diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index b1eab2f9..3627424f 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1 +1 @@
-{"packages/toolbox-langchain":"0.1.0","packages/toolbox-core":"0.1.0","packages/toolbox-llamaindex":"0.1.1"}
+{"packages/toolbox-langchain":"0.2.0","packages/toolbox-core":"0.2.0","packages/toolbox-llamaindex":"0.2.0"}
diff --git a/packages/toolbox-core/CHANGELOG.md b/packages/toolbox-core/CHANGELOG.md
index 2c373c2a..69ac93de 100644
--- a/packages/toolbox-core/CHANGELOG.md
+++ b/packages/toolbox-core/CHANGELOG.md
@@ -1,5 +1,82 @@
 # Changelog
 
+## [0.2.0](https://github.com/googleapis/mcp-toolbox-sdk-python/compare/toolbox-core-v0.1.0...toolbox-core-v0.2.0) (2025-05-20)
+
+
+### ⚠ BREAKING CHANGES
+
+* **toolbox-core:** Throw PermissionError on unauthenticated tool invocation ([#233](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/233))
+* **toolbox-core:** Simplify add_headers to make it sync in async client ([#231](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/231))
+* **toolbox-core:** Standardize on ValueError for improved error consistency ([#219](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/219))
+* **toolbox-core:** Rename bind_parameters to bind_params ([#209](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/209))
+
+### Features
+
+* Add bind_param (singular) to align with other packages ([#210](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/210)) ([a2810c1](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/a2810c198a52a43a52d2e95f1cd09ab8409d912f))
+* Add client headers to Toolbox ([#178](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/178)) ([e73f6b6](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/e73f6b607219d1d51304dde21f7d9c0bf24fc915))
+* Add convenience methods for adding single auth token getter to tools ([#245](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/245)) ([44b0697](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/44b0697efd693db364c0b8cf8b9dfa929e428ef6))
+* Allow loading default toolset (all tools) ([#153](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/153)) ([0f3b4eb](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/0f3b4ebb55d5d4fafecf7ceb648460784b76c257))
+* **core:** Add client_headers to ToolboxSyncClient ([#187](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/187)) ([50e32da](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/50e32da6bed00c7bcba194406dcc4e0387f452f2))
+* Enhance authorization token validation with authRequired ([#222](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/222)) ([2dad7c8](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/2dad7c8422e420f2f10a68f0ebbeaca4aa26a5e1))
+* Implement strict validation for client while loading tools ([#205](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/205)) ([c7eebbb](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/c7eebbb42ff24c77936cdac6b6d2b685ef282a64))
+* Introduce identifying used authz token getters ([#221](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/221)) ([5d49936](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/5d4993622dd3a05b26710c7325c827cb7575913b))
+* Introduce Tracking of Used Auth and Bound Keys in parse_tool for Client Strictness ([#184](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/184)) ([edd1f3a](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/edd1f3ad9d63ef2db2adf93f1373a8b51d5c6b20))
+* Make name optional while loading toolset through sync client ([#235](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/235)) ([9527824](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/9527824b92232a0b7644015f64c7438086d0596a))
+* **toolbox_core:** add helper methods for retrieving ID tokens ([#239](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/239)) ([b3213cc](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/b3213cc9eaeb7052cefdee7e7ee81efab080b2c6))
+* **toolbox-core:** Rename bind_parameters to bind_params ([#209](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/209)) ([a36ae42](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/a36ae42532fbcb8ad114c14dc9017b5b0b81e589))
+* **toolbox-langchain:** Base toolbox-langchain over toolbox-core ([#229](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/229)) ([03d1b16](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/03d1b160db602f7aeb1c25bc77014ff440ea7504))
+* Track utilized auth services ([#203](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/203)) ([527369c](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/527369c3b1b2b475a26619081207b92ed4c1b6ba))
+* Warn on insecure tool invocation with authentication ([#223](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/223)) ([d331e3c](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/d331e3c7b424cb3b16122321a7e82a4e6712a6a2))
+
+
+### Bug Fixes
+
+* Add validation to ensure added auth token getters are used by the tool ([#220](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/220)) ([7cde398](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/7cde39878b94d29940be2b69bd12b6c9d927ad81))
+* **deps:** update python-nonmajor ([#175](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/175)) ([73e5a4a](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/73e5a4ac63ee39486529952351c06179ee268c7c))
