diff --git a/cmd/mstdn/cmd_instance_activity.go b/cmd/mstdn/cmd_instance_activity.go
new file mode 100644
index 0000000..53a71ff
--- /dev/null
+++ b/cmd/mstdn/cmd_instance_activity.go
@@ -0,0 +1,24 @@
+package main
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/mattn/go-mastodon"
+	"github.com/urfave/cli"
+)
+
+func cmdInstanceActivity(c *cli.Context) error {
+	client := c.App.Metadata["client"].(*mastodon.Client)
+	activities, err := client.GetInstanceActivity(context.Background())
+	if err != nil {
+		return err
+	}
+	for _, activity := range activities {
+		fmt.Fprintf(c.App.Writer, "Logins        : %v\n", activity.Logins)
+		fmt.Fprintf(c.App.Writer, "Registrations : %v\n", activity.Registrations)
+		fmt.Fprintf(c.App.Writer, "Statuses      : %v\n", activity.Statuses)
+		fmt.Fprintf(c.App.Writer, "EMail         : %v\n", activity.Week)
+	}
+	return nil
+}
diff --git a/cmd/mstdn/cmd_instance_peers.go b/cmd/mstdn/cmd_instance_peers.go
new file mode 100644
index 0000000..7a73d1d
--- /dev/null
+++ b/cmd/mstdn/cmd_instance_peers.go
@@ -0,0 +1,21 @@
+package main
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/mattn/go-mastodon"
+	"github.com/urfave/cli"
+)
+
+func cmdInstancePeers(c *cli.Context) error {
+	client := c.App.Metadata["client"].(*mastodon.Client)
+	peers, err := client.GetInstancePeers(context.Background())
+	if err != nil {
+		return err
+	}
+	for _, peer := range peers {
+		fmt.Fprintln(c.App.Writer, peer)
+	}
+	return nil
+}
diff --git a/cmd/mstdn/main.go b/cmd/mstdn/main.go
index 7c67584..f17e27a 100644
--- a/cmd/mstdn/main.go
+++ b/cmd/mstdn/main.go
@@ -245,6 +245,16 @@ func makeApp() *cli.App {
 			Usage:  "show instance information",
 			Action: cmdInstance,
 		},
+		{
+			Name:   "instance_activity",
+			Usage:  "show instance activity information",
+			Action: cmdInstanceActivity,
+		},
+		{
+			Name:   "instance_peers",
+			Usage:  "show instance peers information",
+			Action: cmdInstancePeers,
+		},
 		{
 			Name:   "account",
 			Usage:  "show account information",