azure-cost-optimizer

Original：🇺🇸 English

Translated

Analyzes Azure costs and provides optimization recommendations including reserved instances, rightsizing, and unused resources. Use when optimizing Azure spending or analyzing Azure costs.

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Sourcearmanzeroeight/fastagent-plugins

Added on2026-02-07

NPX Install

npx skill4agent add armanzeroeight/fastagent-plugins azure-cost-optimizer

SKILL.md Content

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Azure Cost Optimizer

Quick Start

Analyze Azure costs and implement optimization strategies to reduce spending while maintaining performance.

Instructions

Step 1: Analyze current costs

bash

# View cost analysis
az cost-management query \
  --type Usage \
  --dataset-aggregation name="PreTaxCost" function="Sum" \
  --dataset-grouping name="ResourceGroup" type="Dimension"

# View costs by service
az cost-management query \
  --type Usage \
  --dataset-grouping name="ServiceName" type="Dimension"

Step 2: Identify optimization opportunities

Check for unused resources:

Unattached disks
Idle virtual machines
Unused public IPs
Orphaned network interfaces

Review resource utilization:

VM CPU and memory usage
Database DTU utilization
Storage account access patterns
Network bandwidth usage

Step 3: Implement cost-saving measures

Reserved Instances:

1-year or 3-year commitments
Up to 72% savings vs pay-as-you-go
Recommended for stable workloads

Azure Hybrid Benefit:

Use existing Windows Server licenses
Use existing SQL Server licenses
Significant cost savings

Rightsizing:

Downsize overprovisioned VMs
Adjust database tiers
Optimize storage tiers

Spot VMs:

Up to 90% savings
Suitable for interruptible workloads
Batch processing, dev/test

Advanced

For detailed information, see:

Pricing Models - Azure pricing tiers and models
Reserved Instances - RI recommendations and strategies
Rightsizing - VM and resource sizing guidance