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Title: feat: implement OPTIONS request support for Preflight checks in StreamableHTTP by TheRealSeber · Pull Request #1245 · modelcontextprotocol/python-sdk · GitHub

Open Graph Title: feat: implement OPTIONS request support for Preflight checks in StreamableHTTP by TheRealSeber · Pull Request #1245 · modelcontextprotocol/python-sdk

X Title: feat: implement OPTIONS request support for Preflight checks in StreamableHTTP by TheRealSeber · Pull Request #1245 · modelcontextprotocol/python-sdk

Description: Motivation and Context Fixes: (#1079) How Has This Been Tested? Locally Breaking Changes No Types of changes Bug fix (non-breaking change which fixes an issue) New feature (non-breaking change which adds functionality) Breaking change (fix or feature that would cause existing functionality to change) Documentation update Checklist I have read the MCP Documentation My code follows the repository's style guidelines New and existing tests pass locally I have added appropriate error handling I have added or updated documentation as needed Additional context None

Open Graph Description: Motivation and Context Fixes: (#1079) How Has This Been Tested? Locally Breaking Changes No Types of changes Bug fix (non-breaking change which fixes an issue) New feature (non-breaking change ...

X Description: Motivation and Context Fixes: (#1079) How Has This Been Tested? Locally Breaking Changes No Types of changes Bug fix (non-breaking change which fixes an issue) New feature (non-breaking change ...

Opengraph URL: https://github.com/modelcontextprotocol/python-sdk/pull/1245

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feat: implement OPTIONS request support for Preflight checks in StreamableHTTP https://github.com/modelcontextprotocol/python-sdk/pull/1245/files#top
Show all changes 3 commits https://github.com/modelcontextprotocol/python-sdk/pull/1245/files
ceda490 fix: allow preflight options request for streamable http TheRealSeber Aug 7, 2025 https://github.com/modelcontextprotocol/python-sdk/pull/1245/commits/ceda49025eb2f248a09277d6d2f00a84223d0447
2d5212b chore: run lint TheRealSeber Aug 7, 2025 https://github.com/modelcontextprotocol/python-sdk/pull/1245/commits/2d5212b7e559afcbb1a9a2c01757fcb0dca55293
26ed405 fix: typo TheRealSeber Aug 7, 2025 https://github.com/modelcontextprotocol/python-sdk/pull/1245/commits/26ed405d43e7db8d26c93bf797c0ae208ca55845
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