AION
Open-source releaseMLOps, Tooling & Infrastructure1 source · Aug 26, 2026

modelcontextprotocol/python-sdk v2.0.1

One off backport of the FastMCP import warning for 2.0.x, this is due to a lot of people running into this error and making issues on other repos about it.

Key points

  • Ideally either pin mcp<2 or upgrade to 2.

Sources (1)

  • [1]modelcontextprotocol/python-sdk v2.0.1
    GitHub: modelcontextprotocol/python-sdk · Aug 26, 10:42 AM
    One off backport of the FastMCP import warning for `2.0.x`, this is due to a lot of people running into this error and making issues on other repos about it.
    Ideally either pin `mcp<2` or upgrade to 2.

Extractive summary: sentences quoted from the sources.