feat: add new user-agent-metadata flag#2302
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Summary of ChangesHello @Yuan325, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed! This pull request enhances the application's command-line interface by introducing a new flag, Highlights
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Code Review
This pull request introduces a new --user-agent-extra flag to append custom metadata to the User-Agent string. The changes are well-contained and the new flag is a good addition for tracking purposes. I've found one high-severity issue where an extra + is appended to the user agent when no extra metadata is provided, and I've suggested a fix. I also left a medium-severity comment to improve a code comment for better clarity and consistency. Overall, great work!
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## Description Add a new `--user-agent-metadata` flag that allows user to append additional user agent metadata. The flag takes in []string and will concatenate it with `.`. ``` go run . --user-agent-metadata=foo ``` produces `0.25.0+dev.darwin.arm64+foo` user agent string ``` go run . --user-agent-metadata=foo,bar ``` produces `0.25.0+dev.darwin.arm64+foo+bar` user agent string ## PR Checklist > Thank you for opening a Pull Request! Before submitting your PR, there are a > few things you can do to make sure it goes smoothly: - [x] Make sure you reviewed [CONTRIBUTING.md](https://github.com/googleapis/genai-toolbox/blob/main/CONTRIBUTING.md) - [x] Make sure to open an issue as a [bug/issue](https://github.com/googleapis/genai-toolbox/issues/new/choose) before writing your code! That way we can discuss the change, evaluate designs, and agree on the general idea - [x] Ensure the tests and linter pass - [x] Code coverage does not decrease (if any source code was changed) - [x] Appropriate docs were updated (if necessary) - [x] Make sure to add `!` if this involve a breaking change 🛠️ Fixes #<issue_number_goes_here> adc9589
## Description Add a new `--user-agent-metadata` flag that allows user to append additional user agent metadata. The flag takes in []string and will concatenate it with `.`. ``` go run . --user-agent-metadata=foo ``` produces `0.25.0+dev.darwin.arm64+foo` user agent string ``` go run . --user-agent-metadata=foo,bar ``` produces `0.25.0+dev.darwin.arm64+foo+bar` user agent string ## PR Checklist > Thank you for opening a Pull Request! Before submitting your PR, there are a > few things you can do to make sure it goes smoothly: - [x] Make sure you reviewed [CONTRIBUTING.md](https://github.com/googleapis/genai-toolbox/blob/main/CONTRIBUTING.md) - [x] Make sure to open an issue as a [bug/issue](https://github.com/googleapis/genai-toolbox/issues/new/choose) before writing your code! That way we can discuss the change, evaluate designs, and agree on the general idea - [x] Ensure the tests and linter pass - [x] Code coverage does not decrease (if any source code was changed) - [x] Appropriate docs were updated (if necessary) - [x] Make sure to add `!` if this involve a breaking change 🛠️ Fixes #<issue_number_goes_here> adc9589
## Description Add a new `--user-agent-metadata` flag that allows user to append additional user agent metadata. The flag takes in []string and will concatenate it with `.`. ``` go run . --user-agent-metadata=foo ``` produces `0.25.0+dev.darwin.arm64+foo` user agent string ``` go run . --user-agent-metadata=foo,bar ``` produces `0.25.0+dev.darwin.arm64+foo+bar` user agent string ## PR Checklist > Thank you for opening a Pull Request! Before submitting your PR, there are a > few things you can do to make sure it goes smoothly: - [x] Make sure you reviewed [CONTRIBUTING.md](https://github.com/googleapis/genai-toolbox/blob/main/CONTRIBUTING.md) - [x] Make sure to open an issue as a [bug/issue](https://github.com/googleapis/genai-toolbox/issues/new/choose) before writing your code! That way we can discuss the change, evaluate designs, and agree on the general idea - [x] Ensure the tests and linter pass - [x] Code coverage does not decrease (if any source code was changed) - [x] Appropriate docs were updated (if necessary) - [x] Make sure to add `!