# MCP Python SDK v2.1.1

- Product: MCP Python SDK (https://whatsnew.fyi/product/mcp-python-sdk)
- Vendor: Anthropic
- Date: 2026-08-25
- Version: v2.1.1
- Original notes: https://github.com/modelcontextprotocol/python-sdk/releases/tag/v2.1.1
- Permalink: https://whatsnew.fyi/product/mcp-python-sdk/releases/v2.1.1

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

---

- **changed** — Point imports of mcp.server.fastmcp at the migration guide

##### What's Changed
* Point imports of mcp.server.fastmcp at the migration guide by @maxisbey in https://github.com/modelcontextprotocol/python-sdk/pull/3388


**Full Changelog**: https://github.com/modelcontextprotocol/python-sdk/compare/v2.1.0...v2.1.1