Update python-mcp-client sample code for MCP SDK 2.x

python-mcp-client/source-code-final/mcp_client/mcp_client.py

@@ -1,3 +1,4 @@
+import os
 import sys
 from contextlib import AsyncExitStack
 from typing import Any, Awaitable, Callable, ClassVar, Self
@@ -36,13 +37,11 @@ async def _connect_to_server(self) -> ClientSession:
             read, write = await self.exit_stack.enter_async_context(
                 stdio_client(
                     server=StdioServerParameters(
-                        command="sh",
-                        args=[
-                            "-c",
-                            f"{sys.executable} {self.server_path} 2>/dev/null",
-                        ],
+                        command=sys.executable,
+                        args=[self.server_path],
                         env=None,
-                    )
+                    ),
+                    errlog=open(os.devnull, "w"),
                 )
             )
             client_session = await self.exit_stack.enter_async_context(

python-mcp-client/source-code-final/mcp_server/mcp_server.py

@@ -1,6 +1,6 @@
-from mcp.server.fastmcp import FastMCP
+from mcp.server.mcpserver import MCPServer
 
-mcp = FastMCP("mcp_server")
+mcp = MCPServer("mcp_server")
 
 
 @mcp.tool()
@@ -12,7 +12,7 @@ async def echo(message: str) -> str:
 @mcp.prompt()
 async def greeting_prompt(name: str) -> str:
     """A simple greeting prompt."""
-    return f"Great {name} kindly."
+    return f"Greet {name} kindly."
 
 
 @mcp.resource("file://./greeting.txt")

python-mcp-client/source-code-final/pyproject.toml

@@ -5,7 +5,7 @@ description = "MCP client for testing MCP servers."
 readme = "README.md"
 requires-python = ">=3.14"
 dependencies = [
-    "mcp>=1.20.0",
+    "mcp>=2.2.0,<3",
     "openai>=2.6.1",
 ]