` if this involve a breaking change 🛠️ Fixes #<issue_number_goes_here> adc9589
## Description Add a new `--user-agent-metadata` flag that allows user to append additional user agent metadata. The flag takes in []string and will concatenate it with `.`. ``` go run . --user-agent-metadata=foo ``` produces `0.25.0+dev.darwin.arm64+foo` user agent string ``` go run . --user-agent-metadata=foo,bar ``` produces `0.25.0+dev.darwin.arm64+foo+bar` user agent string ## PR Checklist > Thank you for opening a Pull Request! Before submitting your PR, there are a > few things you can do to make sure it goes smoothly: - [x] Make sure you reviewed [CONTRIBUTING.md](https://github.com/googleapis/genai-toolbox/blob/main/CONTRIBUTING.md) - [x] Make sure to open an issue as a [bug/issue](https://github.com/googleapis/genai-toolbox/issues/new/choose) before writing your code! That way we can discuss the change, evaluate designs, and agree on the general idea - [x] Ensure the tests and linter pass - [x] Code coverage does not decrease (if any source code was changed) - [x] Appropriate docs were updated (if necessary) - [x] Make sure to add `!` if this involve a breaking change 🛠️ Fixes #<issue_number_goes_here> adc9589
## Description Add a new `--user-agent-metadata` flag that allows user to append additional user agent metadata. The flag takes in []string and will concatenate it with `.`. ``` go run . --user-agent-metadata=foo ``` produces `0.25.0+dev.darwin.arm64+foo` user agent string ``` go run . --user-agent-metadata=foo,bar ``` produces `0.25.0+dev.darwin.arm64+foo+bar` user agent string ## PR Checklist > Thank you for opening a Pull Request! Before submitting your PR, there are a > few things you can do to make sure it goes smoothly: - [x] Make sure you reviewed [CONTRIBUTING.md](https://github.com/googleapis/genai-toolbox/blob/main/CONTRIBUTING.md) - [x] Make sure to open an issue as a [bug/issue](https://github.com/googleapis/genai-toolbox/issues/new/choose) before writing your code! That way we can discuss the change, evaluate designs, and agree on the general idea - [x] Ensure the tests and linter pass - [x] Code coverage does not decrease (if any source code was changed) - [x] Appropriate docs were updated (if necessary) - [x] Make sure to add `!` if this involve a breaking change 🛠️ Fixes #<issue_number_goes_here> adc9589
## Description Add a new `--user-agent-metadata` flag that allows user to append additional user agent metadata. The flag takes in []string and will concatenate it with `.`. ``` go run . --user-agent-metadata=foo ``` produces `0.25.0+dev.darwin.arm64+foo` user agent string ``` go run . --user-agent-metadata=foo,bar ``` produces `0.25.0+dev.darwin.arm64+foo+bar` user agent string ## PR Checklist > Thank you for opening a Pull Request! Before submitting your PR, there are a > few things you can do to make sure it goes smoothly: - [x] Make sure you reviewed [CONTRIBUTING.md](https://github.com/googleapis/genai-toolbox/blob/main/CONTRIBUTING.md) - [x] Make sure to open an issue as a [bug/issue](https://github.com/googleapis/genai-toolbox/issues/new/choose) before writing your code! That way we can discuss the change, evaluate designs, and agree on the general idea - [x] Ensure the tests and linter pass - [x] Code coverage does not decrease (if any source code was changed) - [x] Appropriate docs were updated (if necessary) - [x] Make sure to add `!