+* **deps:** update python-nonmajor ([#180](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/180)) ([8d909a9](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/8d909a9e19abed4a02e30a4dfc48e06afdbb01ea))
+* Ensure `__parse_tool` returns correct `used_auth_keys` ([#204](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/204)) ([d0b5020](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/d0b5020dceca76feffa66f64d91237d284b9bcfb))
+* Fix issue causing masking of empty loop or thread check while loading tool/toolset ([#227](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/227)) ([a4f0f25](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/a4f0f25ce6dd6ee09f08e0340bc92f5a21527f9d))
+* **toolbox-core:** Add strict flag support to sync client ([#230](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/230)) ([4e19a3c](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/4e19a3cea7a13821b1c13404944a6b892308cfd0))
+* **toolbox-core:** Prevent rebinding of parameters in ToolboxTool ([#186](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/186)) ([906d0e0](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/906d0e080e553e963c2ebfb15c94bf3efdd4886c))
+* **toolbox-core:** Simplify add_headers to make it sync in async client ([#231](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/231)) ([394fa4d](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/394fa4d20436b2ca1fc8b9fa84654aa0be4cd6f4))
+* **toolbox-core:** Standardize on ValueError for improved error consistency ([#219](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/219)) ([cdfaaf8](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/cdfaaf871e8225510aa4a8892fc186bd528e8472))
+* **toolbox-core:** Throw PermissionError on unauthenticated tool invocation ([#233](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/233)) ([7dbf087](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/7dbf08743d2d2d4df35cab690379ba5e72d82f32))
+
+
+### Miscellaneous Chores
+
+* Add unit tests for the tool, client and protocol files ([#170](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/170)) ([14bc4ee](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/14bc4eec7c85329c6a41d1cd21e7eccbe68b0a7c))
+* Add unit tests for ToolboxSyncClient ([#225](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/225)) ([3516be5](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/3516be521250f7ed097da1a280bf970f9e48e756))
+* Add unit tests for ToolboxSyncTool ([#224](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/224)) ([787ba5d](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/787ba5d869cc59ca4e3eaec5944a0d2be319473d))
+* correct import in readme ([#154](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/154)) ([2825581](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/2825581c105189bea2ccb31beaf50001512f9a49))
+* Delint + minor simplification of import statement ([#185](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/185)) ([6693407](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/6693407421e94bc7a02be62e257ce33d9f75a34f))
+* **deps:** update dependency pydantic to v2.11.3 ([#163](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/163)) ([6a78495](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/6a78495ecfe8b51992f55518ab0e7dca1bd6f849))
+* **deps:** update dependency pydantic to v2.11.4 ([#200](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/200)) ([758f620](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/758f620e25427396b52d257722d7f71312421ad1))
+* fix supported python versions ([#191](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/191)) ([f308b5f](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/f308b5f7d7019635798000d0921cf3f549075fd8))
+* Make type hints of tool and client classes more accurate and specific ([#249](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/249)) ([996545e](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/996545e1f66a547a416b2eefcfd7cbcf73abd320))
+* rebrand as MCP Toolbox ([#156](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/156)) ([d090a3f](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/d090a3f2af35a2e3e1e5d59b3176b026af510b7b))
+* remove unused fixtures ([#212](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/212)) ([34a573c](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/34a573ceebba7737eed42bf5d91dbf45f2f8784f))
+* remove unused fixtures ([#216](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/216)) ([0ff650a](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/0ff650a1d96ea3355b2cd707573c093d985557c6))
+* Remove unused variable ([#171](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/171)) ([bddc8b5](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/bddc8b52886732eb3cdec936cb8c58f27ac829e6))
+* rename repo ([#165](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/165)) ([70a476a](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/70a476a4fed46a905fe77101c3c1077fd6d5bd21))
+* Simplify sync_client fixture ([#240](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/240)) ([75b79c9](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/75b79c9f625fe1944664304cab48b5cc22bf9693))
