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chore: import upstream snapshot with attribution
2026-07-13 12:10:27 +08:00

38 lines
1.1 KiB
Python

"""Send a vendor-prefixed request via the `client.session` escape hatch."""
from typing import Literal
import mcp_types as types
from mcp.client import Client
from stories._harness import Target, run_client
class SearchParams(types.RequestParams):
query: str
limit: int = 10
class SearchRequest(types.Request[SearchParams, Literal["acme/search"]]):
method: Literal["acme/search"] = "acme/search"
params: SearchParams
class SearchResult(types.Result):
items: list[str]
async def main(target: Target, *, mode: str = "auto") -> None:
async with Client(target, mode=mode) as client:
# `Client` only exposes spec-defined verbs, so vendor methods have to drop one
# layer to `client.session` today — there is no `Client`-level API for them
# yet, and whether `.session` stays public is undecided. `send_request`
# accepts any `Request` subclass.
request = SearchRequest(params=SearchParams(query="mcp", limit=3))
result = await client.session.send_request(request, SearchResult)
assert result.items == ["mcp-0", "mcp-1", "mcp-2"], result
if __name__ == "__main__":
run_client(main)