` if this involve a breaking change 🛠️ Fixes #<issue_number_goes_here>
🤖 I have created a release *beep* *boop* --- ## [0.26.0](v0.25.0...v0.26.0) (2026-01-22) ### ⚠ BREAKING CHANGES * Validate tool naming ([#2305](#2305)) ([5054212](5054212)) * **tools/cloudgda:** Update description and parameter name for cloudgda tool ([#2288](#2288)) ([6b02591](6b02591)) ### Features * Add new `user-agent-metadata` flag ([#2302](#2302)) ([adc9589](adc9589)) * Add remaining flag to Toolbox server in MCP registry ([#2272](#2272)) ([5e0999e](5e0999e)) * **embeddingModel:** Add embedding model to MCP handler ([#2310](#2310)) ([e4f60e5](e4f60e5)) * **sources/bigquery:** Make maximum rows returned from queries configurable ([#2262](#2262)) ([4abf0c3](4abf0c3)) * **prebuilt/cloud-sql:** Add create backup tool for Cloud SQL ([#2141](#2141)) ([8e0fb03](8e0fb03)) * **prebuilt/cloud-sql:** Add restore backup tool for Cloud SQL ([#2171](#2171)) ([00c3e6d](00c3e6d)) * Support combining multiple prebuilt configurations ([#2295](#2295)) ([e535b37](e535b37)) * Support MCP specs version 2025-11-25 ([#2303](#2303)) ([4d23a3b](4d23a3b)) * **tools:** Add `valueFromParam` support to Tool config ([#2333](#2333)) ([15101b1](15101b1)) ### Bug Fixes * **tools/cloudhealthcare:** Add check for client authorization before retrieving token string ([#2327](#2327)) ([c25a233](c25a233)) --- This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please). --------- Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com> Co-authored-by: Yuan Teoh <45984206+Yuan325@users.noreply.github.com>
🤖 I have created a release *beep* *boop* --- ## [0.26.0](v0.25.0...v0.26.0) (2026-01-22) ### ⚠ BREAKING CHANGES * Validate tool naming ([#2305](#2305)) ([5054212](5054212)) * **tools/cloudgda:** Update description and parameter name for cloudgda tool ([#2288](#2288)) ([6b02591](6b02591)) ### Features * Add new `user-agent-metadata` flag ([#2302](#2302)) ([adc9589](adc9589)) * Add remaining flag to Toolbox server in MCP registry ([#2272](#2272)) ([5e0999e](5e0999e)) * **embeddingModel:** Add embedding model to MCP handler ([#2310](#2310)) ([e4f60e5](e4f60e5)) * **sources/bigquery:** Make maximum rows returned from queries configurable ([#2262](#2262)) ([4abf0c3](4abf0c3)) * **prebuilt/cloud-sql:** Add create backup tool for Cloud SQL ([#2141](#2141)) ([8e0fb03](8e0fb03)) * **prebuilt/cloud-sql:** Add restore backup tool for Cloud SQL ([#2171](#2171)) ([00c3e6d](00c3e6d)) * Support combining multiple prebuilt configurations ([#2295](#2295)) ([e535b37](e535b37)) * Support MCP specs version 2025-11-25 ([#2303](#2303)) ([4d23a3b](4d23a3b)) * **tools:** Add `valueFromParam` support to Tool config ([#2333](#2333)) ([15101b1](15101b1)) ### Bug Fixes * **tools/cloudhealthcare:** Add check for client authorization before retrieving token string ([#2327](#2327)) ([c25a233](c25a233)) --- This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please). --------- Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com> Co-authored-by: Yuan Teoh <45984206+Yuan325@users.noreply.github.com> 86bf7bf
🤖 I have created a release *beep* *boop* --- ## [0.26.0](googleapis/mcp-toolbox@v0.25.0...v0.26.0) (2026-01-22) ### ⚠ BREAKING CHANGES * Validate tool naming ([googleapis#2305](googleapis#2305)) ([5054212](googleapis@5054212)) * **tools/cloudgda:** Update description and parameter name for cloudgda tool ([googleapis#2288](googleapis#2288)) ([6b02591](googleapis@6b02591)) ### Features * Add new `user-agent-metadata` flag ([googleapis#2302](googleapis#2302)) ([adc9589](googleapis@adc9589)) * Add remaining flag to Toolbox server in MCP registry ([googleapis#2272](googleapis#2272)) ([5e0999e](googleapis@5e0999e)) * **embeddingModel:** Add embedding model to MCP handler ([googleapis#2310](googleapis#2310)) ([e4f60e5](googleapis@e4f60e5)) * **sources/bigquery:** Make maximum rows returned from queries configurable ([googleapis#2262](googleapis#2262)) ([4abf0c3](googleapis@4abf0c3)) * **prebuilt/cloud-sql:** Add create backup tool for Cloud SQL ([googleapis#2141](googleapis#2141)) ([8e0fb03](googleapis@8e0fb03)) * **prebuilt/cloud-sql:** Add restore backup tool for Cloud SQL ([googleapis#2171](googleapis#2171)) ([00c3e6d](googleapis@00c3e6d)) * Support combining multiple prebuilt configurations ([googleapis#2295](googleapis#2295)) ([e535b37](googleapis@e535b37)) * Support MCP specs version 2025-11-25 ([googleapis#2303](googleapis#2303)) ([4d23a3b](googleapis@4d23a3b)) * **tools:** Add `valueFromParam` support to Tool config ([googleapis#2333](googleapis#2333)) ([15101b1](googleapis@15101b1)) ### Bug Fixes * **tools/cloudhealthcare:** Add check for client authorization before retrieving token string ([googleapis#2327](googleapis#2327)) ([c25a233](googleapis@c25a233)) --- This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please). --------- Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com> Co-authored-by: Yuan Teoh <45984206+Yuan325@users.noreply.github.com> 86bf7bf
🤖 I have created a release *beep* *boop* --- ## [0.26.0](googleapis/mcp-toolbox@v0.25.0...v0.26.0) (2026-01-22) ### ⚠ BREAKING CHANGES * Validate tool naming ([googleapis#2305](googleapis#2305)) ([5054212](googleapis@5054212)) * **tools/cloudgda:** Update description and parameter name for cloudgda tool ([googleapis#2288](googleapis#2288)) ([6b02591](googleapis@6b02591)) ### Features * Add new `user-agent-metadata` flag ([googleapis#2302](googleapis#2302)) ([adc9589](googleapis@adc9589)) * Add remaining flag to Toolbox server in MCP registry ([googleapis#2272](googleapis#2272)) ([5e0999e](googleapis@5e0999e)) * **embeddingModel:** Add embedding model to MCP handler ([googleapis#2310](googleapis#2310)) ([e4f60e5](googleapis@e4f60e5)) * **sources/bigquery:** Make maximum rows returned from queries configurable ([googleapis#2262](googleapis#2262)) ([4abf0c3](googleapis@4abf0c3)) * **prebuilt/cloud-sql:** Add create backup tool for Cloud SQL ([googleapis#2141](googleapis#2141)) ([8e0fb03](googleapis@8e0fb03)) * **prebuilt/cloud-sql:** Add restore backup tool for Cloud SQL ([googleapis#2171](googleapis#2171)) ([00c3e6d](googleapis@00c3e6d)) * Support combining multiple prebuilt configurations ([googleapis#2295](googleapis#2295)) ([e535b37](googleapis@e535b37)) * Support MCP specs version 2025-11-25 ([googleapis#2303](googleapis#2303)) ([4d23a3b](googleapis@4d23a3b)) * **tools:** Add `valueFromParam` support to Tool config ([googleapis#2333](googleapis#2333)) ([15101b1](googleapis@15101b1)) ### Bug Fixes * **tools/cloudhealthcare:** Add check for client authorization before retrieving token string ([googleapis#2327](googleapis#2327)) ([c25a233](googleapis@c25a233)) --- This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please). --------- Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com> Co-authored-by: Yuan Teoh <45984206+Yuan325@users.noreply.github.com> 86bf7bf
🤖 I have created a release *beep* *boop* --- ## [0.26.0](googleapis/mcp-toolbox@v0.25.0...v0.26.0) (2026-01-22) ### ⚠ BREAKING CHANGES * Validate tool naming ([googleapis#2305](googleapis#2305)) ([5054212](googleapis@5054212)) * **tools/cloudgda:** Update description and parameter name for cloudgda tool ([googleapis#2288](googleapis#2288)) ([6b02591](googleapis@6b02591)) ### Features * Add new `user-agent-metadata` flag ([googleapis#2302](googleapis#2302)) ([adc9589](googleapis@adc9589)) * Add remaining flag to Toolbox server in MCP registry ([googleapis#2272](googleapis#2272)) ([5e0999e](googleapis@5e0999e)) * **embeddingModel:** Add embedding model to MCP handler ([googleapis#2310](googleapis#2310)) ([e4f60e5](googleapis@e4f60e5)) * **sources/bigquery:** Make maximum rows returned from queries configurable ([googleapis#2262](googleapis#2262)) ([4abf0c3](googleapis@4abf0c3)) * **prebuilt/cloud-sql:** Add create backup tool for Cloud SQL ([googleapis#2141](googleapis#2141)) ([8e0fb03](googleapis@8e0fb03)) * **prebuilt/cloud-sql:** Add restore backup tool for Cloud SQL ([googleapis#2171](googleapis#2171)) ([00c3e6d](googleapis@00c3e6d)) * Support combining multiple prebuilt configurations ([googleapis#2295](googleapis#2295)) ([e535b37](googleapis@e535b37)) * Support MCP specs version 2025-11-25 ([googleapis#2303](googleapis#2303)) ([4d23a3b](googleapis@4d23a3b)) * **tools:** Add `valueFromParam` support to Tool config ([googleapis#2333](googleapis#2333)) ([15101b1](googleapis@15101b1)) ### Bug Fixes * **tools/cloudhealthcare:** Add check for client authorization before retrieving token string ([googleapis#2327](googleapis#2327)) ([c25a233](googleapis@c25a233)) --- This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please). --------- Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com> Co-authored-by: Yuan Teoh <45984206+Yuan325@users.noreply.github.com> 86bf7bf
🤖 I have created a release *beep* *boop* --- ## [0.26.0](googleapis/mcp-toolbox@v0.25.0...v0.26.0) (2026-01-22) ### ⚠ BREAKING CHANGES * Validate tool naming ([googleapis#2305](googleapis#2305)) ([5054212](googleapis@5054212)) * **tools/cloudgda:** Update description and parameter name for cloudgda tool ([googleapis#2288](googleapis#2288)) ([6b02591](googleapis@6b02591)) ### Features * Add new `user-agent-metadata` flag ([googleapis#2302](googleapis#2302)) ([adc9589](googleapis@adc9589)) * Add remaining flag to Toolbox server in MCP registry ([googleapis#2272](googleapis#2272)) ([5e0999e](googleapis@5e0999e)) * **embeddingModel:** Add embedding model to MCP handler ([googleapis#2310](googleapis#2310)) ([e4f60e5](googleapis@e4f60e5)) * **sources/bigquery:** Make maximum rows returned from queries configurable ([googleapis#2262](googleapis#2262)) ([4abf0c3](googleapis@4abf0c3)) * **prebuilt/cloud-sql:** Add create backup tool for Cloud SQL ([googleapis#2141](googleapis#2141)) ([8e0fb03](googleapis@8e0fb03)) * **prebuilt/cloud-sql:** Add restore backup tool for Cloud SQL ([googleapis#2171](googleapis#2171)) ([00c3e6d](googleapis@00c3e6d)) * Support combining multiple prebuilt configurations ([googleapis#2295](googleapis#2295)) ([e535b37](googleapis@e535b37)) * Support MCP specs version 2025-11-25 ([googleapis#2303](googleapis#2303)) ([4d23a3b](googleapis@4d23a3b)) * **tools:** Add `valueFromParam` support to Tool config ([googleapis#2333](googleapis#2333)) ([15101b1](googleapis@15101b1)) ### Bug Fixes * **tools/cloudhealthcare:** Add check for client authorization before retrieving token string ([googleapis#2327](googleapis#2327)) ([c25a233](googleapis@c25a233)) --- This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please). --------- Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com> Co-authored-by: Yuan Teoh <45984206+Yuan325@users.noreply.github.com> 86bf7bf
🤖 I have created a release *beep* *boop* --- ## [0.26.0](googleapis/mcp-toolbox@v0.25.0...v0.26.0) (2026-01-22) ### ⚠ BREAKING CHANGES * Validate tool naming ([googleapis#2305](googleapis#2305)) ([5054212](googleapis@5054212)) * **tools/cloudgda:** Update description and parameter name for cloudgda tool ([googleapis#2288](googleapis#2288)) ([6b02591](googleapis@6b02591)) ### Features * Add new `user-agent-metadata` flag ([googleapis#2302](googleapis#2302)) ([adc9589](googleapis@adc9589)) * Add remaining flag to Toolbox server in MCP registry ([googleapis#2272](googleapis#2272)) ([5e0999e](googleapis@5e0999e)) * **embeddingModel:** Add embedding model to MCP handler ([googleapis#2310](googleapis#2310)) ([e4f60e5](googleapis@e4f60e5)) * **sources/bigquery:** Make maximum rows returned from queries configurable ([googleapis#2262](googleapis#2262)) ([4abf0c3](googleapis@4abf0c3)) * **prebuilt/cloud-sql:** Add create backup tool for Cloud SQL ([googleapis#2141](googleapis#2141)) ([8e0fb03](googleapis@8e0fb03)) * **prebuilt/cloud-sql:** Add restore backup tool for Cloud SQL ([googleapis#2171](googleapis#2171)) ([00c3e6d](googleapis@00c3e6d)) * Support combining multiple prebuilt configurations ([googleapis#2295](googleapis#2295)) ([e535b37](googleapis@e535b37)) * Support MCP specs version 2025-11-25 ([googleapis#2303](googleapis#2303)) ([4d23a3b](googleapis@4d23a3b)) * **tools:** Add `valueFromParam` support to Tool config ([googleapis#2333](googleapis#2333)) ([15101b1](googleapis@15101b1)) ### Bug Fixes * **tools/cloudhealthcare:** Add check for client authorization before retrieving token string ([googleapis#2327](googleapis#2327)) ([c25a233](googleapis@c25a233)) --- This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please). --------- Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com> Co-authored-by: Yuan Teoh <45984206+Yuan325@users.noreply.github.com> 86bf7bf
