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[v1.x] Route Context.report_progress() to the originating request stream (#2994)

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Max 2026-06-26 15:43:15 +02:00 • committed by GitHub
commit 9678a3b347
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2 changed files with 10 additions and 3 deletions
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1
src/mcp/server/fastmcp/server.py
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@ -1177,6 +1177,7 @@ class Context(BaseModel, Generic[ServerSessionT, LifespanContextT, RequestT]):
progress=progress,
total=total,
message=message,
related_request_id=self.request_id,
)
async def read_resource(self, uri: str | AnyUrl) -> Iterable[ReadResourceContents]:

12
tests/issues/test_176_progress_token.py
View file

@ -36,6 +36,12 @@ async def test_progress_token_zero_first_call():
# Verify progress notifications
assert mock_session.send_progress_notification.call_count == 3, "All progress notifications should be sent"
mock_session.send_progress_notification.assert_any_call(progress_token=0, progress=0.0, total=10.0, message=None)
mock_session.send_progress_notification.assert_any_call(progress_token=0, progress=5.0, total=10.0, message=None)
mock_session.send_progress_notification.assert_any_call(progress_token=0, progress=10.0, total=10.0, message=None)
mock_session.send_progress_notification.assert_any_call(
progress_token=0, progress=0.0, total=10.0, message=None, related_request_id="test-request"
)
mock_session.send_progress_notification.assert_any_call(
progress_token=0, progress=5.0, total=10.0, message=None, related_request_id="test-request"
)
mock_session.send_progress_notification.assert_any_call(
progress_token=0, progress=10.0, total=10.0, message=None, related_request_id="test-request"
)