AWS MCP vs Azure MCP: Which to Use in 2026
The honest answer: use the MCP for the cloud you actually run on — they do not compete for the same account. Both AWS and Microsoft ship official MCP servers. The AWS MCP leans read-only-first, built for inspecting resources and analyzing Cost Explorer spend. The Azure MCP spans 40+ service areas and authenticates through the Azure Identity SDK, so an agent inherits your az login session instead of a pasted key. Below is where each one wins and how they differ on auth and posture.
The core difference
Both are first-party cloud MCPs, but they reflect their platforms. The AWS MCP is scoped tightly by IAM and defaults to read-only — its highest-value job is answering "what is this costing" and "what is the state of this resource" without any ability to mutate. The Azure MCP is broader out of the box: 40+ service areas from Storage to AKS to Key Vault, authenticated through DefaultAzureCredential (az login, environment, or managed identity) so there is no long-lived secret in the config. If you are multi-cloud, install both, each scoped to its own account.
Side by side
| Dimension | AWS MCP | Azure MCP |
|---|---|---|
| What it is | Official AWS cloud MCP | Official Microsoft Azure MCP |
| Service coverage | Resources + Cost Explorer + ops data | 40+ service areas (Storage, Cosmos, AKS, Key Vault…) |
| Auth | IAM / API credentials (least privilege) | Azure Identity — az login or managed identity |
| Default posture | Read-only-first | Read/write across services |
| Transport | stdio | stdio (local) or self-hosted remote |
| Distribution | AWS-maintained servers | npm (@azure/mcp), Python, .NET |
| Best fit | AWS accounts — cost + resource inspection | Azure accounts — broad resource operations |
The verdict in one line
When each is the right call
Choose the AWS MCP
Your infrastructure runs on AWS and you want an agent to analyze spend through Cost Explorer, inspect resource state, and reason about your account — without the ability to mutate. Scope it with least-privilege IAM and keep it read-only until you trust it.
Choose the Azure MCP
Your infrastructure runs on Azure and you want broad coverage — Storage, Cosmos DB, AKS, Key Vault, Monitor — with credential-free auth via az login or a managed identity. It is the widest first-party surface for operating an Azure account from an agent.
Frequently asked questions
Is there an official AWS MCP server?
Yes. AWS maintains official MCP servers that expose account resources and Cost Explorer to an agent, with a read-only-first posture. Reach for it to inspect infrastructure state and analyze spend; grant write scope only under least-privilege IAM.
Is there an official Azure MCP server?
Yes. Microsoft ships the official Azure MCP (part of the microsoft/mcp catalog) covering 40+ Azure service areas — Storage, Cosmos DB, Key Vault, AKS, Monitor, and more. It authenticates through the Azure Identity SDK (az login or a managed identity), so there is no long-lived key in the config.
Which should I use, AWS or Azure MCP?
Use the one that matches your cloud. If your infrastructure is on AWS, use the AWS MCP; if it is on Azure, use the Azure MCP. They are not competitors for the same account — they each speak to their own cloud. On Google Cloud, use the Google Cloud MCP instead.
Next steps
See the full AWS and Azure MCP details, the ranked DevOps guide, or the whole Cloud & Infrastructure category.
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