Release / 8 Apr 2026 / with 2026.04.20260402081408

Open source MCP servers for AWS 2026.04.20260408085348

Create Aurora PostgreSQL clusters with Ultra Fast Create.

What changed in 2026.04.20260408085348

PostgreSQL adds cluster creation, EKS accepts kubeconfig/OIDC authentication, and the MSK server is deprecated.

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

Create Aurora PostgreSQL clusters using Ultra Fast Create.

ImprovedQuery PostgreSQL databases through the RDS Data API.

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awslabs/mcp/releases/tag/2026.04.20260402081408

Work with HealthOmics configuration APIs.

ImprovedGenerate, run, debug, and optimize life-science workflows in AWS HealthOmics.

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awslabs/mcp/releases/tag/2026.04.20260402081408

Set `endpoint_url` for local or custom Neptune Analytics endpoints.

ImprovedQuery Neptune graph databases with openCypher and Gremlin.

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awslabs/mcp/releases/tag/2026.04.20260402081408

Authenticate using kubeconfig and OIDC.

ImprovedManage Kubernetes clusters and deploy applications on Amazon EKS.

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awslabs/mcp/releases/tag/2026.04.20260402081408

Manage telemetry rules and configuration with Observability Admin tools.

ImprovedInvestigate application behavior using CloudWatch metrics, alarms, and logs.

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awslabs/mcp/releases/tag/2026.04.20260402081408

Going away

The MSK server is deprecated; use AWS API MCP or the MSK boto3 APIs.

DeprecatedManage Kafka clusters in Amazon MSK.

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awslabs/mcp/releases/tag/2026.04.20260408085348

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