+* **toolbox-core:** Add property decorators to tool ([#218](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/218)) ([b85820b](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/b85820b60bf9f7b237cf517ff83f954321a34258))
+* **toolbox-core:** Consolidate auth header creation logic ([#213](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/213)) ([a10964f](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/a10964f41dc71934b88d0300e47fc4340da6ad3b))
+* **toolbox-core:** Correctly name test file ([#214](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/214)) ([5d4a02e](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/5d4a02e61c2f3b04918b8fa52d8ae0aebc8ceb56))
+* **toolbox-core:** Move util functions to a separate file in toolbox core ([#174](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/174)) ([ca88369](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/ca88369f5dd388299d32b9662443152c74397b3b))
+* **toolbox-core:** Remove unused typevar variables ([#232](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/232)) ([aa69aab](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/aa69aab702ecdf5006081d4ca224b6b1a34c793f))
+* update toolbox version ([#188](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/188)) ([58d8f7d](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/58d8f7d4601495faf2a33a48cc26bb0a599622ed))
+* update toolbox version ([#190](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/190)) ([87e21ed](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/87e21ed07035ec96fb7b6c730585061d17d727c7))
+* update toolbox version ([#226](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/226)) ([2a92def](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/2a92def08825417b32faa523a3355eba34351955))
+
+
+### Documentation
+
+* fix grammar ([#179](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/179)) ([afebaa6](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/afebaa6bfcb2e855823c64a56f4f249da2a721d7))
+* Fix variable name in helper docstring ([#183](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/183)) ([eb5856b](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/eb5856b047fbaeee1375c2e7a6135f2fcf2526c3))
+* Update docstring for strict flag to make it unambiguous ([#247](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/247)) ([59f0634](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/59f063446b98965c1fa8818d8ab93d5cd5d0b2ec))
+* Update docstring to be more accurate ([#199](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/199)) ([d055723](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/d0557237bd6f936d52d79c66606e3d7fd2ef0afd))
+
 ## 0.1.0 (2025-04-04)
 
 
diff --git a/packages/toolbox-core/src/toolbox_core/version.py b/packages/toolbox-core/src/toolbox_core/version.py
index 702896da..8f554a20 100644
--- a/packages/toolbox-core/src/toolbox_core/version.py
+++ b/packages/toolbox-core/src/toolbox_core/version.py
@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = "0.1.0"
+__version__ = "0.2.0"
diff --git a/packages/toolbox-langchain/CHANGELOG.md b/packages/toolbox-langchain/CHANGELOG.md
index e4ce5457..6a931b8a 100644
--- a/packages/toolbox-langchain/CHANGELOG.md
+++ b/packages/toolbox-langchain/CHANGELOG.md
@@ -1,5 +1,55 @@
 # Changelog
 
+## [0.2.0](https://github.com/googleapis/mcp-toolbox-sdk-python/compare/toolbox-langchain-v0.1.0...toolbox-langchain-v0.2.0) (2025-05-20)
+
+
+### ⚠ BREAKING CHANGES
+
+* **toolbox-langchain:** Base toolbox-langchain over toolbox-core ([#229](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/229))
+
+### Features
+
+* **toolbox-langchain:** Base toolbox-langchain over toolbox-core ([#229](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/229)) ([03d1b16](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/03d1b160db602f7aeb1c25bc77014ff440ea7504))
+
+
+### Bug Fixes
+
+* **deps:** update python-nonmajor ([#148](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/148)) ([bc894e1](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/bc894e1d14823e88a3c0f24ab05b8839a3d653e0))
+* **deps:** update python-nonmajor ([#175](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/175)) ([73e5a4a](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/73e5a4ac63ee39486529952351c06179ee268c7c))
+* **deps:** update python-nonmajor ([#180](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/180)) ([8d909a9](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/8d909a9e19abed4a02e30a4dfc48e06afdbb01ea))
+* **deps:** update python-nonmajor ([#98](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/98)) ([f03e7ec](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/f03e7ec986eddfb1e0adc81b8be8e9140dcbd530))
+
+
+### Miscellaneous Chores
+
+* Auto-update core package dependency version ([#251](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/251)) ([1c49d2c](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/1c49d2c6e717adc8ec5f08c0d0464e343f9ce4f2))
+* change port number to default toolbox port ([#135](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/135)) ([6164b09](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/6164b09d60412a0e3faf95c1b2e8df13b5ab7782))
+* Define precedence for deprecated 'auth_tokens' vs. 'auth_headers' ([#237](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/237)) ([e9c428b](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/e9c428bfe48cedf67ef984ed2d1769e3b8042cc6))
