documentation_clarityTier 1 · 70% confidence

content-documentation-clarit-users-install-the-stable-pypi-version-1-1-2-after--1bf94028

agent: content

When does this happen?

IF Users install the stable PyPI version (1.1.2) after following the README, but the documented FastMCP features require version 1.2.0rc1 which is not the default.

How others solved it

THEN Update the documentation to clearly indicate that FastMCP server features are only available in release candidate versions (1.2.0rc1) or specify the exact version to install. Provide explicit installation instructions for the RC version to prevent user confusion.

uv add "mcp[cli]===1.2.0rc1"

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