chore: import upstream snapshot with attribution

examples/snippets/servers/mcpserver_quickstart.py

@@ -0,0 +1,42 @@
+"""MCPServer quickstart example.
+
+Run from the repository root:
+    uv run examples/snippets/servers/mcpserver_quickstart.py
+"""
+
+from mcp.server.mcpserver import MCPServer
+
+# Create an MCP server
+mcp = MCPServer("Demo")
+
+
+# Add an addition tool
+@mcp.tool()
+def add(a: int, b: int) -> int:
+    """Add two numbers"""
+    return a + b
+
+
+# Add a dynamic greeting resource
+@mcp.resource("greeting://{name}")
+def get_greeting(name: str) -> str:
+    """Get a personalized greeting"""
+    return f"Hello, {name}!"
+
+
+# Add a prompt
+@mcp.prompt()
+def greet_user(name: str, style: str = "friendly") -> str:
+    """Generate a greeting prompt"""
+    styles = {
+        "friendly": "Please write a warm, friendly greeting",
+        "formal": "Please write a formal, professional greeting",
+        "casual": "Please write a casual, relaxed greeting",
+    }
+
+    return f"{styles.get(style, styles['friendly'])} for someone named {name}."
+
+
+# Run with streamable HTTP transport
+if __name__ == "__main__":
+    mcp.run(transport="streamable-http", json_response=True)