diff --git a/cmd/bottinagenda/root.go b/cmd/bottinagenda/root.go
index 9a72e42..79d7964 100644
--- a/cmd/bottinagenda/root.go
+++ b/cmd/bottinagenda/root.go
@@ -2,9 +2,11 @@ package main
 
 import (
 	"fmt"
+	"log"
 	"os"
 	"strings"
 
+	"git.agecem.com/bottin/bottinagenda/pkg/bottinagenda"
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
 )
@@ -52,4 +54,8 @@ func init() {
 	cobra.OnInitialize(initConfig)
 
 	rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.bottinagenda.yaml)")
+
+	if err := bottinagenda.BindClientFlags(rootCmd.PersistentFlags()); err != nil {
+		log.Fatal(err)
+	}
 }
diff --git a/pkg/bottinagenda/flag.go b/pkg/bottinagenda/flag.go
new file mode 100644
index 0000000..b382e31
--- /dev/null
+++ b/pkg/bottinagenda/flag.go
@@ -0,0 +1,46 @@
+package bottinagenda
+
+import (
+	"fmt"
+
+	"github.com/spf13/pflag"
+	"github.com/spf13/viper"
+)
+
+func BindClientFlags(set *pflag.FlagSet) error {
+	if set == nil {
+		return fmt.Errorf("cannot bind client flags on nil flagSet")
+	}
+
+	set.StringP("client-outputstyle", "o", "json", "CLI output style")
+	if err := viper.BindPFlag("Client.OutputStyle", set.Lookup("client-outputstyle")); err != nil {
+		return err
+	}
+
+	set.String("client-api-host", "localhost", "Remote API server host")
+	if err := viper.BindPFlag("Client.API.Host", set.Lookup("client-api-host")); err != nil {
+		return err
+	}
+
+	set.String("client-api-key", "", "Remote API server key")
+	if err := viper.BindPFlag("Client.API.Key", set.Lookup("client-api-key")); err != nil {
+		return err
+	}
+
+	set.Int("client-api-port", 1313, "Remote API server port")
+	if err := viper.BindPFlag("Client.API.Port", set.Lookup("client-api-port")); err != nil {
+		return err
+	}
+
+	set.Bool("client-api-tls-enabled", false, "Remote API server TLS state")
+	if err := viper.BindPFlag("Client.API.TLS.Enabled", set.Lookup("client-api-tls-enabled")); err != nil {
+		return err
+	}
+
+	set.Bool("client-api-tls-skipverify", false, "Do not verify remote API server TLS certificate")
+	if err := viper.BindPFlag("Client.API.TLS.SkipVerify", set.Lookup("client-api-tls-skipverify")); err != nil {
+		return err
+	}
+
+	return nil
+}