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feat: support for annotations#2007

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drstrangelooker merged 8 commits into
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looker-tool-annotations
Nov 26, 2025
Merged

feat: support for annotations#2007
drstrangelooker merged 8 commits into
mainfrom
looker-tool-annotations

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Description

The MCP spec supports tool annotations like the below structure in the 2025-06-18 version of the spec.
https://modelcontextprotocol.io/specification/2025-06-18/schema#toolannotations

{
  destructiveHint?: boolean;
  idempotentHint?: boolean;
  openWorldHint?: boolean;
  readOnlyHint?: boolean;
}

Added a ToolAnnotations structure, an Annotations member to the McpManifest structure, and a nil initializer for the Annotations member to all calls to GetMcpManifest.

The ToolAnnotations structure and the member annotations are all defined as pointers so that they are omited when not set. There are times when the zero value is meaningful so this was the only way to make sure that we distinguish between not setting the annotation and setting it with a zero value.

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:

  • Make sure you reviewed
    CONTRIBUTING.md
  • Make sure to open an issue as a
    bug/issue
    before writing your code! That way we can discuss the change, evaluate
    designs, and agree on the general idea
  • Ensure the tests and linter pass
  • Code coverage does not decrease (if any source code was changed)
  • Appropriate docs were updated (if necessary)
  • Make sure to add ! if this involve a breaking change

🛠️ Fixes #927

@drstrangelooker drstrangelooker requested a review from a team November 20, 2025 19:11
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Summary of Changes

Hello @drstrangelooker, 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 Model Context Protocol (MCP) implementation by adding support for tool annotations. This feature allows tools to declare specific operational characteristics, such as whether they are read-only or destructive, directly within their manifest. The changes involve introducing a new ToolAnnotations data structure, integrating it into the McpManifest, and updating all tool initializations to accommodate this new field. Special attention was given to maintaining backward compatibility for older MCP versions and explicitly defining ReadOnlyHint for relevant Looker tools to accurately reflect their behavior.

Highlights

  • New ToolAnnotations Structure: Introduced a ToolAnnotations struct in internal/tools/tools.go to support tool-specific metadata like destructiveHint, idempotentHint, openWorldHint, and readOnlyHint, aligning with the MCP spec.
  • McpManifest and GetMcpManifest Update: The McpManifest struct now includes an Annotations field, and the GetMcpManifest function has been updated to accept and assign these annotations.
  • Backward Compatibility for Older MCP Versions: Explicitly set Annotations to nil in older MCP server versions (v20241105 and v20250326) to prevent them from exposing the new annotation fields.
  • Looker Tool-Specific Annotations: Several Looker tools have been updated to explicitly define ReadOnlyHint within their ToolAnnotations, indicating whether they perform read-only operations.
  • Widespread GetMcpManifest Call Updates: All other tool initializations were updated to pass nil for the new annotations parameter, ensuring default behavior where annotations are not explicitly set.
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Code Review

This pull request adds support for tool annotations as defined in the MCP specification, which is a valuable feature. The implementation correctly introduces a ToolAnnotations struct and updates the GetMcpManifest function. However, I've found a few critical issues: the ToolAnnotations struct is missing json tags, which will lead to incorrect serialization, and the logic for excluding annotations in older API versions is incorrect because it modifies copies of slice elements. I've also suggested adding test coverage for the new annotations feature. Addressing these points will ensure the feature is robust and compliant with the spec.

Comment thread internal/server/mcp/v20241105/method.go Outdated
Comment thread internal/server/mcp/v20250326/method.go Outdated
Comment thread internal/tools/tools.go
@drstrangelooker drstrangelooker force-pushed the looker-tool-annotations branch 2 times, most recently from 10a3797 to 980d771 Compare November 20, 2025 19:39
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/gemini review

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Code Review

This pull request successfully adds support for MCP tool annotations, introducing the ToolAnnotations struct and integrating it into the McpManifest. The widespread updates to GetMcpManifest calls are consistent and correct. I've provided a couple of suggestions for the internal/server/mcp/*/method.go files to enhance safety by avoiding in-place modification of manifest slices, which will make the code more robust. The addition of specific annotations to the Looker tools is a valuable improvement.

Comment thread internal/server/mcp/v20241105/method.go Outdated
Comment thread internal/server/mcp/v20250326/method.go Outdated
@drstrangelooker drstrangelooker force-pushed the looker-tool-annotations branch 2 times, most recently from bb350cf to 195089c Compare November 24, 2025 15:47
Comment thread internal/tools/tools_test.go Outdated
@averikitsch averikitsch added the do not merge Indicates a pull request not ready for merge, due to either quality or timing. label Nov 24, 2025
@drstrangelooker drstrangelooker force-pushed the looker-tool-annotations branch 2 times, most recently from 8703b2c to 0ac456f Compare November 24, 2025 17:52
Comment thread internal/tools/tools.go

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What do we think about expose this in the custom tools.yaml?

@drstrangelooker

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What do we think about expose this in the custom tools.yaml?

I think that is a great idea.

@drstrangelooker drstrangelooker force-pushed the looker-tool-annotations branch 2 times, most recently from c448a81 to 5be1e7d Compare November 25, 2025 16:30
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What do we think about expose this in the custom tools.yaml?

