Merge pull request #31 from modelcontextprotocol/justin/is-error-optional

jspahrsummers · web-flow · commit 975f79b119da · 2024-11-07T13:39:15.000Z
`CallToolResult.isError` should be optional
diff --git a/mcp_python/types.py b/mcp_python/types.py
@@ -641,7 +641,7 @@ class CallToolResult(Result):
     """The server's response to a tool call."""
 
     content: list[TextContent | ImageContent | EmbeddedResource]
-    isError: bool
+    isError: bool = False
 
 
 class ToolListChangedNotification(Notification):
