Release / 25 Sep 2026 / with v1.13.0

MCP Toolbox for Databases v1.13.1

Load prebuilt Bigtable tools.

Before you upgrade to v1.13.1

1 to fix

Remove `--defer-source-connect` from startup commands; v1.13.1 removes the v1.13.0 option and restores connection initialization at startup.

Action requiredDefine parameterized database tools in YAML and share them with agents through MCP or Toolbox SDKs.Affects: Users who enabled deferred source connections in v1.13.0.Inferred

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What changed in v1.13.1

Adds Bigtable prebuilt tools and complete or paged data-agent discovery. Reverts the source-connection deferral introduced in v1.13.0.

Also: Data-agent listing can fetch all pages; v1.13.1 removes the briefly available deferred-connection flag.

v1.13.1; use the release binaries or container image and configure the required source credentials.

Fixed and improved

Start with the Bigtable prebuilt configuration.

ImprovedExecute configured SQL queries against Bigtable.

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googleapis/mcp-toolbox/releases/tag/v1.13.0

List all accessible data agents automatically, or page manually with page-size and page-token parameters.

ImprovedConvert natural-language database questions with Gemini Data Analytics.

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googleapis/mcp-toolbox/releases/tag/v1.13.0

Read `value_format` and `value_format_name` in field metadata.

ImprovedExplore Looker data using configured API tools.

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googleapis/mcp-toolbox/releases/tag/v1.13.0

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