skill

Cost Analysis

Analyze actual Azure spend, bill changes, and AKS or AI costs. WHEN: "Azure cost breakdown", "most expensive resources", "why did my bill increase", "cost spike", "unexpected charge", "Cosmos DB charges", "Foundry model costs", "AKS cluster cost", "namespace cost", "enable AKS cost analysis", "idle AKS capacity". DO NOT USE FOR: forecasts, pricing estimates, rightsizing, commitments, or budgets.

Microsoft0+ installsVetted

About

# Azure Cost Analysis

## Quick Reference

| Intent | Workflow | Primary tools | |--------|----------|---------------| | Query historical spend | [Cost query](references/cost-query/workflow.md) | `query_costs` | | Explain a spike | [Cost investigation](references/cost-investigation.md) | `query_costs`, Resource Graph | | Analyze AKS spend | [AKS cost analysis](references/aks-cost-analysis.md) | `query_aks_costs`, Resource Graph | | Analyze AI service spend | [AI cost analysis](references/ai-cost-analysis.md) | `query_costs` |

## When to Use This Skill

Use for spend, anomalies, and AKS or AI allocation.

## MCP Tools

Use cost tools and Resource Graph first. If an operation is unavailable, follow [fallback and safety](references/tools-and-safety.md).

## Workflow

1. Confirm scope, period, currency, and breakdown. 2. Load only the matching workflow above. 3. Never transform MCP results in a shell or interpreter; request tool-side totals, grouping, sorting, or bounded follow-up queries. 4. Respect row limits and label incomplete data. 5. Separate measured cost from inferred causes and recommendations.

## Error Handling

| Error | Action | |-------|--------| | Access denied | Name the required scope and role. | | Empty result | Distinguish no data from unavailable data. | | Multiple currencies | Report each currency separately. | | Server error | Retry once; then stop with the trace ID. |

Install

Run this command

git clone https://github.com/microsoft/azure-skills && cp -r azure-skills/.github/plugins/azure-cost/skills/cost-analysis ~/.claude/skills/

Works with

claude appclaude codeclaude apicursorcodexwindsurfclinezed

Manual steps

Clone the repository and copy the `.github/plugins/azure-cost/skills/cost-analysis` folder into your Claude skills directory. Compatible with Claude Code, Cursor, Codex, and any Agent Skills-compatible agent.

View source
License: MITBy Microsoft

Frequently asked questions

What is the Cost Analysis skill?

Analyze actual Azure spend, bill changes, and AKS or AI costs. WHEN: "Azure cost breakdown", "most expensive resources", "why did my bill increase", "cost spike", "unexpected charge", "Cosmos DB charges", "Foundry model costs", "AKS cluster cost", "namespace cost", "enable AKS cost analysis", "idle AKS capacity". DO NOT USE FOR: forecasts, pricing estimates, rightsizing, commitments, or budgets.

How do I install Cost Analysis?

Run this in your terminal:

git clone https://github.com/microsoft/azure-skills && cp -r azure-skills/.github/plugins/azure-cost/skills/cost-analysis ~/.claude/skills/
Which AI tools does Cost Analysis work with?

It works with claude_app, claude_code, claude_api, cursor, codex, windsurf, cline, zed.

Who made Cost Analysis?

Microsoft, released under the MIT license.

Is Cost Analysis free?

Yes, it is free to use under the MIT license.

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