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modelcontextprotocol--pytho…/examples/stories/prompts/client.py
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chore: import upstream snapshot with attribution
2026-07-13 12:10:27 +08:00

40 lines
1.6 KiB
Python

"""List prompts, autocomplete an argument, then render both prompts."""
from mcp_types import PromptReference, TextContent
from mcp.client import Client
from stories._harness import Target, run_client
async def main(target: Target, *, mode: str = "auto") -> None:
async with Client(target, mode=mode) as client:
listed = await client.list_prompts()
by_name = {p.name: p for p in listed.prompts}
assert set(by_name) == {"greet", "code_review"}
assert by_name["greet"].arguments is not None
assert [a.name for a in by_name["greet"].arguments] == ["name"]
assert by_name["greet"].arguments[0].required is True
assert by_name["code_review"].title == "Code Review"
completion = await client.complete(
PromptReference(name="code_review"),
argument={"name": "language", "value": "py"},
)
assert completion.completion.values == ["python", "pytorch"], completion
greeted = await client.get_prompt("greet", {"name": "Ada"})
assert len(greeted.messages) == 1
assert greeted.messages[0].role == "user"
assert isinstance(greeted.messages[0].content, TextContent)
assert "Ada" in greeted.messages[0].content.text
reviewed = await client.get_prompt("code_review", {"language": "rust", "code": "fn main() {}"})
assert [m.role for m in reviewed.messages] == ["user", "assistant"]
first = reviewed.messages[0].content
assert isinstance(first, TextContent)
assert "rust" in first.text and "fn main() {}" in first.text
if __name__ == "__main__":
run_client(main)