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Backport: Add missing TasksCallCapability to v1.x (#2137)

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Co-authored-by: Max Isbey <224885523+maxisbey@users.noreply.github.com>
Co-authored-by: Claude <noreply@anthropic.com>
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BabyChrist666 2026-03-02 07:56:24 -05:00 • committed by GitHub
commit f8d98b63a7
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2 changed files with 6 additions and 1 deletions
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3
src/mcp/server/lowlevel/experimental.py
View file

@ -31,6 +31,7 @@ from mcp.types import (
ServerResult,
ServerTasksCapability,
ServerTasksRequestsCapability,
TasksCallCapability,
TasksCancelCapability,
TasksListCapability,
TasksToolsCapability,
@ -79,7 +80,7 @@ class ExperimentalHandlers:
capabilities.tasks.cancel = TasksCancelCapability()
capabilities.tasks.requests = ServerTasksRequestsCapability(
tools=TasksToolsCapability()
tools=TasksToolsCapability(call=TasksCallCapability())
) # assuming always supported for now
def enable_tasks(

4
tests/experimental/tasks/server/test_run_task_flow.py
View file

@ -227,6 +227,10 @@ async def test_enable_tasks_auto_registers_handlers() -> None:
assert caps_after.tasks is not None
assert caps_after.tasks.list is not None
assert caps_after.tasks.cancel is not None
# Verify nested call capability is present
assert caps_after.tasks.requests is not None
assert caps_after.tasks.requests.tools is not None
assert caps_after.tasks.requests.tools.call is not None
@pytest.mark.anyio