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feat(client): store serverInfo from initialization result #1565

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feat(client): store serverInfo from initialization result #1565

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db43067
use serverInfo if _client_info is DEFAULT_CLIENT_INFO
bjoaquinc Nov 3, 2025
5e62109
move functionality to after protocolVersion check
bjoaquinc Nov 3, 2025
86eae4b
add unit test asserts
bjoaquinc Nov 4, 2025
744949e
Merge branch 'main' into client-info-from-server
bjoaquinc Nov 4, 2025
94f77ce
Merge branch 'main' into client-info-from-server
bjoaquinc Nov 9, 2025
bf82138
run pre-commit
bjoaquinc Nov 9, 2025
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3 changes: 3 additions & 0 deletions src/mcp/client/session.py
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Original file line number Diff line number Diff line change
Expand Up @@ -170,6 +170,9 @@ async def initialize(self) -> types.InitializeResult:
if result.protocolVersion not in SUPPORTED_PROTOCOL_VERSIONS:
raise RuntimeError(f"Unsupported protocol version from the server: {result.protocolVersion}")

if self._client_info is DEFAULT_CLIENT_INFO:
self._client_info = result.serverInfo

await self.send_notification(types.ClientNotification(types.InitializedNotification()))

return result
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