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docs: stop presenting the in-memory client as the way to connect (#3443)

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Max 2026-09-05 04:15:58 +01:00 • committed by GitHub
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19
tests/docs_src/test_apps.py
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@ -5,9 +5,8 @@ from typing import Any
import pytest
from mcp_types import TextContent, TextResourceContents
from docs_src.apps import tutorial001, tutorial002, tutorial003
from docs_src.apps import tutorial001, tutorial001_client, tutorial002, tutorial003
from mcp import Client
from mcp.client import advertise
from mcp.server.apps import APP_MIME_TYPE, EXTENSION_ID
# See test_index.py for why this is a per-module mark and not a conftest hook.
@ -33,11 +32,10 @@ async def test_the_ui_resource_is_served_as_the_app_mime_type() -> None:
async def test_one_tool_two_answers() -> None:
"""tutorial001: the canonical degradation pattern: raw data for a client that
negotiated Apps, a human sentence for one that did not."""
async with Client(
tutorial001.mcp, extensions=[advertise(EXTENSION_ID, {"mimeTypes": [APP_MIME_TYPE]})]
) as ui_client:
"""tutorial001_client's `APPS_SUPPORT` declaration, driven in-process against
tutorial001's server: the client that negotiated Apps (with the required
`mimeTypes`) gets raw data, one that did not gets the human sentence."""
async with Client(tutorial001.mcp, extensions=[tutorial001_client.APPS_SUPPORT]) as ui_client:
rich = await ui_client.call_tool("get_time", {})
async with Client(tutorial001.mcp) as text_client:
plain = await text_client.call_tool("get_time", {})
@ -45,13 +43,6 @@ async def test_one_tool_two_answers() -> None:
assert plain.content == [TextContent(type="text", text="The time is 2026-06-26T12:00:00Z.")]
async def test_the_clock_client_program_runs_as_shown(capsys: pytest.CaptureFixture[str]) -> None:
"""tutorial001: `main()` declares Apps support with the required `mimeTypes` and
receives the rich answer the page promises."""
await tutorial001.main()
assert "2026-06-26T12:00:00Z" in capsys.readouterr().out
async def test_capability_advertised_under_server_extensions() -> None:
"""tutorial001: passing `extensions=[apps]` advertises `io.modelcontextprotocol/ui`."""
async with Client(tutorial001.mcp) as client: