Release / 3 Dec 2025 / with 2025.11.20251126165607, 2025.11.20251128160211

Open source MCP servers for AWS 2025.12.20251202213310

Trace connectivity problems across AWS networks.

Before you upgrade to 2025.12.20251202213310

1 to fix

Replace `check_template_compliance` with `check_cloudformation_template_compliance` and `troubleshoot_deployment` with `troubleshoot_cloudformation_deployment`. Replace `read_cdk_documentation_page` with `read_iac_documentation_page`, which reads CDK and CloudFormation documentation.

Action requiredValidate CloudFormation templates, check compliance, and troubleshoot deployment failures.Affects: Clients calling the original AWS IaC tool names.Inferred

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What changed in 2025.12.20251202213310

The network server provides read-only path and flow-log analysis; IaC tool names change to explicitly identify CloudFormation and general IaC documentation.

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.

New things you can do

Trace network paths and diagnose AWS VPC, Transit Gateway, Cloud WAN, firewall, and VPN connectivity.

Added

Read the evidence

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