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Remove sse_app method (deprecated 2.3.2) #2189

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Remove sse_app method (deprecated 2.3.2)#2189
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breaking changeBreaks backward compatibility. Requires minor version bump. Critical for maintainer attention.enhancementImprovement to existing functionality. For issues and smaller PR improvements.serverRelated to FastMCP server implementation or server-side functionality.
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2.14
@jlowin

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@jlowin
jlowin
opened on Oct 21, 2025

Remove the deprecated sse_app() method from FastMCP.

Deprecated in: 2.3.2
Migration: Use http_app() or call fastmcp.server.http.create_sse_app() directly

Files affected:

  • src/fastmcp/server/server.py

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    breaking changeBreaks backward compatibility. Requires minor version bump. Critical for maintainer attention.enhancementImprovement to existing functionality. For issues and smaller PR improvements.serverRelated to FastMCP server implementation or server-side functionality.

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