Merge pull request #41 from YingchaoX/main

Fix example: ToolCollection is not iterable, use tools.tools instead

Author: burtenshaw

units/en/unit1/mcp-clients.mdx

@@ -232,7 +232,7 @@ server_parameters = StdioServerParameters(command="uv", args=["run", "server.py"
 with ToolCollection.from_mcp(
     server_parameters, trust_remote_code=True
 ) as tools:
-    print("\n".join(f"{t.name}: {t.description}" for t in tools))
+    print("\n".join(f"{tool.name}: {tool.description}" for tool in tools.tools))
 
 ```