diff --git a/cmd/serve/serve.go b/cmd/serve/serve.go
index 9321901..79767f8 100644
--- a/cmd/serve/serve.go
+++ b/cmd/serve/serve.go
@@ -1,6 +1,8 @@
 package serve
 
 import (
+	"os"
+
 	"github.com/kardianos/service"
 	"github.com/spf13/cobra"
 
@@ -9,7 +11,11 @@ import (
 	"github.com/anyproto/anytype-cli/core/serviceprogram"
 )
 
-var listenAddress string
+var (
+	listenAddress string
+	quietMode     bool
+	verboseMode   bool
+)
 
 func NewServeCmd() *cobra.Command {
 	cmd := &cobra.Command{
@@ -21,11 +27,23 @@ func NewServeCmd() *cobra.Command {
 	}
 
 	cmd.Flags().StringVar(&listenAddress, "listen-address", config.DefaultAPIAddress, "API listen address in `host:port` format")
+	cmd.Flags().BoolVarP(&quietMode, "quiet", "q", false, "Suppress most output (only errors)")
+	cmd.Flags().BoolVarP(&verboseMode, "verbose", "v", false, "Show detailed output (debug level)")
+	cmd.MarkFlagsMutuallyExclusive("quiet", "verbose")
 
 	return cmd
 }
 
 func runServer(cmd *cobra.Command, args []string) error {
+	// Configure anytype-heart log level via environment variables (must be set before server starts)
+	if quietMode {
+		os.Setenv("ANYTYPE_LOG_LEVEL", "*=FATAL")
+		os.Setenv("ANYTYPE_LOG_NOGELF", "1")
+	} else if verboseMode {
+		os.Setenv("ANYTYPE_LOG_LEVEL", "*=DEBUG")
+	}
+	// Default log level (ERROR) is set in grpcserver/server.go if not specified
+
 	svcConfig := &service.Config{
 		Name:        "anytype",
 		DisplayName: "Anytype",
diff --git a/cmd/serve/serve_test.go b/cmd/serve/serve_test.go
index a08123f..b9eb457 100644
--- a/cmd/serve/serve_test.go
+++ b/cmd/serve/serve_test.go
@@ -1,6 +1,7 @@
 package serve
 
 import (
+	"strings"
 	"testing"
 
 	"github.com/anyproto/anytype-cli/core/config"
@@ -51,3 +52,55 @@ func TestServeCmd_ListenAddressFlagCustomValue(t *testing.T) {
 		t.Errorf("listen-address value = %v, want %v", flag.Value.String(), customAddr)
 	}
 }
+
+func TestServeCmd_QuietFlag(t *testing.T) {
+	cmd := NewServeCmd()
+
+	flag := cmd.Flag("quiet")
+	if flag == nil {
+		t.Fatal("quiet flag not found")
+	}
+
+	if flag.Shorthand != "q" {
+		t.Errorf("quiet shorthand = %v, want q", flag.Shorthand)
+	}
+
+	if flag.DefValue != "false" {
+		t.Errorf("quiet default = %v, want false", flag.DefValue)
+	}
+}
+
+func TestServeCmd_VerboseFlag(t *testing.T) {
+	cmd := NewServeCmd()
+
+	flag := cmd.Flag("verbose")
+	if flag == nil {
+		t.Fatal("verbose flag not found")
+	}
+
+	if flag.Shorthand != "v" {
+		t.Errorf("verbose shorthand = %v, want v", flag.Shorthand)
+	}
+
+	if flag.DefValue != "false" {
+		t.Errorf("verbose default = %v, want false", flag.DefValue)
+	}
+}
+
+func TestServeCmd_QuietAndVerboseMutuallyExclusive(t *testing.T) {
+	cmd := NewServeCmd()
+	cmd.SetArgs([]string{"--quiet", "--verbose"})
+
+	err := cmd.Execute()
+	if err == nil {
+		t.Fatal("expected error when using --quiet and --verbose together")
+	}
+
+	errMsg := err.Error()
+	if !strings.Contains(errMsg, "quiet") {
+		t.Errorf("error message should mention 'quiet' flag, got: %q", errMsg)
+	}
+	if !strings.Contains(errMsg, "verbose") {
+		t.Errorf("error message should mention 'verbose' flag, got: %q", errMsg)
+	}
+}