+* **deps:** update dependency pydantic to v2.11.3 ([#163](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/163)) ([6a78495](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/6a78495ecfe8b51992f55518ab0e7dca1bd6f849))
+* **deps:** update dependency pydantic to v2.11.4 ([#200](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/200)) ([758f620](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/758f620e25427396b52d257722d7f71312421ad1))
+* **deps:** update python-nonmajor ([#207](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/207)) ([83ba029](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/83ba029280089d1c0d4974e5910830048586fa49))
+* **deps:** update python-nonmajor ([#250](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/250)) ([8fb9762](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/8fb976258dda5549218f9f4e75257983866790f0))
+* fix supported python versions ([#191](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/191)) ([f308b5f](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/f308b5f7d7019635798000d0921cf3f549075fd8))
+* fix urls in pyproject.toml ([#101](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/101)) ([6e5875e](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/6e5875eb5c3dbce9c9efb00418716577f90e4d05))
+* **main:** release toolbox-langchain 0.1.1 ([#54](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/54)) ([3e4edf1](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/3e4edf12841ed880073ac0e4e905a51c4cc7c9a9))
+* move to correct readme ([#198](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/198)) ([99d0ad0](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/99d0ad043071b89a937ee90bffb3f24ecc03a2e7))
+* move toolbox-llamaindex package ([#192](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/192)) ([293854f](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/293854ff514c015968d205ab731dcd040a143df6))
+* Pin toolbox-core version ([#248](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/248)) ([ec423ea](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/ec423eaec2adae5272997a0727238ec1ea494ca2))
+* rebrand as MCP Toolbox ([#156](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/156)) ([d090a3f](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/d090a3f2af35a2e3e1e5d59b3176b026af510b7b))
+* refactor layout for multiple packages ([#99](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/99)) ([ac43090](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/ac43090822fbf19a8920732e2ec3aa8b9c3130c1))
+* release 0.1.0 ([#24](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/24)) ([6fff8e2](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/6fff8e2ea18bd6df9f30d7790b6076cf0b32cc75))
+* rename repo ([#165](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/165)) ([70a476a](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/70a476a4fed46a905fe77101c3c1077fd6d5bd21))
+* Restore add_auth_token(s) as deprecated for backward compatibility ([#236](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/236)) ([fcdfdae](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/fcdfdae29dc11e623897b6e412ecd97b9e078758))
+* Update auth_token(s) as auth_token_getter(s) and add_auth_token(s) as add_auth_token_getter(s) ([#182](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/182)) ([48fd28c](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/48fd28c63421429e7bf287194769dab26ede2d10))
+* update toolbox version ([#188](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/188)) ([58d8f7d](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/58d8f7d4601495faf2a33a48cc26bb0a599622ed))
+* update toolbox version ([#190](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/190)) ([87e21ed](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/87e21ed07035ec96fb7b6c730585061d17d727c7))
+* update toolbox version ([#226](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/226)) ([2a92def](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/2a92def08825417b32faa523a3355eba34351955))
+
+
+### Documentation
+
+* Update docstring for strict flag to make it unambiguous ([#247](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/247)) ([59f0634](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/59f063446b98965c1fa8818d8ab93d5cd5d0b2ec))
+
 ## 0.1.0 (2025-02-05)
 
 
@@ -24,4 +74,3 @@
 ### Bug Fixes
 
 * Deprecate 'add_auth_headers' in favor of 'add_auth_tokens' ([c5c699c](https://github.com/googleapis/genai-toolbox-langchain-python/commit/c5c699cc29bcc0708a31bff90e8cec489982fe2a))
-
diff --git a/packages/toolbox-langchain/pyproject.toml b/packages/toolbox-langchain/pyproject.toml
index b89c50d1..07f20859 100644
--- a/packages/toolbox-langchain/pyproject.toml
+++ b/packages/toolbox-langchain/pyproject.toml
@@ -9,7 +9,7 @@ authors = [
     {name = "Google LLC", email = "googleapis-packages@google.com"}
 ]
 dependencies = [
-    "toolbox-core==0.1.0",              # x-release-please-version
+    "toolbox-core==0.2.0",              # x-release-please-version
     "langchain-core>=0.2.23,<1.0.0",
     "PyYAML>=6.0.1,<7.0.0",
     "pydantic>=2.7.0,<3.0.0",
