azure-utils

A CLI tool that fetches Azure Advisor cost recommendations across all your Azure subscriptions and generates a CSV report.

Prerequisites

• Node.js 20.x or later
• Azure CLI installed and authenticated (az login)

Installation

yarn install

Usage

Build and run

yarn build
yarn start

The CSV report will be saved to the output/ directory with a timestamp, e.g.:

output/azure-advisor-cost-recommendations-2026-01-07T20-44-32-956Z.csv

CSV Output Columns

Column	Description
Subscription ID	Azure subscription GUID
Subscription Name	Display name of the subscription
Category	Recommendation category (Cost)
Impact	Business impact level (High/Medium/Low)
Impacted Resource	Name of the affected resource
Problem	Description of the issue
Solution	Recommended action to take
Potential Benefits	Expected savings or improvements
Last Updated	When the recommendation was last refreshed
Learn More Link	URL to Microsoft documentation

Authentication

This tool uses DefaultAzureCredential from @azure/identity, which tries the following authentication methods in order:

1. Environment variables
2. Managed Identity
3. Azure CLI (az login)
4. Azure PowerShell
5. Interactive browser login

For local development, simply run az login before using the tool.

Development

# Run linter
yarn lint

# Fix lint issues
yarn lint:fix

# Check formatting
yarn prettier:check

# Format code
yarn prettier:write

# Run tests
yarn test

License

MIT