v1.12.0
feyninc/catsuv1.12.0Sep 17, 2026by release-please[bot]
Upgrading?
AI Summary
The toolbox gains support for OpenAI Apps Challenge endpoints and exposes additional metadata in Looker tools. Various database connection tools receive updates to improve error handling and parameter validation.
Key Highlights
- Serve /.well-known/openai-apps-challenge
- Expose certification_metadata in Looker tools
- Improved tool descriptions for cloud-sql-postgres
New Features
- Serve OpenAI Apps Challenge endpoint
- Expose certification metadata in Looker dashboard and tools
- Require embed parameters for Looker generate embed URL
- Release handle on connection failure for CockroachDB and Redis
Full Release Notes
## [1.12.0](https://github.com/googleapis/mcp-toolbox/compare/v1.11.0...v1.12.0) (2026-09-17) ### Features * Added logic to serve /.well-known/openai-apps-challenge ([#4038](https://github.com/googleapis/mcp-toolbox/issues/4038)) ([7ac00a2](https://github.com/googleapis/mcp-toolbox/commit/7ac00a2dc940b0e6e07e2b75ca79fef08bd87d77)) * **tool/looker:** Expose certification_metadata in looker dashboard and look tools ([#4041](https://github.com/googleapis/mcp-toolbox/issues/4041)) ([ed42084](https://github.com/googleapis/mcp-toolbox/commit/ed420847be0d86209f5505f4a436ca7963eb3fc3)) ### Bug Fixes * **prebuilt/cloud-sql-postgres:** Clarify execute_sql tool description ([#3884](https://github.com/googleapis/mcp-toolbox/issues/3884)) ([ed4cfde](https://github.com/googleapis/mcp-toolbox/commit/ed4cfde6d6d5133120a9ed6811aab8947f3eb540)) * **source/cockroachdb,source/redis:** Release the handle when a connect attempt fails ([#3933](https://github.com/googleapis/mcp-toolbox/issues/3933)) ([2d52f8a](https://github.com/googleapis/mcp-toolbox/commit/2d52f8aee5e0d373db30dc7d70bca175570dd29e)) * **tool/looker-generate-embed-url:** Require embed parameters ([#3913](https://github.com/googleapis/mcp-toolbox/issues/3913)) ([93520cf](https://github.com/googleapis/mcp-toolbox/commit/93520cf4ab4059ec4c1ed77f25bf3a836d3192c6)) * **tools/looker:** Add additional annotations to support OpenAI plugins ([#4035](https://github.com/googleapis/mcp-toolbox/issues/4035)) ([7b41e73](https://github.com/googleapis/mcp-toolbox/commit/7b41e73c3f7486afe55022fbcb437e26e931b8d0)) | **OS/Architecture** | **Description** | **SHA256 Hash** | | --------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------ | ------------------------------------------------------------------- | | [linux/amd64](https://storage.googleapis.com/mcp-toolbox-for-databases/v1.12.0/linux/amd64/toolbox) ([Signature](https://storage.googleapis.com/mcp-toolbox-for-databases/v1.12.0/linux/amd64/toolbox.asc)) | For **Linux** systems running on **Intel/AMD 64-bit processors**. | 69c1b1a7a74dcd2442dd1281e97030a9b9913e2fb221bf31961f9b9ada000543 | | [darwin/arm64](https://storage.googleapis.com/mcp-toolbox-for-databases/v1.12.0/darwin/arm64/toolbox) | For **macOS** systems running on **Apple Silicon** (M1, M2, M3, etc.) processors. | 524ed5a0e8ca0d6660270523bc345c52ae2cff6104088a37e5790e7fed72df1d | | [darwin/amd64](https://storage.googleapis.com/mcp-toolbox-for-databases/v1.12.0/darwin/amd64/toolbox) | For **macOS** systems running on **Intel processors**. | 7f5bb2b1e1ab6f8fa8bb4b51fe14b10274f17a906e1f1084fbf400b6d6bdc5a9 | | [windows/amd64](https://storage.googleapis.com/mcp-toolbox-for-databases/v1.12.0/windows/amd64/toolbox.exe) | For **Windows** systems running on **Intel/AMD 64-bit processors**. | c8d382ed597596f96aa015bf8ab5aaad557eb831d342813b8312fc582aa040f6 | | [windows/arm64](https://storage.googleapis.com/mcp-toolbox-for-databases/v1.12.0/windows/arm64/toolbox.exe) | For **Windows** systems running on **ARM 64-bit processors**. | a0d152a1158d32d8a9df071e52277a59b7a79d1a50c044ee36b9907eb57a7003 |
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