Set the Server session initialization state immediately after responding to InitializeRequest

daamitt · daamitt · commit da4e7252bc58 · 2025-10-14T13:34:52.000+05:30
diff --git a/src/mcp/server/session.py b/src/mcp/server/session.py
@@ -163,6 +163,7 @@ async def _received_request(self, responder: RequestResponder[types.ClientReques
                             )
                         )
                     )
+                self._initialization_state = InitializationState.Initialized
             case types.PingRequest():
                 # Ping requests are allowed at any time
                 pass

Original file line number	Diff line number	Diff line change
`@@ -163,6 +163,7 @@ async def _received_request(self, responder: RequestResponder[types.ClientReques`
`163`	`163`	`)`
`164`	`164`	`)`
`165`	`165`	`)`
	`166`	`+ self._initialization_state = InitializationState.Initialized`
`166`	`167`	`case types.PingRequest():`
`167`	`168`	`# Ping requests are allowed at any time`
`168`	`169`	`pass`