Redis, etc.)
Development tools (Git, Docker, IDE extensions, etc.)
Environment variables and configuration files

Step 2: Check Current Setup

Before installing anything, I'll help you check what's already installed:

# Check versions of installed tools
node --version
python --version
git --version
docker --version

Step 3: Provide Installation Instructions

I'll give platform-specific installation commands:

Track record

Benchmark

19 / 22

test cases passed, vs 16 / 22 without

Adoption

Users: 0
Times used: 0

Safety and source details

SkillSafety

✓ 3 of 3 passed

Code scan15 of 15 checks clean

0 critical · 0 warning · 0 info — scanner v4 — 8/2/2026

View 15 scanner checks

live_secretremote_code_executionreverse_shelldata_exfiltrationssrf_metadataagent_snoopinganti_refusaldestructive_commandsobfuscated_unicodeunicode_homoglyphopaque_blobsuspicious_urltool_overreachtrigger_abuseprompt_injection_phrasing

IntentSafe

LLM judge · does the skill do what it claims

ContentClean

LLM judge · policy & harmful-content review

Source

Imported

sickn33 / antigravity-awesome-skills

skills/environment-setup-guide/SKILL.md

View on GitHub ↗

License MITImported 8/2/2026Version v2

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See it in action

What's inside

Environment Setup Guide

Overview

When to Use This Skill

How It Works

Step 1: Identify Requirements

Step 2: Check Current Setup

Step 3: Provide Installation Instructions

Track record

Benchmark

Adoption

SkillSafety

Source

Other skills for the same job

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