wehub-resource-sync
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45 lines
1.6 KiB
Python
45 lines
1.6 KiB
Python
"""Serve over Streamable HTTP with JSON responses (lowlevel API)."""
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from typing import Any
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import mcp_types as types
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from starlette.applications import Starlette
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from mcp.server.context import ServerRequestContext
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from mcp.server.lowlevel import Server
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from stories._hosting import NO_DNS_REBIND, run_app_from_args
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GREET_INPUT_SCHEMA: dict[str, Any] = {
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"type": "object",
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"properties": {"name": {"type": "string"}},
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"required": ["name"],
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}
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def build_app() -> Starlette:
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async def list_tools(
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ctx: ServerRequestContext[Any], params: types.PaginatedRequestParams | None
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) -> types.ListToolsResult:
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return types.ListToolsResult(
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tools=[
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types.Tool(
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name="greet",
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description="Report progress mid-call, then return a greeting.",
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input_schema=GREET_INPUT_SCHEMA,
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)
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]
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)
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async def call_tool(ctx: ServerRequestContext[Any], params: types.CallToolRequestParams) -> types.CallToolResult:
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assert params.name == "greet" and params.arguments is not None
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await ctx.session.report_progress(0.5, total=1.0, message="halfway")
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text = f"Hello, {params.arguments['name']}!"
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return types.CallToolResult(content=[types.TextContent(text=text)], structured_content={"result": text})
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server = Server("json-response-example", on_list_tools=list_tools, on_call_tool=call_tool)
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return server.streamable_http_app(json_response=True, transport_security=NO_DNS_REBIND)
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if __name__ == "__main__":
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run_app_from_args(build_app)
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