🤖 I have created a release *beep* *boop* --- ## [0.26.0](googleapis/mcp-toolbox@v0.25.0...v0.26.0) (2026-01-22) ### ⚠ BREAKING CHANGES * Validate tool naming ([googleapis#2305](googleapis#2305)) ([5054212](googleapis@5054212)) * **tools/cloudgda:** Update description and parameter name for cloudgda tool ([googleapis#2288](googleapis#2288)) ([6b02591](googleapis@6b02591)) ### Features * Add new `user-agent-metadata` flag ([googleapis#2302](googleapis#2302)) ([adc9589](googleapis@adc9589)) * Add remaining flag to Toolbox server in MCP registry ([googleapis#2272](googleapis#2272)) ([5e0999e](googleapis@5e0999e)) * **embeddingModel:** Add embedding model to MCP handler ([googleapis#2310](googleapis#2310)) ([e4f60e5](googleapis@e4f60e5)) * **sources/bigquery:** Make maximum rows returned from queries configurable ([googleapis#2262](googleapis#2262)) ([4abf0c3](googleapis@4abf0c3)) * **prebuilt/cloud-sql:** Add create backup tool for Cloud SQL ([googleapis#2141](googleapis#2141)) ([8e0fb03](googleapis@8e0fb03)) * **prebuilt/cloud-sql:** Add restore backup tool for Cloud SQL ([googleapis#2171](googleapis#2171)) ([00c3e6d](googleapis@00c3e6d)) * Support combining multiple prebuilt configurations ([googleapis#2295](googleapis#2295)) ([e535b37](googleapis@e535b37)) * Support MCP specs version 2025-11-25 ([googleapis#2303](googleapis#2303)) ([4d23a3b](googleapis@4d23a3b)) * **tools:** Add `valueFromParam` support to Tool config ([googleapis#2333](googleapis#2333)) ([15101b1](googleapis@15101b1)) ### Bug Fixes * **tools/cloudhealthcare:** Add check for client authorization before retrieving token string ([googleapis#2327](googleapis#2327)) ([c25a233](googleapis@c25a233)) --- This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please). --------- Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com> Co-authored-by: Yuan Teoh <45984206+Yuan325@users.noreply.github.com> 86bf7bf
🤖 I have created a release *beep* *boop* --- ## [0.26.0](googleapis/mcp-toolbox@v0.25.0...v0.26.0) (2026-01-22) ### ⚠ BREAKING CHANGES * Validate tool naming ([googleapis#2305](googleapis#2305)) ([5054212](googleapis@5054212)) * **tools/cloudgda:** Update description and parameter name for cloudgda tool ([googleapis#2288](googleapis#2288)) ([6b02591](googleapis@6b02591)) ### Features * Add new `user-agent-metadata` flag ([googleapis#2302](googleapis#2302)) ([adc9589](googleapis@adc9589)) * Add remaining flag to Toolbox server in MCP registry ([googleapis#2272](googleapis#2272)) ([5e0999e](googleapis@5e0999e)) * **embeddingModel:** Add embedding model to MCP handler ([googleapis#2310](googleapis#2310)) ([e4f60e5](googleapis@e4f60e5)) * **sources/bigquery:** Make maximum rows returned from queries configurable ([googleapis#2262](googleapis#2262)) ([4abf0c3](googleapis@4abf0c3)) * **prebuilt/cloud-sql:** Add create backup tool for Cloud SQL ([googleapis#2141](googleapis#2141)) ([8e0fb03](googleapis@8e0fb03)) * **prebuilt/cloud-sql:** Add restore backup tool for Cloud SQL ([googleapis#2171](googleapis#2171)) ([00c3e6d](googleapis@00c3e6d)) * Support combining multiple prebuilt configurations ([googleapis#2295](googleapis#2295)) ([e535b37](googleapis@e535b37)) * Support MCP specs version 2025-11-25 ([googleapis#2303](googleapis#2303)) ([4d23a3b](googleapis@4d23a3b)) * **tools:** Add `valueFromParam` support to Tool config ([googleapis#2333](googleapis#2333)) ([15101b1](googleapis@15101b1)) ### Bug Fixes * **tools/cloudhealthcare:** Add check for client authorization before retrieving token string ([googleapis#2327](googleapis#2327)) ([c25a233](googleapis@c25a233)) --- This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please). --------- Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com> Co-authored-by: Yuan Teoh <45984206+Yuan325@users.noreply.github.com>
