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Release / / with v0.22.0

MCP Toolbox for Databases v0.23.0

Run MySQL-compatible tools against MariaDB.

Before you upgrade to v0.23.0

2 to fix

Numeric query results are formatted as decimal strings.

Behavior changedQuery BigQuery data and inspect dataset and table metadata.Affects: Clients consuming BigQuery numeric results.
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MSSQL sources now supply default host and port values when omitted.

Behavior changedDefine parameterized database tools in YAML and share them with agents through MCP or Toolbox SDKs.Affects: MSSQL source configurations without host or port.
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Schema listing now defaults to a maximum of 50 rows; set `limit` to request a different bound.

Behavior changedQuery PostgreSQL and inspect its tables, active queries, and query plans.Affects: Users listing PostgreSQL schemas.Inferred
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Update response parsing for the added Cloud Console and Logging URLs in batch creation, listing, and retrieval outputs.

Action requiredList, inspect, and cancel Serverless Spark batches.Affects: Clients with strict Serverless Spark output schemas.
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What changed in v0.23.0

Adds Spark batch creation and database inspection tools; BigQuery numeric output becomes decimal strings. Adds MariaDB support and PostgreSQL statistics; Spark responses gain console and logging links.

Also: Also adds Spark batch creation, PostgreSQL statistics, and new output formats.

v0.23.0; use the release binaries or container image and configure the required source credentials. Beta release; the public API can change.

New things you can do

Fixed and improved

Inspect query statistics, column cardinality, publication tables, and tablespaces.

ImprovedQuery PostgreSQL and inspect its tables, active queries, and query plans.
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Set `--allowed-origins`, attach tool annotations, and configure alternate access-token header names.

ImprovedDefine parameterized database tools in YAML and share them with agents through MCP or Toolbox SDKs.
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Firebird sources are registered and can be loaded.

Now worksDefine parameterized database tools in YAML and share them with agents through MCP or Toolbox SDKs.
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Inspect table statistics, database statistics, settings, and roles; filter views by schema, schemas by owner, and indexes by unused status.

ImprovedQuery PostgreSQL and inspect its tables, active queries, and query plans.
Read the evidence

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

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