fix: omit handlers in serialization

Author: lariel-fernandes

mcp/prompts.go

@@ -69,7 +69,7 @@ type PromptArgument struct {
 	// If true, clients must include this argument when calling prompts/get.
 	Required bool `json:"required,omitempty"`
 	// Optional CompletionHandlerFunc for autocompleting the argument value.
-	CompletionHandler *CompletionHandlerFunc `json:"completionHandler,omitempty"`
+	CompletionHandler *CompletionHandlerFunc `json:"-"`
 }
 
 // Role represents the sender or recipient of messages and data in a

mcp/types.go

@@ -81,7 +81,7 @@ type URITemplate struct {
 	*uritemplate.Template
 
 	// Optional mapping of URI template arguments to CompletionHandlerFunc for autocompleting each argument's value.
-	ArgumentCompletionHandlers map[string]CompletionHandlerFunc `json:"argumentCompletionHandlers,omitempty"`
+	ArgumentCompletionHandlers map[string]CompletionHandlerFunc `json:"-"`
 }
 
 func (t *URITemplate) MarshalJSON() ([]byte, error) {