If I understand how yaml serialization is done it should be pretty trivial.

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What do we think about expose this in the custom tools.yaml?

@averikitsch I moved it into the tools config. Take a look at the prebuilt looker.yaml for examples.

@drstrangelooker drstrangelooker force-pushed the looker-tool-annotations branch 4 times, most recently from 645a2d9 to d6a4400 Compare November 25, 2025 23:05
@averikitsch averikitsch removed the do not merge Indicates a pull request not ready for merge, due to either quality or timing. label Nov 26, 2025
drstrangelooker and others added 3 commits November 26, 2025 08:36
The MCP spec supports tool annotations like the
below structure in the 2025-06-18 version of the
spec.
https://modelcontextprotocol.io/specification/2025-06-18/schema#toolannotations

```
{
  destructiveHint?: boolean;
  idempotentHint?: boolean;
  openWorldHint?: boolean;
  readOnlyHint?: boolean;
}
```

Added a ToolAnnotations structure, an Annotations
member to the McpManifest structure, and a nil
initializer for the Annotations member to all calls
to GetMcpManifest.

The ToolAnnotations structure and the member annotations
are all defined as pointers so that they are omited when
not set. There are times when the zero value is meaningful
so this was the only way to make sure that we distinguish
between not setting the annotation and setting it with
a zero value.
Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>
@drstrangelooker drstrangelooker enabled auto-merge (squash) November 26, 2025 13:37
@drstrangelooker drstrangelooker merged commit ac21335 into main Nov 26, 2025
11 checks passed
@drstrangelooker drstrangelooker deleted the looker-tool-annotations branch November 26, 2025 13:53
github-actions Bot pushed a commit to CrazyForks/genai-toolbox that referenced this pull request Nov 26, 2025
## Description

The MCP spec supports tool annotations like the below structure in the
2025-06-18 version of the spec.

https://modelcontextprotocol.io/specification/2025-06-18/schema#toolannotations

```
{
  destructiveHint?: boolean;
  idempotentHint?: boolean;
  openWorldHint?: boolean;
  readOnlyHint?: boolean;
}
```

Added a ToolAnnotations structure, an Annotations member to the
McpManifest structure, and a nil initializer for the Annotations member
to all calls to GetMcpManifest.

The ToolAnnotations structure and the member annotations are all defined
as pointers so that they are omited when not set. There are times when
the zero value is meaningful so this was the only way to make sure that
we distinguish between not setting the annotation and setting it with a
zero value.

## 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 googleapis#927

---------

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com> ac21335
github-actions Bot pushed a commit to Jaleel-zhu/genai-toolbox that referenced this pull request Nov 26, 2025
## Description

The MCP spec supports tool annotations like the below structure in the
2025-06-18 version of the spec.

https://modelcontextprotocol.io/specification/2025-06-18/schema#toolannotations

```
{
  destructiveHint?: boolean;
  idempotentHint?: boolean;
  openWorldHint?: boolean;
  readOnlyHint?: boolean;
}
```

Added a ToolAnnotations structure, an Annotations member to the
McpManifest structure, and a nil initializer for the Annotations member
to all calls to GetMcpManifest.

The ToolAnnotations structure and the member annotations are all defined
as pointers so that they are omited when not set. There are times when
the zero value is meaningful so this was the only way to make sure that
we distinguish between not setting the annotation and setting it with a
zero value.

## 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 googleapis#927

---------

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com> ac21335
duwenxin99 added a commit that referenced this pull request Dec 5, 2025
🤖 I have created a release *beep* *boop*
---


##
[0.22.0](v0.21.0...v0.22.0)
(2025-12-04)


### Features

* Add allowed-origins flag
([#1984](#1984))
([862868f](862868f))
* **tools/postgres:** Add list-query-stats and get-column-cardinality
functions
([#1976](#1976))
([9f76026](9f76026))
* **tools/spanner:** Add spanner list graphs to prebuiltconfigs
([#2056](#2056))
([0e7fbf4](0e7fbf4))
* **prebuilt/cloud-sql:** Add clone instance tool for cloud sql
([#1845](#1845))
([5e43630](5e43630))
* **serverless-spark:** Add create_pyspark_batch tool
([1bf0b51](1bf0b51))
* **serverless-spark:** Add create_spark_batch tool
([17a9792](17a9792))
* Support alternate accessToken header name
([#1968](#1968))
([18017d6](18017d6))
* Support for annotations
([#2007](#2007))
([ac21335](ac21335))
* **tool/mssql:** Set default host and port for MSSQL source
([#1943](#1943))
([7a9cc63](7a9cc63))
* **tools/cloudsqlpg:** Add CloudSQL PostgreSQL pre-check tool
([#1722](#1722))
([8752e05](8752e05))
* **tools/postgres-list-publication-tables:** Add new
postgres-list-publication-tables tool
([#1919](#1919))
([f4b1f0a](f4b1f0a))
* **tools/postgres-list-tablespaces:** Add new postgres-list-tablespaces
tool ([#1934](#1934))
([5ad7c61](5ad7c61))
* **tools/spanner-list-graph:** Tool impl + docs + tests
([#1923](#1923))
([a0f44d3](a0f44d3))