diff --git a/packages/toolbox-langchain/src/toolbox_langchain/version.py b/packages/toolbox-langchain/src/toolbox_langchain/version.py
index 702896da..8f554a20 100644
--- a/packages/toolbox-langchain/src/toolbox_langchain/version.py
+++ b/packages/toolbox-langchain/src/toolbox_langchain/version.py
@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = "0.1.0"
+__version__ = "0.2.0"
diff --git a/packages/toolbox-llamaindex/CHANGELOG.md b/packages/toolbox-llamaindex/CHANGELOG.md
index 82fd4db5..8f35ce2a 100644
--- a/packages/toolbox-llamaindex/CHANGELOG.md
+++ b/packages/toolbox-llamaindex/CHANGELOG.md
@@ -1,5 +1,34 @@
 # Changelog
 
+## [0.2.0](https://github.com/googleapis/mcp-toolbox-sdk-python/compare/toolbox-llamaindex-v0.1.1...toolbox-llamaindex-v0.2.0) (2025-05-20)
+
+
+### ⚠ BREAKING CHANGES
+
+* **toolbox-llamaindex:** Base toolbox-llamaindex over toolbox-core ([#244](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/244))
+
+### Features
+
+* **toolbox-llamaindex:** Base toolbox-llamaindex over toolbox-core ([#244](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/244)) ([64aa5a8](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/64aa5a89d299ff1e0be4899d90b22df8cbcecb23))
+
+
+### Bug Fixes
+
+* **deps:** update python-nonmajor ([#180](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/180)) ([8d909a9](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/8d909a9e19abed4a02e30a4dfc48e06afdbb01ea))
+
+
+### Miscellaneous Chores
+
+* Auto-update core package dependency version ([#251](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/251)) ([1c49d2c](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/1c49d2c6e717adc8ec5f08c0d0464e343f9ce4f2))
+* **deps:** update dependency pydantic to v2.11.4 ([#200](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/200)) ([758f620](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/758f620e25427396b52d257722d7f71312421ad1))
+* **deps:** update python-nonmajor ([#207](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/207)) ([83ba029](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/83ba029280089d1c0d4974e5910830048586fa49))
+* **deps:** update python-nonmajor ([#250](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/250)) ([8fb9762](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/8fb976258dda5549218f9f4e75257983866790f0))
+* move to correct readme ([#198](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/198)) ([99d0ad0](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/99d0ad043071b89a937ee90bffb3f24ecc03a2e7))
+* move toolbox-llamaindex package ([#192](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/192)) ([293854f](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/293854ff514c015968d205ab731dcd040a143df6))
+* release 0.1.0 ([#24](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/24)) ([6fff8e2](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/6fff8e2ea18bd6df9f30d7790b6076cf0b32cc75))
+* update toolbox version ([#194](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/194)) ([1ea3179](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/1ea31794bb90eed27a121fdc902ea4a09feb2ca6))
+* update toolbox version ([#226](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/226)) ([2a92def](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/2a92def08825417b32faa523a3355eba34351955))
+
 ## [0.1.1](https://github.com/googleapis/genai-toolbox-llamaindex-python/compare/v0.1.0...v0.1.1) (2025-04-04)
 
 
@@ -29,4 +58,4 @@
 ### Documentation
 
 * Update README for new features ([#22](https://github.com/googleapis/genai-toolbox-llamaindex-python/issues/22)) ([f5060b9](https://github.com/googleapis/genai-toolbox-llamaindex-python/commit/f5060b9057329809073553c88ebd2e677db7b902))
-* Update the README to recommend AgentWorkflow for using LlamaIndex. ([#34](https://github.com/googleapis/genai-toolbox-llamaindex-python/issues/34)) ([fe8e74f](https://github.com/googleapis/genai-toolbox-llamaindex-python/commit/fe8e74fb2c76af6598e6054914b03731c85a2741))
\ No newline at end of file
+* Update the README to recommend AgentWorkflow for using LlamaIndex. ([#34](https://github.com/googleapis/genai-toolbox-llamaindex-python/issues/34)) ([fe8e74f](https://github.com/googleapis/genai-toolbox-llamaindex-python/commit/fe8e74fb2c76af6598e6054914b03731c85a2741))
diff --git a/packages/toolbox-llamaindex/pyproject.toml b/packages/toolbox-llamaindex/pyproject.toml
index 4d5ac928..32292444 100644
--- a/packages/toolbox-llamaindex/pyproject.toml
+++ b/packages/toolbox-llamaindex/pyproject.toml
@@ -9,7 +9,7 @@ authors = [
     {name = "Google LLC", email = "googleapis-packages@google.com"}
 ]
 dependencies = [
-    "toolbox-core==0.1.0",              # x-release-please-version
+    "toolbox-core==0.2.0",              # x-release-please-version
     "llama-index>=0.12.0,<1.0.0",
     "PyYAML>=6.0.1,<7.0.0",
     "pydantic>=2.8.0,<3.0.0",
diff --git a/packages/toolbox-llamaindex/src/toolbox_llamaindex/version.py b/packages/toolbox-llamaindex/src/toolbox_llamaindex/version.py
index 5ff95198..8f554a20 100644
--- a/packages/toolbox-llamaindex/src/toolbox_llamaindex/version.py
+++ b/packages/toolbox-llamaindex/src/toolbox_llamaindex/version.py
@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = "0.1.1"
+__version__ = "0.2.0"