v1.6.0

googleapis/mcp-toolboxv1.6.0Jul 1, 2026by release-please[bot]

AI Summary

Updates to the MCP 2026 draft specs and adds digital signatures to Toolbox binaries. It also introduces tools for listing Dataplex data products and assets, along with support for complex Looker queries.

Key Highlights

Support MCP 2026 draft specs
Add digital signature to Toolbox binaries
Add Dataplex list data products and assets tools
Support complex filter_expression and dynamic_fields in Looker

New Features

MCP 2026 draft specs support
Digital signatures for binaries
Dataplex list data products and assets tools
Looker complex filter and dynamic fields support

Full Release Notes

## [1.6.0](https://github.com/googleapis/mcp-toolbox/compare/v1.5.0...v1.6.0) (2026-06-30)


### Features

* Support MCP 2026 draft specs ([#3544](https://github.com/googleapis/mcp-toolbox/issues/3544)) ([d12eaa8](https://github.com/googleapis/mcp-toolbox/commit/d12eaa856bad70b49ba2b7b9f2882cffbf81220f))
* **release:** Add digital signature to Toolbox binaries ([#3528](https://github.com/googleapis/mcp-toolbox/issues/3528)) ([3f0f0af](https://github.com/googleapis/mcp-toolbox/commit/3f0f0af29007929b01e95ee2caef4fd2015d5f12))
* **tool/cloud-storage:** Configure object operation parameters ([#3529](https://github.com/googleapis/mcp-toolbox/issues/3529)) ([d6dc5fe](https://github.com/googleapis/mcp-toolbox/commit/d6dc5fe8e47b585415bd5f237b2ba5d8276bc0e0))
* **tool/cloud-storage:** Support configurable parameters ([#3478](https://github.com/googleapis/mcp-toolbox/issues/3478)) ([bc2de2a](https://github.com/googleapis/mcp-toolbox/commit/bc2de2ab386e0ae8591c4b7f7faa6165b7edf8a2))
* **tools/dataplex-list-data-products:** Add dataplex-list-data-products tool ([#3337](https://github.com/googleapis/mcp-toolbox/issues/3337)) ([6dd669a](https://github.com/googleapis/mcp-toolbox/commit/6dd669ad9bad3e54206a82b3af122d845e2cdc63))
* **tools/dataplex-get-data-product:** Add dataplex-get-data-product tool ([#3499](https://github.com/googleapis/mcp-toolbox/issues/3499)) ([7ea7a09](https://github.com/googleapis/mcp-toolbox/commit/7ea7a095cc6dcf85520a8f39c4cd5a20062289f7))
* **tools/dataplex-list-data-assets:** Add dataplex-list-data-assets tool ([#3500](https://github.com/googleapis/mcp-toolbox/issues/3500)) ([182f933](https://github.com/googleapis/mcp-toolbox/commit/182f9332d67cc90d81f78b536081a7f47766d966))
* **tools/looker:** Support complex filter_expression parameter in queries ([#3494](https://github.com/googleapis/mcp-toolbox/issues/3494)) ([997fb8c](https://github.com/googleapis/mcp-toolbox/commit/997fb8c39a4cb60173bcc8543118057e77e0fce4))
* **tools/looker:** Support dynamic_fields parameter in queries ([#3507](https://github.com/googleapis/mcp-toolbox/issues/3507)) ([cd22b89](https://github.com/googleapis/mcp-toolbox/commit/cd22b893573f87c0d5406490b71ddf317a07dc7b))


### Bug Fixes

* **tools/gda:** Support mTLS and GOOGLE_API_USE_MTLS_ENDPOINT for GDA client ([#3460](https://github.com/googleapis/mcp-toolbox/issues/3460)) ([cc2a61e](https://github.com/googleapis/mcp-toolbox/commit/cc2a61e9a522136d07f7be9b8bc87916f32bf076))
* **tools/looker-conversational-analytics:** Validate explore_references shape instead of panicking ([#3531](https://github.com/googleapis/mcp-toolbox/issues/3531)) ([b67419d](https://github.com/googleapis/mcp-toolbox/commit/b67419d34bfc437b6eace5abaaf02ae1339d83ee))
* **tool/looker-create-view-from-table:** Correct Looker API payload structure ([#3515](https://github.com/googleapis/mcp-toolbox/issues/3515)) ([18c539c](https://github.com/googleapis/mcp-toolbox/commit/18c539c5935c2a496e7e5da68241b4307d8f3e6e))

| **OS/Architecture**                                                                                       | **Description**                                                                                                          | **SHA256 Hash**                                                     |
| --------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------ | ------------------------------------------------------------------- |
| [linux/amd64](https://storage.googleapis.com/mcp-toolbox-for-databases/v1.6.0/linux/amd64/toolbox) ([Signature](https://storage.googleapis.com/mcp-toolbox-for-databases/v1.6.0/linux/amd64/toolbox.asc)) | For **Linux** systems running on **Intel/AMD 64-bit processors**.                                                        | 0cd6fa1773926a37e55c803542f16ef621eaea38b015ec9778dfaae9f30da302    |
| [darwin/arm64](https://storage.googleapis.com/mcp-toolbox-for-databases/v1.6.0/darwin/arm64/toolbox)      | For **macOS** systems running on **Apple Silicon** (M1, M2, M3, etc.) processors.                                        | feb567fb8416504004ff99acd4661278a88d70cc137681f6535a5e54469c6594    |
| [darwin/amd64](https://storage.googleapis.com/mcp-toolbox-for-databases/v1.6.0/darwin/amd64/toolbox)      | For **macOS** systems running on **Intel processors**.                                                                   | fbb5af6b170431edb08741828a2581f9ee8548dd37c3e8222a3c2722f0007f32    |
| [windows/amd64](https://storage.googleapis.com/mcp-toolbox-for-databases/v1.6.0/windows/amd64/toolbox.exe) | For **Windows** systems running on **Intel/AMD 64-bit processors**.                                                      | 3be7e587c86dd9dbdb593a380396f399358c179ce37aed3045b4c8bf42569394    |
| [windows/arm64](https://storage.googleapis.com/mcp-toolbox-for-databases/v1.6.0/windows/arm64/toolbox.exe) | For **Windows** systems running on **ARM 64-bit processors**.                                                            | 3c6345114032a0671a5b66764673124ec4c27b5b41d1816ea15ac8afb5ca7cdc    |