### Bug Fixes

* Add import for firebirdsql
([#2045](#2045))
([fb7aae9](fb7aae9))
* Correct FAQ to mention HTTP tools
([#2036](#2036))
([7b44237](7b44237))
* Format BigQuery numeric output as decimal strings
([#2084](#2084))
([155bff8](155bff8))
* Set default annotations for tools in code if annotation not provided
in yaml
([#2049](#2049))
([565460c](565460c))
* **tools/alloydb-postgres-list-tables:** Exclude google_ml schema from
list_tables
([#2046](#2046))
([a03984c](a03984c))
* **tools/alloydbcreateuser:** Remove duplication of project praram
([#2028](#2028))
([730ac6d](730ac6d))
* **tools/mongodb:** Remove `required` tag from the `canonical` field
([#2099](#2099))
([744214e](744214e))

---
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: Wenxin Du <117315983+duwenxin99@users.noreply.github.com>
github-actions Bot pushed a commit that referenced this pull request Dec 5, 2025
🤖 I have created a release *beep* *boop*
---

##
[0.22.0](v0.21.0...v0.22.0)
(2025-12-04)

### Features

* Add allowed-origins flag
([#1984](#1984))
([862868f](862868f))
* **tools/postgres:** Add list-query-stats and get-column-cardinality
functions
([#1976](#1976))
([9f76026](9f76026))
* **tools/spanner:** Add spanner list graphs to prebuiltconfigs
([#2056](#2056))
([0e7fbf4](0e7fbf4))
* **prebuilt/cloud-sql:** Add clone instance tool for cloud sql
([#1845](#1845))
([5e43630](5e43630))
* **serverless-spark:** Add create_pyspark_batch tool
([1bf0b51](1bf0b51))
* **serverless-spark:** Add create_spark_batch tool
([17a9792](17a9792))
* Support alternate accessToken header name
([#1968](#1968))
([18017d6](18017d6))
* Support for annotations
([#2007](#2007))
([ac21335](ac21335))
* **tool/mssql:** Set default host and port for MSSQL source
([#1943](#1943))
([7a9cc63](7a9cc63))
* **tools/cloudsqlpg:** Add CloudSQL PostgreSQL pre-check tool
([#1722](#1722))
([8752e05](8752e05))
* **tools/postgres-list-publication-tables:** Add new
postgres-list-publication-tables tool
([#1919](#1919))
([f4b1f0a](f4b1f0a))
* **tools/postgres-list-tablespaces:** Add new postgres-list-tablespaces
tool ([#1934](#1934))
([5ad7c61](5ad7c61))
* **tools/spanner-list-graph:** Tool impl + docs + tests
([#1923](#1923))
([a0f44d3](a0f44d3))

### Bug Fixes

* Add import for firebirdsql
([#2045](#2045))
([fb7aae9](fb7aae9))
* Correct FAQ to mention HTTP tools
([#2036](#2036))
([7b44237](7b44237))
* Format BigQuery numeric output as decimal strings
([#2084](#2084))
([155bff8](155bff8))
* Set default annotations for tools in code if annotation not provided
in yaml
([#2049](#2049))
([565460c](565460c))
* **tools/alloydb-postgres-list-tables:** Exclude google_ml schema from
list_tables
([#2046](#2046))
([a03984c](a03984c))
* **tools/alloydbcreateuser:** Remove duplication of project praram
([#2028](#2028))
([730ac6d](730ac6d))
* **tools/mongodb:** Remove `required` tag from the `canonical` field
([#2099](#2099))
([744214e](744214e))

---
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: Wenxin Du <117315983+duwenxin99@users.noreply.github.com> cb4529c
github-actions Bot pushed a commit to renovate-bot/googleapis-_-genai-toolbox that referenced this pull request Dec 5, 2025
🤖 I have created a release *beep* *boop*
---

##
[0.22.0](googleapis/mcp-toolbox@v0.21.0...v0.22.0)
(2025-12-04)

### Features

* Add allowed-origins flag
([googleapis#1984](googleapis#1984))
([862868f](googleapis@862868f))
* **tools/postgres:** Add list-query-stats and get-column-cardinality
functions
([googleapis#1976](googleapis#1976))
([9f76026](googleapis@9f76026))
* **tools/spanner:** Add spanner list graphs to prebuiltconfigs
([googleapis#2056](googleapis#2056))
([0e7fbf4](googleapis@0e7fbf4))
* **prebuilt/cloud-sql:** Add clone instance tool for cloud sql
([googleapis#1845](googleapis#1845))
([5e43630](googleapis@5e43630))
* **serverless-spark:** Add create_pyspark_batch tool
([1bf0b51](googleapis@1bf0b51))
* **serverless-spark:** Add create_spark_batch tool
([17a9792](googleapis@17a9792))
* Support alternate accessToken header name
([googleapis#1968](googleapis#1968))
([18017d6](googleapis@18017d6))
* Support for annotations
([googleapis#2007](googleapis#2007))
([ac21335](googleapis@ac21335))
* **tool/mssql:** Set default host and port for MSSQL source
([googleapis#1943](googleapis#1943))
([7a9cc63](googleapis@7a9cc63))
* **tools/cloudsqlpg:** Add CloudSQL PostgreSQL pre-check tool
([googleapis#1722](googleapis#1722))
([8752e05](googleapis@8752e05))
* **tools/postgres-list-publication-tables:** Add new
postgres-list-publication-tables tool
([googleapis#1919](googleapis#1919))
([f4b1f0a](googleapis@f4b1f0a))
* **tools/postgres-list-tablespaces:** Add new postgres-list-tablespaces
tool ([googleapis#1934](googleapis#1934))
([5ad7c61](googleapis@5ad7c61))
* **tools/spanner-list-graph:** Tool impl + docs + tests
([googleapis#1923](googleapis#1923))
([a0f44d3](googleapis@a0f44d3))

