chore: import upstream snapshot with attribution

examples/stories/reconnect/server.py

@@ -0,0 +1,23 @@
+"""A small modern server whose DiscoverResult a client persists for zero-RTT reconnect."""
+
+from mcp.server.mcpserver import MCPServer
+from stories._hosting import run_server_from_args
+
+
+def build_server() -> MCPServer:
+    mcp = MCPServer(
+        "reconnect-example",
+        version="1.0.0",
+        instructions="Call add(a, b) to sum two integers.",
+    )
+
+    @mcp.tool()
+    def add(a: int, b: int) -> int:
+        """Add two integers."""
+        return a + b
+
+    return mcp
+
+
+if __name__ == "__main__":
+    run_server_from_args(build_server)