prereq-check

Installation
SKILL.md

Prerequisites Check

Validates the local environment has the CLI tools and auth sessions needed to run AutoCloud skills.

When to Use

  • Before first-time onboarding (/autocloud-onboarding)
  • When any AutoCloud skill fails with a "command not found" error
  • When switching machines or dev containers
  • When a user asks "what do I need to install?"

Required Tools

Tool Binary Minimum Version Purpose
Azure CLI az 2.50 Azure resource management, RBAC, deployments
GitHub CLI gh 2.0 Repo secrets, environments, PR operations
jq jq 1.6 JSON parsing in scripts and workflows
git git any Version control (usually pre-installed)

Execution Playbook

Run the steps below in order. Present results as a table. Stop at the first blocking failure.

Step 1: Detect Platform

OS="$(uname -s)"
ARCH="$(uname -m)"
echo "Platform: $OS / $ARCH"

Map the result for install instructions:

  • Darwin → macOS
  • Linux → Linux (check for apt-get vs yum/dnf to narrow distro)
  • MINGW* / MSYS* → Windows (git-bash)

Step 2: Check Each Tool

# --- az (Azure CLI) — required, minimum 2.50 ---
if command -v az &>/dev/null; then
  AZ_VER=$(az version --query '"azure-cli"' -o tsv 2>/dev/null)
  echo "az: $AZ_VER"
else
  echo "az: NOT FOUND"
fi

# --- gh (GitHub CLI) — required, minimum 2.0 ---
if command -v gh &>/dev/null; then
  GH_VER=$(gh --version 2>/dev/null | head -1 | grep -oE '[0-9]+\.[0-9]+\.[0-9]+')
  echo "gh: $GH_VER"
else
  echo "gh: NOT FOUND"
fi

# --- jq — required, minimum 1.6 ---
if command -v jq &>/dev/null; then
  JQ_VER=$(jq --version 2>/dev/null | grep -oE '[0-9]+\.[0-9]+[a-z]*')
  echo "jq: $JQ_VER"
else
  echo "jq: NOT FOUND"
fi

# --- git — required (usually pre-installed) ---
if command -v git &>/dev/null; then
  GIT_VER=$(git --version 2>/dev/null | grep -oE '[0-9]+\.[0-9]+\.[0-9]+')
  echo "git: $GIT_VER"
else
  echo "git: NOT FOUND"
fi

Step 3: Present Results

Show a table with pass/fail status:

Tool Status Found Version Minimum Required
az ✅ / ❌ x.y.z 2.50
gh ✅ / ❌ x.y.z 2.0
jq ✅ / ❌ x.y 1.6
git ✅ / ❌ x.y.z any

Mark a tool ❌ if it is missing OR below the minimum version.

Step 4: Show Install Commands (only if something is missing)

Show install commands only for missing or outdated tools, matching the detected platform.

macOS (Homebrew):

brew install azure-cli   # az
brew install gh           # GitHub CLI
brew install jq           # jq
brew install git          # git (if missing)

Ubuntu / Debian:

# az — Microsoft repository
curl -sL https://aka.ms/InstallAzureCLIDeb | sudo bash

# gh — GitHub repository
(type -p wget >/dev/null || sudo apt-get install wget -y) \
  && sudo mkdir -p -m 755 /etc/apt/keyrings \
  && out=$(mktemp) && wget -nv -O"$out" https://cli.github.com/packages/githubcli-archive-keyring.gpg \
  && cat "$out" | sudo tee /etc/apt/keyrings/githubcli-archive-keyring.gpg > /dev/null \
  && sudo chmod go+r /etc/apt/keyrings/githubcli-archive-keyring.gpg \
  && echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/githubcli-archive-keyring.gpg] https://cli.github.com/packages stable main" | sudo tee /etc/apt/sources.list.d/github-cli.list > /dev/null \
  && sudo apt-get update && sudo apt-get install gh -y

# jq
sudo apt-get install -y jq

RHEL / Fedora:

# az
sudo rpm --import https://packages.microsoft.com/keys/microsoft.asc
sudo dnf install -y azure-cli

# gh
sudo dnf install -y gh

# jq
sudo dnf install -y jq

Windows (PowerShell with winget):

winget install Microsoft.AzureCLI
winget install GitHub.cli
winget install jqlang.jq

Windows note: AutoCloud skills require a BASH shell. Install Git for Windows and use git-bash.

Step 5: Check Auth Sessions

Only run this step if all tools passed Step 3.

# Azure CLI session
az account show --query "{name:name,id:id,tenantId:tenantId}" -o table 2>/dev/null
if [[ $? -ne 0 ]]; then
  echo "❌ Not logged in to Azure. Run: az login"
fi

# GitHub CLI session
gh auth status 2>/dev/null
if [[ $? -ne 0 ]]; then
  echo "❌ Not logged in to GitHub. Run: gh auth login"
fi

Step 6: Summary

Present a final verdict:

  • ✅ READY — All tools installed, versions OK, auth sessions active. Proceed with any AutoCloud skill.
  • ⚠️ TOOLS MISSING — List what to install. Do not proceed until resolved.
  • ⚠️ AUTH MISSING — Tools OK but user needs to run az login and/or gh auth login.

Agent Behavior

  1. Run Steps 1–5 by executing the commands in the terminal.
  2. Present the results table and install commands (if needed).
  3. Do NOT install anything automatically — show the commands and let the user run them.
  4. If everything passes, tell the user they're ready and suggest next steps (e.g., /autocloud-onboarding).
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