### Bug Fixes

* Add import for firebirdsql
([googleapis#2045](googleapis#2045))
([fb7aae9](googleapis@fb7aae9))
* Correct FAQ to mention HTTP tools
([googleapis#2036](googleapis#2036))
([7b44237](googleapis@7b44237))
* Format BigQuery numeric output as decimal strings
([googleapis#2084](googleapis#2084))
([155bff8](googleapis@155bff8))
* Set default annotations for tools in code if annotation not provided
in yaml
([googleapis#2049](googleapis#2049))
([565460c](googleapis@565460c))
* **tools/alloydb-postgres-list-tables:** Exclude google_ml schema from
list_tables
([googleapis#2046](googleapis#2046))
([a03984c](googleapis@a03984c))
* **tools/alloydbcreateuser:** Remove duplication of project praram
([googleapis#2028](googleapis#2028))
([730ac6d](googleapis@730ac6d))
* **tools/mongodb:** Remove `required` tag from the `canonical` field
([googleapis#2099](googleapis#2099))
([744214e](googleapis@744214e))

---
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: Wenxin Du <117315983+duwenxin99@users.noreply.github.com> cb4529c
github-actions Bot pushed a commit to Jaleel-zhu/genai-toolbox that referenced this pull request Dec 5, 2025
🤖 I have created a release *beep* *boop*
---

##
[0.22.0](googleapis/mcp-toolbox@v0.21.0...v0.22.0)
(2025-12-04)

### Features

* Add allowed-origins flag
([googleapis#1984](googleapis#1984))
([862868f](googleapis@862868f))
* **tools/postgres:** Add list-query-stats and get-column-cardinality
functions
([googleapis#1976](googleapis#1976))
([9f76026](googleapis@9f76026))
* **tools/spanner:** Add spanner list graphs to prebuiltconfigs
([googleapis#2056](googleapis#2056))
([0e7fbf4](googleapis@0e7fbf4))
* **prebuilt/cloud-sql:** Add clone instance tool for cloud sql
([googleapis#1845](googleapis#1845))
([5e43630](googleapis@5e43630))
* **serverless-spark:** Add create_pyspark_batch tool
([1bf0b51](googleapis@1bf0b51))
* **serverless-spark:** Add create_spark_batch tool
([17a9792](googleapis@17a9792))
* Support alternate accessToken header name
([googleapis#1968](googleapis#1968))
([18017d6](googleapis@18017d6))
* Support for annotations
([googleapis#2007](googleapis#2007))
([ac21335](googleapis@ac21335))
* **tool/mssql:** Set default host and port for MSSQL source
([googleapis#1943](googleapis#1943))
([7a9cc63](googleapis@7a9cc63))
* **tools/cloudsqlpg:** Add CloudSQL PostgreSQL pre-check tool
([googleapis#1722](googleapis#1722))
([8752e05](googleapis@8752e05))
* **tools/postgres-list-publication-tables:** Add new
postgres-list-publication-tables tool
([googleapis#1919](googleapis#1919))
([f4b1f0a](googleapis@f4b1f0a))
* **tools/postgres-list-tablespaces:** Add new postgres-list-tablespaces
tool ([googleapis#1934](googleapis#1934))
([5ad7c61](googleapis@5ad7c61))
* **tools/spanner-list-graph:** Tool impl + docs + tests
([googleapis#1923](googleapis#1923))
([a0f44d3](googleapis@a0f44d3))

### Bug Fixes

* Add import for firebirdsql
([googleapis#2045](googleapis#2045))
([fb7aae9](googleapis@fb7aae9))
* Correct FAQ to mention HTTP tools
([googleapis#2036](googleapis#2036))
([7b44237](googleapis@7b44237))
* Format BigQuery numeric output as decimal strings
([googleapis#2084](googleapis#2084))
([155bff8](googleapis@155bff8))
* Set default annotations for tools in code if annotation not provided
in yaml
([googleapis#2049](googleapis#2049))
([565460c](googleapis@565460c))
* **tools/alloydb-postgres-list-tables:** Exclude google_ml schema from
list_tables
([googleapis#2046](googleapis#2046))
([a03984c](googleapis@a03984c))
* **tools/alloydbcreateuser:** Remove duplication of project praram
([googleapis#2028](googleapis#2028))
([730ac6d](googleapis@730ac6d))
* **tools/mongodb:** Remove `required` tag from the `canonical` field
([googleapis#2099](googleapis#2099))
([744214e](googleapis@744214e))

---
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: Wenxin Du <117315983+duwenxin99@users.noreply.github.com> cb4529c
github-actions Bot pushed a commit to ishatilwani1301/genai-toolbox that referenced this pull request Dec 5, 2025
🤖 I have created a release *beep* *boop*
---

