Embed code snippets for README from executable examples (#1055)

examples/snippets/servers/sampling.py

@@ -0,0 +1,24 @@
+from mcp.server.fastmcp import Context, FastMCP
+from mcp.types import SamplingMessage, TextContent
+
+mcp = FastMCP(name="Sampling Example")
+
+
+@mcp.tool()
+async def generate_poem(topic: str, ctx: Context) -> 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 result.content.type == "text":
+        return result.content.text
+    return str(result.content)