refactor: improve version output using SetVersionTemplate

Author: joe-ton

cmd/github-mcp-server/main.go

@@ -29,7 +29,7 @@ var (
 		Use:     "server",
 		Short:   "GitHub MCP Server",
 		Long:    `A GitHub MCP server that handles various tools and resources.`,
-		Version: fmt.Sprintf("%s (%s) %s", version, commit, date),
+        Version: version,
 	}
 
 	stdioCmd = &cobra.Command{
@@ -65,6 +65,9 @@ var (
 func init() {
 	cobra.OnInitialize(initConfig)
 
+    rootCmd.SetVersionTemplate(fmt.Sprintf(
+        "GitHub MCP Server\nVersion: %s\nCommit: %s\nBuild Date: %s\n", version, commit, date))
+
 	// Add global flags that will be shared by all commands
 	rootCmd.PersistentFlags().StringSlice("toolsets", github.DefaultTools, "An optional comma separated list of groups of tools to allow, defaults to enabling all")
 	rootCmd.PersistentFlags().Bool("dynamic-toolsets", false, "Enable dynamic toolsets")