python-sdk/examples/snippets/servers/sampling.py
Olivier Chafik 71c475588f
Implement SEP-1577 - Sampling With Tools (#1594)
Co-authored-by: Felix Weinberger <fweinberger@anthropic.com>
Co-authored-by: Claude <noreply@anthropic.com>
2025-11-22 23:58:14 -05:00

25 lines
794 B
Python

from mcp.server.fastmcp import Context, FastMCP
from mcp.server.session import ServerSession
from mcp.types import SamplingMessage, TextContent
mcp = FastMCP(name="Sampling Example")
@mcp.tool()
async def generate_poem(topic: str, ctx: Context[ServerSession, None]) -> str:
"""Generate a poem using LLM sampling."""
prompt = f"Write a short poem about {topic}"
result = await ctx.session.create_message(
messages=[
SamplingMessage(
role="user",
content=TextContent(type="text", text=prompt),
)
],
max_tokens=100,
)
if all(c.type == "text" for c in result.content_as_list):
return "\n".join(c.text for c in result.content_as_list if c.type == "text")
return str(result.content)