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Implement SEP-1036: URL mode elicitation for secure out-of-band interactions (#1580)

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Co-authored-by: Felix Weinberger <3823880+felixweinberger@users.noreply.github.com>
Co-authored-by: Felix Weinberger <fweinberger@anthropic.com>
This commit is contained in:
Chris Coutinho 2025-11-25 12:00:21 +01:00 • committed by GitHub
commit 02b7889929
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1 changed files with 1372 additions and 15 deletions
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12
src/mcp/client/session.py
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@ -138,7 +138,12 @@ class ClientSession(
async def initialize(self) -> types.InitializeResult:
sampling = types.SamplingCapability() if self._sampling_callback is not _default_sampling_callback else None
elicitation = (
types.ElicitationCapability() if self._elicitation_callback is not _default_elicitation_callback else None
types.ElicitationCapability(
form=types.FormElicitationCapability(),
url=types.UrlElicitationCapability(),
)
if self._elicitation_callback is not _default_elicitation_callback
else None
)
roots = (
# TODO: Should this be based on whether we
@ -552,5 +557,10 @@ class ClientSession(
match notification.root:
case types.LoggingMessageNotification(params=params):
await self._logging_callback(params)
case types.ElicitCompleteNotification(params=params):
# Handle elicitation completion notification
# Clients MAY use this to retry requests or update UI
# The notification contains the elicitationId of the completed elicitation
pass
case _:
pass