Max
40 lines
1.1 KiB
Python
40 lines
1.1 KiB
Python
from mcp import Client
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from mcp.client import advertise
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from mcp.server.apps import APP_MIME_TYPE, EXTENSION_ID, Apps, client_supports_apps
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from mcp.server.mcpserver import MCPServer
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from mcp.server.mcpserver.context import Context
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CLOCK_HTML = """\
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<!doctype html>
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<title>Clock</title>
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<h1 id="now">...</h1>
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<script>
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window.addEventListener("message", (event) => {
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const text = event.data?.result?.content?.[0]?.text;
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if (text) document.getElementById("now").textContent = text;
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});
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</script>
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"""
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apps = Apps()
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@apps.tool(resource_uri="ui://clock/app.html", description="The current time.")
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def get_time(ctx: Context) -> str:
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now = "2026-06-26T12:00:00Z"
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if not client_supports_apps(ctx):
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return f"The time is {now}."
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return now
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apps.add_html_resource("ui://clock/app.html", CLOCK_HTML, title="Clock")
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mcp = MCPServer("clock", extensions=[apps])
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async def main() -> None:
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async with Client(mcp, extensions=[advertise(EXTENSION_ID, {"mimeTypes": [APP_MIME_TYPE]})]) as client:
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result = await client.call_tool("get_time", {})
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print(result.content)
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# [TextContent(text='2026-06-26T12:00:00Z')]
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