## Description Add a new `--user-agent-metadata` flag that allows user to append additional user agent metadata. The flag takes in []string and will concatenate it with `.`. ``` go run . --user-agent-metadata=foo ``` produces `0.25.0+dev.darwin.arm64+foo` user agent string ``` go run . --user-agent-metadata=foo,bar ``` produces `0.25.0+dev.darwin.arm64+foo+bar` user agent string ## PR Checklist > Thank you for opening a Pull Request! Before submitting your PR, there are a > few things you can do to make sure it goes smoothly: - [x] Make sure you reviewed [CONTRIBUTING.md](https://github.com/googleapis/genai-toolbox/blob/main/CONTRIBUTING.md) - [x] Make sure to open an issue as a [bug/issue](https://github.com/googleapis/genai-toolbox/issues/new/choose) before writing your code! That way we can discuss the change, evaluate designs, and agree on the general idea - [x] Ensure the tests and linter pass - [x] Code coverage does not decrease (if any source code was changed) - [x] Appropriate docs were updated (if necessary) - [x] Make sure to add `!` if this involve a breaking change 🛠️ Fixes #<issue_number_goes_here>
🤖 I have created a release *beep* *boop* --- ## [0.26.0](googleapis/mcp-toolbox@v0.25.0...v0.26.0) (2026-01-22) ### ⚠ BREAKING CHANGES * Validate tool naming ([googleapis#2305](googleapis#2305)) ([5054212](googleapis@5054212)) * **tools/cloudgda:** Update description and parameter name for cloudgda tool ([googleapis#2288](googleapis#2288)) ([6b02591](googleapis@6b02591)) ### Features * Add new `user-agent-metadata` flag ([googleapis#2302](googleapis#2302)) ([adc9589](googleapis@adc9589)) * Add remaining flag to Toolbox server in MCP registry ([googleapis#2272](googleapis#2272)) ([5e0999e](googleapis@5e0999e)) * **embeddingModel:** Add embedding model to MCP handler ([googleapis#2310](googleapis#2310)) ([e4f60e5](googleapis@e4f60e5)) * **sources/bigquery:** Make maximum rows returned from queries configurable ([googleapis#2262](googleapis#2262)) ([4abf0c3](googleapis@4abf0c3)) * **prebuilt/cloud-sql:** Add create backup tool for Cloud SQL ([googleapis#2141](googleapis#2141)) ([8e0fb03](googleapis@8e0fb03)) * **prebuilt/cloud-sql:** Add restore backup tool for Cloud SQL ([googleapis#2171](googleapis#2171)) ([00c3e6d](googleapis@00c3e6d)) * Support combining multiple prebuilt configurations ([googleapis#2295](googleapis#2295)) ([e535b37](googleapis@e535b37)) * Support MCP specs version 2025-11-25 ([googleapis#2303](googleapis#2303)) ([4d23a3b](googleapis@4d23a3b)) * **tools:** Add `valueFromParam` support to Tool config ([googleapis#2333](googleapis#2333)) ([15101b1](googleapis@15101b1)) ### Bug Fixes * **tools/cloudhealthcare:** Add check for client authorization before retrieving token string ([googleapis#2327](googleapis#2327)) ([c25a233](googleapis@c25a233)) --- This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please). --------- Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com> Co-authored-by: Yuan Teoh <45984206+Yuan325@users.noreply.github.com>
