wehub-resource-sync
49b9bb6724
Deploy Docs / deploy-docs (push) Failing after 1s
Conformance Tests / client-conformance (push) Failing after 3s
Conformance Tests / server-conformance (push) Failing after 1s
GitHub Actions Security Analysis / zizmor (push) Failing after 1s
CI / checks (push) Failing after 59m20s
CI / all-green (push) Waiting to run
46 lines
1.7 KiB
Python
46 lines
1.7 KiB
Python
"""Sampling primitive (lowlevel API): the same server→client round-trip, hand-built."""
|
|
|
|
from typing import Any
|
|
|
|
import mcp_types as types
|
|
|
|
from mcp.server.context import ServerRequestContext
|
|
from mcp.server.lowlevel import Server
|
|
from stories._hosting import run_server_from_args
|
|
|
|
|
|
def build_server() -> Server[Any]:
|
|
async def list_tools(
|
|
ctx: ServerRequestContext[Any], params: types.PaginatedRequestParams | None
|
|
) -> types.ListToolsResult:
|
|
return types.ListToolsResult(
|
|
tools=[
|
|
types.Tool(
|
|
name="summarize",
|
|
description="Summarize text by asking the host's LLM via sampling/createMessage.",
|
|
input_schema={
|
|
"type": "object",
|
|
"properties": {"text": {"type": "string"}},
|
|
"required": ["text"],
|
|
},
|
|
),
|
|
]
|
|
)
|
|
|
|
async def call_tool(ctx: ServerRequestContext[Any], params: types.CallToolRequestParams) -> types.CallToolResult:
|
|
assert params.name == "summarize"
|
|
assert params.arguments is not None
|
|
prompt = f"Summarize in one sentence:\n\n{params.arguments['text']}"
|
|
result = await ctx.session.create_message( # pyright: ignore[reportDeprecated]
|
|
messages=[types.SamplingMessage(role="user", content=types.TextContent(text=prompt))],
|
|
max_tokens=200,
|
|
)
|
|
assert isinstance(result.content, types.TextContent)
|
|
return types.CallToolResult(content=[types.TextContent(text=result.content.text)])
|
|
|
|
return Server("sampling-example", on_list_tools=list_tools, on_call_tool=call_tool)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
run_server_from_args(build_server)
|