##
[0.22.0](googleapis/mcp-toolbox@v0.21.0...v0.22.0)
(2025-12-04)

### Features

* Add allowed-origins flag
([googleapis#1984](googleapis#1984))
([862868f](googleapis@862868f))
* **tools/postgres:** Add list-query-stats and get-column-cardinality
functions
([googleapis#1976](googleapis#1976))
([9f76026](googleapis@9f76026))
* **tools/spanner:** Add spanner list graphs to prebuiltconfigs
([googleapis#2056](googleapis#2056))
([0e7fbf4](googleapis@0e7fbf4))
* **prebuilt/cloud-sql:** Add clone instance tool for cloud sql
([googleapis#1845](googleapis#1845))
([5e43630](googleapis@5e43630))
* **serverless-spark:** Add create_pyspark_batch tool
([1bf0b51](googleapis@1bf0b51))
* **serverless-spark:** Add create_spark_batch tool
([17a9792](googleapis@17a9792))
* Support alternate accessToken header name
([googleapis#1968](googleapis#1968))
([18017d6](googleapis@18017d6))
* Support for annotations
([googleapis#2007](googleapis#2007))
([ac21335](googleapis@ac21335))
* **tool/mssql:** Set default host and port for MSSQL source
([googleapis#1943](googleapis#1943))
([7a9cc63](googleapis@7a9cc63))
* **tools/cloudsqlpg:** Add CloudSQL PostgreSQL pre-check tool
([googleapis#1722](googleapis#1722))
([8752e05](googleapis@8752e05))
* **tools/postgres-list-publication-tables:** Add new
postgres-list-publication-tables tool
([googleapis#1919](googleapis#1919))
([f4b1f0a](googleapis@f4b1f0a))
* **tools/postgres-list-tablespaces:** Add new postgres-list-tablespaces
tool ([googleapis#1934](googleapis#1934))
([5ad7c61](googleapis@5ad7c61))
* **tools/spanner-list-graph:** Tool impl + docs + tests
([googleapis#1923](googleapis#1923))
([a0f44d3](googleapis@a0f44d3))

### Bug Fixes

* Add import for firebirdsql
([googleapis#2045](googleapis#2045))
([fb7aae9](googleapis@fb7aae9))
* Correct FAQ to mention HTTP tools
([googleapis#2036](googleapis#2036))
([7b44237](googleapis@7b44237))
* Format BigQuery numeric output as decimal strings
([googleapis#2084](googleapis#2084))
([155bff8](googleapis@155bff8))
* Set default annotations for tools in code if annotation not provided
in yaml
([googleapis#2049](googleapis#2049))
([565460c](googleapis@565460c))
* **tools/alloydb-postgres-list-tables:** Exclude google_ml schema from
list_tables
([googleapis#2046](googleapis#2046))
([a03984c](googleapis@a03984c))
* **tools/alloydbcreateuser:** Remove duplication of project praram
([googleapis#2028](googleapis#2028))
([730ac6d](googleapis@730ac6d))
* **tools/mongodb:** Remove `required` tag from the `canonical` field
([googleapis#2099](googleapis#2099))
([744214e](googleapis@744214e))

---
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: Wenxin Du <117315983+duwenxin99@users.noreply.github.com> cb4529c
github-actions Bot pushed a commit to CrazyForks/genai-toolbox that referenced this pull request Dec 5, 2025
🤖 I have created a release *beep* *boop*
---

##
[0.22.0](googleapis/mcp-toolbox@v0.21.0...v0.22.0)
(2025-12-04)

### Features

* Add allowed-origins flag
([googleapis#1984](googleapis#1984))
([862868f](googleapis@862868f))
* **tools/postgres:** Add list-query-stats and get-column-cardinality
functions
([googleapis#1976](googleapis#1976))
([9f76026](googleapis@9f76026))
* **tools/spanner:** Add spanner list graphs to prebuiltconfigs
([googleapis#2056](googleapis#2056))
([0e7fbf4](googleapis@0e7fbf4))
* **prebuilt/cloud-sql:** Add clone instance tool for cloud sql
([googleapis#1845](googleapis#1845))
([5e43630](googleapis@5e43630))
* **serverless-spark:** Add create_pyspark_batch tool
([1bf0b51](googleapis@1bf0b51))
* **serverless-spark:** Add create_spark_batch tool
([17a9792](googleapis@17a9792))
* Support alternate accessToken header name
([googleapis#1968](googleapis#1968))
([18017d6](googleapis@18017d6))
* Support for annotations
([googleapis#2007](googleapis#2007))
([ac21335](googleapis@ac21335))
* **tool/mssql:** Set default host and port for MSSQL source
([googleapis#1943](googleapis#1943))
([7a9cc63](googleapis@7a9cc63))
* **tools/cloudsqlpg:** Add CloudSQL PostgreSQL pre-check tool
([googleapis#1722](googleapis#1722))
([8752e05](googleapis@8752e05))
* **tools/postgres-list-publication-tables:** Add new
postgres-list-publication-tables tool
([googleapis#1919](googleapis#1919))
([f4b1f0a](googleapis@f4b1f0a))
* **tools/postgres-list-tablespaces:** Add new postgres-list-tablespaces
tool ([googleapis#1934](googleapis#1934))
([5ad7c61](googleapis@5ad7c61))
* **tools/spanner-list-graph:** Tool impl + docs + tests
([googleapis#1923](googleapis#1923))
([a0f44d3](googleapis@a0f44d3))