🤖 I have created a release *beep* *boop* --- ## [0.26.0](googleapis/mcp-toolbox@v0.25.0...v0.26.0) (2026-01-22) ### ⚠ BREAKING CHANGES * Validate tool naming ([googleapis#2305](googleapis#2305)) ([5054212](googleapis@5054212)) * **tools/cloudgda:** Update description and parameter name for cloudgda tool ([googleapis#2288](googleapis#2288)) ([6b02591](googleapis@6b02591)) ### Features * Add new `user-agent-metadata` flag ([googleapis#2302](googleapis#2302)) ([adc9589](googleapis@adc9589)) * Add remaining flag to Toolbox server in MCP registry ([googleapis#2272](googleapis#2272)) ([5e0999e](googleapis@5e0999e)) * **embeddingModel:** Add embedding model to MCP handler ([googleapis#2310](googleapis#2310)) ([e4f60e5](googleapis@e4f60e5)) * **sources/bigquery:** Make maximum rows returned from queries configurable ([googleapis#2262](googleapis#2262)) ([4abf0c3](googleapis@4abf0c3)) * **prebuilt/cloud-sql:** Add create backup tool for Cloud SQL ([googleapis#2141](googleapis#2141)) ([8e0fb03](googleapis@8e0fb03)) * **prebuilt/cloud-sql:** Add restore backup tool for Cloud SQL ([googleapis#2171](googleapis#2171)) ([00c3e6d](googleapis@00c3e6d)) * Support combining multiple prebuilt configurations ([googleapis#2295](googleapis#2295)) ([e535b37](googleapis@e535b37)) * Support MCP specs version 2025-11-25 ([googleapis#2303](googleapis#2303)) ([4d23a3b](googleapis@4d23a3b)) * **tools:** Add `valueFromParam` support to Tool config ([googleapis#2333](googleapis#2333)) ([15101b1](googleapis@15101b1)) ### Bug Fixes * **tools/cloudhealthcare:** Add check for client authorization before retrieving token string ([googleapis#2327](googleapis#2327)) ([c25a233](googleapis@c25a233)) --- This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please). --------- Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com> Co-authored-by: Yuan Teoh <45984206+Yuan325@users.noreply.github.com>
🤖 I have created a release *beep* *boop* --- ## [0.26.0](googleapis/mcp-toolbox@v0.25.0...v0.26.0) (2026-01-22) ### ⚠ BREAKING CHANGES * Validate tool naming ([#2305](googleapis/mcp-toolbox#2305)) ([5054212](googleapis/mcp-toolbox@5054212)) * **tools/cloudgda:** Update description and parameter name for cloudgda tool ([#2288](googleapis/mcp-toolbox#2288)) ([6b02591](googleapis/mcp-toolbox@6b02591)) ### Features * Add new `user-agent-metadata` flag ([#2302](googleapis/mcp-toolbox#2302)) ([adc9589](googleapis/mcp-toolbox@adc9589)) * Add remaining flag to Toolbox server in MCP registry ([#2272](googleapis/mcp-toolbox#2272)) ([5e0999e](googleapis/mcp-toolbox@5e0999e)) * **embeddingModel:** Add embedding model to MCP handler ([#2310](googleapis/mcp-toolbox#2310)) ([e4f60e5](googleapis/mcp-toolbox@e4f60e5)) * **sources/bigquery:** Make maximum rows returned from queries configurable ([#2262](googleapis/mcp-toolbox#2262)) ([4abf0c3](googleapis/mcp-toolbox@4abf0c3)) * **prebuilt/cloud-sql:** Add create backup tool for Cloud SQL ([#2141](googleapis/mcp-toolbox#2141)) ([8e0fb03](googleapis/mcp-toolbox@8e0fb03)) * **prebuilt/cloud-sql:** Add restore backup tool for Cloud SQL ([#2171](googleapis/mcp-toolbox#2171)) ([00c3e6d](googleapis/mcp-toolbox@00c3e6d)) * Support combining multiple prebuilt configurations ([#2295](googleapis/mcp-toolbox#2295)) ([e535b37](googleapis/mcp-toolbox@e535b37)) * Support MCP specs version 2025-11-25 ([#2303](googleapis/mcp-toolbox#2303)) ([4d23a3b](googleapis/mcp-toolbox@4d23a3b)) * **tools:** Add `valueFromParam` support to Tool config ([#2333](googleapis/mcp-toolbox#2333)) ([15101b1](googleapis/mcp-toolbox@15101b1)) ### Bug Fixes * **tools/cloudhealthcare:** Add check for client authorization before retrieving token string ([#2327](googleapis/mcp-toolbox#2327)) ([c25a233](googleapis/mcp-toolbox@c25a233)) --- This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please). --------- Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com> Co-authored-by: Yuan Teoh <45984206+Yuan325@users.noreply.github.com>
Description
Add a new
--user-agent-metadataflag that allows user to append additional user agent metadata. The flag takes in []string and will concatenate it with..produces
0.25.0+dev.darwin.arm64+foouser agent stringproduces
0.25.0+dev.darwin.arm64+foo+baruser agent stringPR Checklist
CONTRIBUTING.md
bug/issue
before writing your code! That way we can discuss the change, evaluate
designs, and agree on the general idea
!if this involve a breaking change🛠️ Fixes #<issue_number_goes_here>