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Open source MCP servers for AWS

AWS's official MCP server suite: docs, IaC, containers, serverless, databases, cost and monitoring

MCP serverEditors’ pickHigh risk

awslabs/mcpAuthor: AWS Labs

Install

{
  "mcpServers": {
    "awslabs-core-mcp-server": {
      "command": "uvx",
      "args": ["awslabs.core-mcp-server@latest"],
      "env": {
        "FASTMCP_LOG_LEVEL": "ERROR"
      }
    }
  }
}

macOS and Linux example. Substitute other package names from their READMEs; on Windows use uv tool run.

This is third-party code. Review the repository files before installing.

What it does

The AWS Labs monorepo holds dozens of separate MCP servers, each for its own area. The documentation server gives the agent current AWS references, the IaC server helps with CloudFormation and CDK, and there are servers for EKS, ECS, Lambda and SAM, for DynamoDB, Aurora, Redshift, DocumentDB, Neptune and ElastiCache, and for CloudWatch, CloudTrail, IAM, billing and pricing. All servers run locally over stdio, install from PyPI via uvx or run from images in public ECR. Some servers ship skills, for example for Aurora DSQL and CloudWatch investigations.

Who it is for. For DevOps engineers and developers building and running infrastructure on AWS.

Good fit when

  • The agent needs current AWS docs instead of stale model knowledge
  • You need to write and validate CloudFormation or CDK
  • You need to dig into CloudWatch logs and metrics or account costs

Not a fit when

  • Your infrastructure is on other clouds
  • You need production agent access with auditing; AWS recommends Agent Toolkit for AWS for that

Example request

Look up current Lambda limits in the AWS docs and validate my CloudFormation template

Limitations

Most servers need AWS credentials with access to the relevant services. Servers support stdio only; SSE was removed. AWS names Agent Toolkit for AWS as the successor, and the most useful projects will move there over time. Some servers are marked deprecated.

How to disable. Remove the server block from your MCP client config and optionally clear the cache with uv cache clean and the server name.

MCP

Transport
stdio
Authentication
API key
Environment variables
AWS_REGION
AWS region
AWS_ACCESS_KEY_ID
secret		AWS access key when not using a profile
FASTMCP_LOG_LEVEL
Server log level

Security check

  • Servers operate on real AWS resources and can modify them
  • Cloud account credentials are required

README in short

The README opens by noting that Agent Toolkit for AWS is now the successor. It explains how MCP servers improve model answers about AWS and catalogs servers by task with one-click installs for Kiro, Cursor and VS Code. It covers general uv setup, macOS, Linux and Windows configs, container runs and client examples. Apache-2.0 licensed.

FAQ

Which server should I start with?

The AWS documentation server is a good start; add others per service. Each has its own README with options.

Can I run them in Docker?

Yes, images for every server are in public AWS ECR; pass credentials via --env-file.

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