### Bug Fixes

* Add import for firebirdsql
([googleapis#2045](googleapis#2045))
([fb7aae9](googleapis@fb7aae9))
* Correct FAQ to mention HTTP tools
([googleapis#2036](googleapis#2036))
([7b44237](googleapis@7b44237))
* Format BigQuery numeric output as decimal strings
([googleapis#2084](googleapis#2084))
([155bff8](googleapis@155bff8))
* Set default annotations for tools in code if annotation not provided
in yaml
([googleapis#2049](googleapis#2049))
([565460c](googleapis@565460c))
* **tools/alloydb-postgres-list-tables:** Exclude google_ml schema from
list_tables
([googleapis#2046](googleapis#2046))
([a03984c](googleapis@a03984c))
* **tools/alloydbcreateuser:** Remove duplication of project praram
([googleapis#2028](googleapis#2028))
([730ac6d](googleapis@730ac6d))
* **tools/mongodb:** Remove `required` tag from the `canonical` field
([googleapis#2099](googleapis#2099))
([744214e](googleapis@744214e))

---
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: Wenxin Du <117315983+duwenxin99@users.noreply.github.com> cb4529c
github-actions Bot pushed a commit to bhardwajRahul/genai-toolbox that referenced this pull request Dec 5, 2025
🤖 I have created a release *beep* *boop*
---

##
[0.22.0](googleapis/mcp-toolbox@v0.21.0...v0.22.0)
(2025-12-04)

### Features

* Add allowed-origins flag
([googleapis#1984](googleapis#1984))
([862868f](googleapis@862868f))
* **tools/postgres:** Add list-query-stats and get-column-cardinality
functions
([googleapis#1976](googleapis#1976))
([9f76026](googleapis@9f76026))
* **tools/spanner:** Add spanner list graphs to prebuiltconfigs
([googleapis#2056](googleapis#2056))
([0e7fbf4](googleapis@0e7fbf4))
* **prebuilt/cloud-sql:** Add clone instance tool for cloud sql
([googleapis#1845](googleapis#1845))
([5e43630](googleapis@5e43630))
* **serverless-spark:** Add create_pyspark_batch tool
([1bf0b51](googleapis@1bf0b51))
* **serverless-spark:** Add create_spark_batch tool
([17a9792](googleapis@17a9792))
* Support alternate accessToken header name
([googleapis#1968](googleapis#1968))
([18017d6](googleapis@18017d6))
* Support for annotations
([googleapis#2007](googleapis#2007))
([ac21335](googleapis@ac21335))
* **tool/mssql:** Set default host and port for MSSQL source
([googleapis#1943](googleapis#1943))
([7a9cc63](googleapis@7a9cc63))
* **tools/cloudsqlpg:** Add CloudSQL PostgreSQL pre-check tool
([googleapis#1722](googleapis#1722))
([8752e05](googleapis@8752e05))
* **tools/postgres-list-publication-tables:** Add new
postgres-list-publication-tables tool
([googleapis#1919](googleapis#1919))
([f4b1f0a](googleapis@f4b1f0a))
* **tools/postgres-list-tablespaces:** Add new postgres-list-tablespaces
tool ([googleapis#1934](googleapis#1934))
([5ad7c61](googleapis@5ad7c61))
* **tools/spanner-list-graph:** Tool impl + docs + tests
([googleapis#1923](googleapis#1923))
([a0f44d3](googleapis@a0f44d3))

### Bug Fixes

* Add import for firebirdsql
([googleapis#2045](googleapis#2045))
([fb7aae9](googleapis@fb7aae9))
* Correct FAQ to mention HTTP tools
([googleapis#2036](googleapis#2036))
([7b44237](googleapis@7b44237))
* Format BigQuery numeric output as decimal strings
([googleapis#2084](googleapis#2084))
([155bff8](googleapis@155bff8))
* Set default annotations for tools in code if annotation not provided
in yaml
([googleapis#2049](googleapis#2049))
([565460c](googleapis@565460c))
* **tools/alloydb-postgres-list-tables:** Exclude google_ml schema from
list_tables
([googleapis#2046](googleapis#2046))
([a03984c](googleapis@a03984c))
* **tools/alloydbcreateuser:** Remove duplication of project praram
([googleapis#2028](googleapis#2028))
([730ac6d](googleapis@730ac6d))
* **tools/mongodb:** Remove `required` tag from the `canonical` field
([googleapis#2099](googleapis#2099))
([744214e](googleapis@744214e))

---
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: Wenxin Du <117315983+duwenxin99@users.noreply.github.com> cb4529c
rahulpinto19 pushed a commit that referenced this pull request Dec 8, 2025
🤖 I have created a release *beep* *boop*
---


