Release / 2 Sep 2026 / with 2026.08.20260826125954, 2026.08.20260827142639, 2026.08.20260831234710

Open source MCP servers for AWS 2026.09.20260901224839

Manage Savings Plans from your MCP client.

All of Open source MCP servers for AWS

Before you upgrade to 2026.09.20260901224839

1 to fix

Invoice time filters are validated and `session-sql` rejects `ATTACH DATABASE`.

Behavior changedInvestigate AWS billing and cost management data.

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awslabs/mcp/releases/tag/2026.08.20260826125954

Documentation recommendations no longer include the Highly Rated category.

Behavior changedSearch and read AWS documentation and API references.

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awslabs/mcp/releases/tag/2026.08.20260826125954

Database connections validate the requested host and require TLS when credentials come from Secrets Manager.

Behavior changedQuery Aurora MySQL databases through the RDS Data API.

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awslabs/mcp/releases/tag/2026.08.20260831234710

The standalone DSQL skill is deprecated; the DSQL MCP server remains available.

Behavior changedQuery Amazon Aurora DSQL databases.

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awslabs/mcp/blob/2026.08.20260831234710/src/aurora-dsql-mcp-server/README.md

Use verified TLS for `mysqlwire` connections; supply `--ca_bundle <path>` when the database certificate does not chain to the bundled RDS CA.

Action requiredQuery Aurora MySQL databases through the RDS Data API.Affects: Non-IAM MySQL connections previously relying on plaintext or a custom certificate.

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awslabs/mcp/blob/2026.08.20260831234710/src/mysql-mcp-server/README.md

What changed in 2026.09.20260901224839

Billing expands budget and Savings Plans operations; HealthOmics adds remote transport, InfluxDB adds writes, and PostgreSQL adds privilege checks.

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

Manage budget actions and notifications, and manage Savings Plans. Inspect AWS Enterprise Support costs and operations. Read billing preferences and retrieve idle-resource recommendations from Compute Optimizer.

ImprovedInvestigate AWS billing and cost management data.

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Write InfluxDB v2 points and line protocol using the explicit write tools.

ImprovedWork with time-series databases using Amazon Timestream for InfluxDB.

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awslabs/mcp/releases/tag/2026.08.20260826125954

Check database-user privileges at startup and connection time with `--privilege_check`.

ImprovedQuery PostgreSQL databases through the RDS Data API.

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awslabs/mcp/releases/tag/2026.08.20260826125954

Check S3 bucket ownership before uploading code for scans.

Now worksScan source code and test applications for security findings with AWS Security Agent.

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awslabs/mcp/releases/tag/2026.08.20260826125954

`browser_navigate` handles non-2xx HTTP responses.

Now worksLook up AgentCore service documentation and API guidance.

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awslabs/mcp/releases/tag/2026.08.20260826125954

Transfer artifacts with longer upload and download timeouts.

ImprovedManage AWS Transform workspaces, modernization jobs, connectors, artifacts, and human review tasks.

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awslabs/mcp/releases/tag/2026.08.20260827142639

Run the server over HTTP/SSE with multi-tenant credentials.

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

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awslabs/mcp/releases/tag/2026.08.20260831234710

`DOCUMENT_BASE_DIR` confines file access even when CI or test environment variables are set.

Now worksExtract content from PDF, Word, Excel, and PowerPoint files and load images.

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awslabs/mcp/releases/tag/2026.08.20260831234710

Get guidance for native DSQL foreign key support.

ImprovedQuery Amazon Aurora DSQL databases.

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awslabs/mcp/releases/tag/2026.09.20260901224839

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