From cdbe4d9a1d485effce0a13e94e41bd87febe84d9 Mon Sep 17 00:00:00 2001
From: Jeremiah Lowin <153965+jlowin@users.noreply.github.com>
Date: Sat, 1 Nov 2025 12:46:21 -0700
Subject: [PATCH] Remove deprecated streamable_http_app method (#2336)

---
 src/fastmcp/server/server.py        | 21 ---------------------
 tests/deprecated/test_deprecated.py | 11 -----------
 2 files changed, 32 deletions(-)

diff --git a/src/fastmcp/server/server.py b/src/fastmcp/server/server.py
index eda3d62df..224fd34cc 100644
--- a/src/fastmcp/server/server.py
+++ b/src/fastmcp/server/server.py
@@ -2053,27 +2053,6 @@ class FastMCP(Generic[LifespanResultT]):
 
                 await server.serve()
 
-    def streamable_http_app(
-        self,
-        path: str | None = None,
-        middleware: list[ASGIMiddleware] | None = None,
-    ) -> StarletteWithLifespan:
-        """
-        Create a Starlette app for the StreamableHTTP server.
-
-        Args:
-            path: The path to the StreamableHTTP endpoint
-            middleware: A list of middleware to apply to the app
-        """
-        # Deprecated since 2.3.2
-        if fastmcp.settings.deprecation_warnings:
-            warnings.warn(
-                "The streamable_http_app method is deprecated (as of 2.3.2). Use http_app() instead.",
-                DeprecationWarning,
-                stacklevel=2,
-            )
-        return self.http_app(path=path, middleware=middleware)
-
     def http_app(
         self,
         path: str | None = None,
diff --git a/tests/deprecated/test_deprecated.py b/tests/deprecated/test_deprecated.py
index ec9ce4e23..78ea5a957 100644
--- a/tests/deprecated/test_deprecated.py
+++ b/tests/deprecated/test_deprecated.py
@@ -32,17 +32,6 @@ class TestDeprecationWarningsSetting:
                 mcp.settings
 
 
-def test_streamable_http_app_deprecation_warning():
-    """Test that streamable_http_app raises a deprecation warning."""
-    server = FastMCP("TestServer")
-
-    with pytest.warns(
-        DeprecationWarning, match="The streamable_http_app method is deprecated"
-    ):
-        app = server.streamable_http_app()
-        assert isinstance(app, Starlette)
-
-
 def test_http_app_with_sse_transport():
     """Test that http_app with SSE transport works (no warning)."""
     server = FastMCP("TestServer")