##
[0.22.0](v0.21.0...v0.22.0)
(2025-12-04)


### Features

* Add allowed-origins flag
([#1984](#1984))
([862868f](862868f))
* **tools/postgres:** Add list-query-stats and get-column-cardinality
functions
([#1976](#1976))
([9f76026](9f76026))
* **tools/spanner:** Add spanner list graphs to prebuiltconfigs
([#2056](#2056))
([0e7fbf4](0e7fbf4))
* **prebuilt/cloud-sql:** Add clone instance tool for cloud sql
([#1845](#1845))
([5e43630](5e43630))
* **serverless-spark:** Add create_pyspark_batch tool
([1bf0b51](1bf0b51))
* **serverless-spark:** Add create_spark_batch tool
([17a9792](17a9792))
* Support alternate accessToken header name
([#1968](#1968))
([18017d6](18017d6))
* Support for annotations
([#2007](#2007))
([ac21335](ac21335))
* **tool/mssql:** Set default host and port for MSSQL source
([#1943](#1943))
([7a9cc63](7a9cc63))
* **tools/cloudsqlpg:** Add CloudSQL PostgreSQL pre-check tool
([#1722](#1722))
([8752e05](8752e05))
* **tools/postgres-list-publication-tables:** Add new
postgres-list-publication-tables tool
([#1919](#1919))
([f4b1f0a](f4b1f0a))
* **tools/postgres-list-tablespaces:** Add new postgres-list-tablespaces
tool ([#1934](#1934))
([5ad7c61](5ad7c61))
* **tools/spanner-list-graph:** Tool impl + docs + tests
([#1923](#1923))
([a0f44d3](a0f44d3))


### Bug Fixes

* Add import for firebirdsql
([#2045](#2045))
([fb7aae9](fb7aae9))
* Correct FAQ to mention HTTP tools
([#2036](#2036))
([7b44237](7b44237))
* Format BigQuery numeric output as decimal strings
([#2084](#2084))
([155bff8](155bff8))
* Set default annotations for tools in code if annotation not provided
in yaml
([#2049](#2049))
([565460c](565460c))
* **tools/alloydb-postgres-list-tables:** Exclude google_ml schema from
list_tables
([#2046](#2046))
([a03984c](a03984c))
* **tools/alloydbcreateuser:** Remove duplication of project praram
([#2028](#2028))
([730ac6d](730ac6d))
* **tools/mongodb:** Remove `required` tag from the `canonical` field
([#2099](#2099))
([744214e](744214e))

---
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: Wenxin Du <117315983+duwenxin99@users.noreply.github.com>
vinodhinic pushed a commit to vinodhinic/genai-toolbox that referenced this pull request Jan 14, 2026
## Description

The MCP spec supports tool annotations like the below structure in the
2025-06-18 version of the spec.

https://modelcontextprotocol.io/specification/2025-06-18/schema#toolannotations

```
{
  destructiveHint?: boolean;
  idempotentHint?: boolean;
  openWorldHint?: boolean;
  readOnlyHint?: boolean;
}
```

Added a ToolAnnotations structure, an Annotations member to the
McpManifest structure, and a nil initializer for the Annotations member
to all calls to GetMcpManifest.

The ToolAnnotations structure and the member annotations are all defined
as pointers so that they are omited when not set. There are times when
the zero value is meaningful so this was the only way to make sure that
we distinguish between not setting the annotation and setting it with a
zero value.

## 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 googleapis#927

---------

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>
vinodhinic pushed a commit to vinodhinic/genai-toolbox that referenced this pull request Jan 14, 2026
🤖 I have created a release *beep* *boop*
---


##
[0.22.0](googleapis/mcp-toolbox@v0.21.0...v0.22.0)
(2025-12-04)


### Features

* Add allowed-origins flag
([googleapis#1984](googleapis#1984))
([862868f](googleapis@862868f))
* **tools/postgres:** Add list-query-stats and get-column-cardinality
functions
([googleapis#1976](googleapis#1976))
([9f76026](googleapis@9f76026))
* **tools/spanner:** Add spanner list graphs to prebuiltconfigs
([googleapis#2056](googleapis#2056))
([0e7fbf4](googleapis@0e7fbf4))
* **prebuilt/cloud-sql:** Add clone instance tool for cloud sql
([googleapis#1845](googleapis#1845))
([5e43630](googleapis@5e43630))
* **serverless-spark:** Add create_pyspark_batch tool
([1bf0b51](googleapis@1bf0b51))
* **serverless-spark:** Add create_spark_batch tool
([17a9792](googleapis@17a9792))
* Support alternate accessToken header name
([googleapis#1968](googleapis#1968))
([18017d6](googleapis@18017d6))
* Support for annotations
([googleapis#2007](googleapis#2007))
([ac21335](googleapis@ac21335))
* **tool/mssql:** Set default host and port for MSSQL source
([googleapis#1943](googleapis#1943))
([7a9cc63](googleapis@7a9cc63))
* **tools/cloudsqlpg:** Add CloudSQL PostgreSQL pre-check tool
([googleapis#1722](googleapis#1722))
([8752e05](googleapis@8752e05))
* **tools/postgres-list-publication-tables:** Add new
postgres-list-publication-tables tool
([googleapis#1919](googleapis#1919))
([f4b1f0a](googleapis@f4b1f0a))
* **tools/postgres-list-tablespaces:** Add new postgres-list-tablespaces
tool ([googleapis#1934](googleapis#1934))
([5ad7c61](googleapis@5ad7c61))
* **tools/spanner-list-graph:** Tool impl + docs + tests
([googleapis#1923](googleapis#1923))
([a0f44d3](googleapis@a0f44d3))


