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python-v2.19.0

anthropics/anthropic-tokenizer-typescriptpython-v2.19.0Jan 6, 2026by github-actions[bot]

AI Summary

This release focuses on comprehensive API specification updates via Fern, enhanced Slack integration features, and new post-processing capabilities for various third-party integrations. It also includes dependency updates for LangChain.

Key Highlights

  • API specifications updated via Fern
  • Enhanced Slack integration with filtering and response formats
  • Post-processing capabilities added for Calendar, Google Docs, and Outlook
  • Dependency updates for LangChain

New Features

  • Filtering and response format options for Slack list_channels and list_users
  • Lightweight response format for Slack message tools
  • Post-processing for Calendar, Google Doc, Sheets, Outlook Mail, ClickUp, HubSpot, Airtable, OneDrive, Asana, Mem0, Linear, Close, and Confluence
  • Instance UPDATE endpoint
  • Fix phone number assignment in Attio MCP server

Full Release Notes

## What's Changed
* Add Sharesight doc by @LLiuZheng in https://github.com/Klavis-AI/klavis/pull/839
* Update API specifications with fern api update by @zihaolin96 in https://github.com/Klavis-AI/klavis/pull/840
* Add category for fetch url mcp by @LLiuZheng in https://github.com/Klavis-AI/klavis/pull/841
* update mem0 by @zihaolin96 in https://github.com/Klavis-AI/klavis/pull/842
* feat(slack): add filtering and response format options to list_channels and list_users by @Futty93 in https://github.com/Klavis-AI/klavis/pull/811
* Update API specifications with fern api update by @zihaolin96 in https://github.com/Klavis-AI/klavis/pull/846
* Fix phone number assignment in Attio MCP server by @elviskahoro in https://github.com/Klavis-AI/klavis/pull/847
* youtube. by @xiangkaiz in https://github.com/Klavis-AI/klavis/pull/849
* Update API specifications with fern api update by @zihaolin96 in https://github.com/Klavis-AI/klavis/pull/851
* change youtube transcript api logic back by @zihaolin96 in https://github.com/Klavis-AI/klavis/pull/852
* update doc by @zihaolin96 in https://github.com/Klavis-AI/klavis/pull/853
* docs(overview.mdx): Add Remaining MCP Server to `overview.mdx` by @udaykakade25 in https://github.com/Klavis-AI/klavis/pull/856
* feat(slack): add lightweight response format to message-related tools by @Futty93 in https://github.com/Klavis-AI/klavis/pull/848
* update oauth scope list by @zihaolin96 in https://github.com/Klavis-AI/klavis/pull/859
* gmail tool optimize by @zihaolin96 in https://github.com/Klavis-AI/klavis/pull/860
* update readme by @zihaolin96 in https://github.com/Klavis-AI/klavis/pull/861
* Update API specifications with fern api update by @zihaolin96 in https://github.com/Klavis-AI/klavis/pull/862
* build(deps): bump langchain from 1.0.4 to 1.2.3 in /examples/langchain-klavis/typescript by @dependabot[bot] in https://github.com/Klavis-AI/klavis/pull/858
* build(deps): bump @langchain/core from 1.0.5 to 1.1.8 in /examples/langchain-klavis/typescript by @dependabot[bot] in https://github.com/Klavis-AI/klavis/pull/857
* Update API specifications with fern api update by @zihaolin96 in https://github.com/Klavis-AI/klavis/pull/867
* Update API specifications with fern api update by @zihaolin96 in https://github.com/Klavis-AI/klavis/pull/868
* postprocess calendar. by @xiangkaiz in https://github.com/Klavis-AI/klavis/pull/866
* postprocess google doc. by @xiangkaiz in https://github.com/Klavis-AI/klavis/pull/869
* small changes to sheets. by @xiangkaiz in https://github.com/Klavis-AI/klavis/pull/871
* fix bugs. by @xiangkaiz in https://github.com/Klavis-AI/klavis/pull/873
* Update API specifications with fern api update by @zihaolin96 in https://github.com/Klavis-AI/klavis/pull/874
* Update API specifications with fern api update by @zihaolin96 in https://github.com/Klavis-AI/klavis/pull/875
* Postprocess for outlook mail by @LLiuZheng in https://github.com/Klavis-AI/klavis/pull/876
* postprocess clickup by @zihaolin96 in https://github.com/Klavis-AI/klavis/pull/878
* postprocess hubspot by @zihaolin96 in https://github.com/Klavis-AI/klavis/pull/879
* postprocess airtable by @zihaolin96 in https://github.com/Klavis-AI/klavis/pull/880
* Postprocessing for onedrive by @LLiuZheng in https://github.com/Klavis-AI/klavis/pull/877
* postprocess asana by @zihaolin96 in https://github.com/Klavis-AI/klavis/pull/881
* Postprocessing for mem0 by @LLiuZheng in https://github.com/Klavis-AI/klavis/pull/882
* Post processing for linear by @LLiuZheng in https://github.com/Klavis-AI/klavis/pull/883
* Update API specifications with fern api update by @zihaolin96 in https://github.com/Klavis-AI/klavis/pull/884
* postprocess close by @zihaolin96 in https://github.com/Klavis-AI/klavis/pull/885
* postprocess confluence by @zihaolin96 in https://github.com/Klavis-AI/klavis/pull/886
* fix readme. by @xiangkaiz in https://github.com/Klavis-AI/klavis/pull/887
* fix. by @xiangkaiz in https://github.com/Klavis-AI/klavis/pull/888
* Update API specifications with fern api update by @zihaolin96 in https://github.com/Klavis-AI/klavis/pull/889
* Update API specifications with fern api update by @zihaolin96 in https://github.com/Klavis-AI/klavis/pull/890
* add instance UPDATE endpoint by @zihaolin96 in https://github.com/Klavis-AI/klavis/pull/891
* fern override by @zihaolin96 in https://github.com/Klavis-AI/klavis/pull/892

## New Contributors
* @elviskahoro made their first contribution in https://github.com/Klavis-AI/klavis/pull/847

**Full Changelog**: https://github.com/Klavis-AI/klavis/compare/python-v2.18.0...python-v2.19.0