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Title: [v1.x] Add a v2 status banner to the README by maxisbey · Pull Request #2835 · modelcontextprotocol/python-sdk · GitHub

Open Graph Title: [v1.x] Add a v2 status banner to the README by maxisbey · Pull Request #2835 · modelcontextprotocol/python-sdk

X Title: [v1.x] Add a v2 status banner to the README by maxisbey · Pull Request #2835 · modelcontextprotocol/python-sdk

Description: Adds a short banner to the v1.x README announcing the v2 alpha. Motivation and Context v2 pre-releases are about to be published to PyPI as 2.0.0aN. This branch's README is both the repository documentation for the stable line and the PyPI project description for every stable release, so it is the highest-traffic place to tell users three things: v2 is coming and is currently in alpha, installers will not give anyone a pre-release without an explicit opt-in, and packages that depend on mcp should add a <2 upper bound before the stable v2 release lands. It also states v1.x's maintenance-mode status. The banner uses plain blockquote markup and absolute URLs so it renders correctly on PyPI (no GitHub-only alert syntax, no relative links). A companion PR on main (#2834) updates that branch's README banner to match. How Has This Been Tested? markdownlint and pre-commit pass; docs-only change. Breaking Changes None. 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 AI Disclaimer

Open Graph Description: Adds a short banner to the v1.x README announcing the v2 alpha. Motivation and Context v2 pre-releases are about to be published to PyPI as 2.0.0aN. This branch's README is both the repository ...

X Description: Adds a short banner to the v1.x README announcing the v2 alpha. Motivation and Context v2 pre-releases are about to be published to PyPI as 2.0.0aN. This branch&#39;s README is both the reposit...

Opengraph URL: https://github.com/modelcontextprotocol/python-sdk/pull/2835

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9bb1f76 Add a v2 status banner to the README maxisbey Jun 11, 2026 https://github.com/modelcontextprotocol/python-sdk/pull/2835/commits/9bb1f76d238df5d1b8bb547c6bcd9833885a204d
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