### Bug Fixes

* Add import for firebirdsql
([googleapis#2045](googleapis#2045))
([fb7aae9](googleapis@fb7aae9))
* Correct FAQ to mention HTTP tools
([googleapis#2036](googleapis#2036))
([7b44237](googleapis@7b44237))
* Format BigQuery numeric output as decimal strings
([googleapis#2084](googleapis#2084))
([155bff8](googleapis@155bff8))
* Set default annotations for tools in code if annotation not provided
in yaml
([googleapis#2049](googleapis#2049))
([565460c](googleapis@565460c))
* **tools/alloydb-postgres-list-tables:** Exclude google_ml schema from
list_tables
([googleapis#2046](googleapis#2046))
([a03984c](googleapis@a03984c))
* **tools/alloydbcreateuser:** Remove duplication of project praram
([googleapis#2028](googleapis#2028))
([730ac6d](googleapis@730ac6d))
* **tools/mongodb:** Remove `required` tag from the `canonical` field
([googleapis#2099](googleapis#2099))
([744214e](googleapis@744214e))

---
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: Wenxin Du <117315983+duwenxin99@users.noreply.github.com>
NightStack15 added a commit to NightStack15/googleapis-_-genai-toolbox that referenced this pull request Mar 20, 2026
🤖 I have created a release *beep* *boop*
---


##
[0.22.0](googleapis/mcp-toolbox@v0.21.0...v0.22.0)
(2025-12-04)


### Features

* Add allowed-origins flag
([#1984](googleapis/mcp-toolbox#1984))
([862868f](googleapis/mcp-toolbox@862868f))
* **tools/postgres:** Add list-query-stats and get-column-cardinality
functions
([#1976](googleapis/mcp-toolbox#1976))
([9f76026](googleapis/mcp-toolbox@9f76026))
* **tools/spanner:** Add spanner list graphs to prebuiltconfigs
([#2056](googleapis/mcp-toolbox#2056))
([0e7fbf4](googleapis/mcp-toolbox@0e7fbf4))
* **prebuilt/cloud-sql:** Add clone instance tool for cloud sql
([#1845](googleapis/mcp-toolbox#1845))
([5e43630](googleapis/mcp-toolbox@5e43630))
* **serverless-spark:** Add create_pyspark_batch tool
([1bf0b51](googleapis/mcp-toolbox@1bf0b51))
* **serverless-spark:** Add create_spark_batch tool
([17a9792](googleapis/mcp-toolbox@17a9792))
* Support alternate accessToken header name
([#1968](googleapis/mcp-toolbox#1968))
([18017d6](googleapis/mcp-toolbox@18017d6))
* Support for annotations
([#2007](googleapis/mcp-toolbox#2007))
([ac21335](googleapis/mcp-toolbox@ac21335))
* **tool/mssql:** Set default host and port for MSSQL source
([#1943](googleapis/mcp-toolbox#1943))
([7a9cc63](googleapis/mcp-toolbox@7a9cc63))
* **tools/cloudsqlpg:** Add CloudSQL PostgreSQL pre-check tool
([#1722](googleapis/mcp-toolbox#1722))
([8752e05](googleapis/mcp-toolbox@8752e05))
* **tools/postgres-list-publication-tables:** Add new
postgres-list-publication-tables tool
([#1919](googleapis/mcp-toolbox#1919))
([f4b1f0a](googleapis/mcp-toolbox@f4b1f0a))
* **tools/postgres-list-tablespaces:** Add new postgres-list-tablespaces
tool ([#1934](googleapis/mcp-toolbox#1934))
([5ad7c61](googleapis/mcp-toolbox@5ad7c61))
* **tools/spanner-list-graph:** Tool impl + docs + tests
([#1923](googleapis/mcp-toolbox#1923))
([a0f44d3](googleapis/mcp-toolbox@a0f44d3))


### Bug Fixes

* Add import for firebirdsql
([#2045](googleapis/mcp-toolbox#2045))
([fb7aae9](googleapis/mcp-toolbox@fb7aae9))
* Correct FAQ to mention HTTP tools
([#2036](googleapis/mcp-toolbox#2036))
([7b44237](googleapis/mcp-toolbox@7b44237))
* Format BigQuery numeric output as decimal strings
([#2084](googleapis/mcp-toolbox#2084))
([155bff8](googleapis/mcp-toolbox@155bff8))
* Set default annotations for tools in code if annotation not provided
in yaml
([#2049](googleapis/mcp-toolbox#2049))
([565460c](googleapis/mcp-toolbox@565460c))
* **tools/alloydb-postgres-list-tables:** Exclude google_ml schema from
list_tables
([#2046](googleapis/mcp-toolbox#2046))
([a03984c](googleapis/mcp-toolbox@a03984c))
* **tools/alloydbcreateuser:** Remove duplication of project praram
([#2028](googleapis/mcp-toolbox#2028))
([730ac6d](googleapis/mcp-toolbox@730ac6d))
* **tools/mongodb:** Remove `required` tag from the `canonical` field
([#2099](googleapis/mcp-toolbox#2099))
([744214e](googleapis/mcp-toolbox@744214e))

---
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: Wenxin Du <117315983+duwenxin99@users.noreply.github.com>
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Add optional annotations for tagging tools as readOnly and destructive.

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