Release / 12 Dec 2025 / with 2025.12.20251208100753, 2025.12.20251210024918

Open source MCP servers for AWS 2025.12.20251211225414

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All of Open source MCP servers for AWS

Before you upgrade to 2025.12.20251211225414

The README introduces a hosted ECS MCP option and labels local installation a legacy path that will receive no further updates.

Behavior changedContainerize and deploy applications to Amazon ECS.

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awslabs/mcp/blob/2025.12.20251211225414/src/ecs-mcp-server/README.md

What changed in 2025.12.20251211225414

Documentation search adds facets, EMR Serverless gains job and application tools, and the CDK server is deprecated in favor of AWS IaC.

Available in the awslabs MCP server packages at this release. Use an MCP-compatible client and the relevant server's runtime, credentials, and service permissions.

Fixed and improved

Use credentials from `aws login` and run AWS CLI `help` commands.

ImprovedManage AWS resources through validated AWS CLI commands.

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awslabs/mcp/releases/tag/2025.12.20251208100753

Filter documentation searches using facets.

ImprovedSearch and read AWS documentation and API references.

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awslabs/mcp/releases/tag/2025.12.20251210024918

Manage EMR Serverless applications and job runs.

ImprovedManage AWS Glue and EMR data-processing workflows.

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awslabs/mcp/releases/tag/2025.12.20251210024918

Use timezone-aware datetimes in `GetMetricData`.

Now worksInvestigate application behavior using CloudWatch metrics, alarms, and logs.

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awslabs/mcp/releases/tag/2025.12.20251211225414

Going away

The CDK server is deprecated; use the AWS IaC MCP server.

DeprecatedDevelop AWS CDK infrastructure with compliance and design guidance.

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awslabs/mcp/blob/2025.12.20251211225414/src/cdk-mcp-server/README.md

Seeded by @iluxav with Codex, from the release's public sources. Each change links to its evidence.