diff --git a/argv.go b/argv.go
index ff5c70f..21c6210 100644
--- a/argv.go
+++ b/argv.go
@@ -16,6 +16,7 @@ type args struct {
 	Output     string       `arg:"--output"                             help:"should get a string from regex-cli"`
 	Input      string       `arg:"--input"                              help:"should get a string from regex-cli"`
 	ImportFile string       `arg:"--import"                             help:"import a file from regex-cli"`
+	Stats      []string     `arg:"--stats"                              help:"add stats to a chat"`
 	Force      bool         `arg:"--force"                              help:"try to strong arm things"`
 	Verbose    bool         `arg:"--verbose"                            help:"show more output"`
 	Bash       bool         `arg:"--bash"                               help:"generate bash completion"`
diff --git a/doStats.go b/doStats.go
new file mode 100644
index 0000000..19ca180
--- /dev/null
+++ b/doStats.go
@@ -0,0 +1,49 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+
+	"go.wit.com/lib/protobuf/chatpb"
+	"go.wit.com/log"
+	"google.golang.org/protobuf/types/known/timestamppb"
+)
+
+func doStats() {
+	if len(argv.Stats) != 2 {
+		log.Error(fmt.Errorf("expected 2 arguments for --stats"))
+		return
+	}
+	sessionUuid := argv.Stats[0]
+	statsString := argv.Stats[1]
+
+	// Find the "auto" chat, or create it if it doesn't exist.
+	var autoChat *chatpb.Chat
+	for _, chat := range me.chats.GetChats() {
+		if chat.GetChatName() == "auto" {
+			autoChat = chat
+			break
+		}
+	}
+	if autoChat == nil {
+		autoChat = &chatpb.Chat{
+			ChatName: "auto",
+			Ctime:    timestamppb.Now(),
+		}
+		me.chats.Chats = append(me.chats.Chats, autoChat)
+	}
+
+	var stats chatpb.SessionStats
+	err := json.Unmarshal([]byte(statsString), &stats)
+	if err != nil {
+		log.Error(fmt.Errorf("error unmarshalling stats: %w", err))
+		return
+	}
+
+	// The session UUID from the command line is the UUID of the session.
+	stats.Uuid = sessionUuid
+
+	autoChat.Session = append(autoChat.Session, &stats)
+	me.chats.ConfigSave()
+	log.Info("stats saved for session", sessionUuid, "in chat", autoChat.GetChatName())
+}
diff --git a/main.go b/main.go
index cada3c2..c0dbf79 100644
--- a/main.go
+++ b/main.go
@@ -53,6 +53,11 @@ func main() {
 		me.chats.ConfigSave()
 	}
 
+	if argv.Stats != nil {
+		doStats()
+		okExit("")
+	}
+
 	if argv.Output != "" {
 		doOutput(argv.Output)
 		okExit("")