diff --git a/main/cli/serial_cli.c b/main/cli/serial_cli.c
index 49fed0a..32c3ce3 100644
--- a/main/cli/serial_cli.c
+++ b/main/cli/serial_cli.c
@@ -299,6 +299,24 @@ static int cmd_set_search_key(int argc, char **argv)
     return 0;
 }
 
+/* --- set_tavily_key command --- */
+static struct {
+    struct arg_str *key;
+    struct arg_end *end;
+} tavily_key_args;
+
+static int cmd_set_tavily_key(int argc, char **argv)
+{
+    int nerrors = arg_parse(argc, argv, (void **)&tavily_key_args);
+    if (nerrors != 0) {
+        arg_print_errors(stderr, tavily_key_args.end, argv[0]);
+        return 1;
+    }
+    tool_web_search_set_tavily_key(tavily_key_args.key->sval[0]);
+    printf("Tavily API key saved.\n");
+    return 0;
+}
+
 /* --- wifi_scan command --- */
 static int cmd_wifi_scan(int argc, char **argv)
 {
@@ -519,6 +537,7 @@ static int cmd_config_show(int argc, char **argv)
     print_config("Proxy Host", MIMI_NVS_PROXY,  MIMI_NVS_KEY_PROXY_HOST, MIMI_SECRET_PROXY_HOST, false);
     print_config("Proxy Port", MIMI_NVS_PROXY,  MIMI_NVS_KEY_PROXY_PORT, MIMI_SECRET_PROXY_PORT, false);
     print_config("Search Key", MIMI_NVS_SEARCH, MIMI_NVS_KEY_API_KEY,  MIMI_SECRET_SEARCH_KEY, true);
+    print_config("Tavily Key", MIMI_NVS_SEARCH, MIMI_NVS_KEY_TAVILY_KEY, MIMI_SECRET_TAVILY_KEY, true);
     printf("=============================\n");
     return 0;
 }
@@ -805,6 +824,17 @@ esp_err_t serial_cli_init(void)
     };
     esp_console_cmd_register(&search_key_cmd);
 
+    /* set_tavily_key */
+    tavily_key_args.key = arg_str1(NULL, NULL, "<key>", "Tavily Search API key");
+    tavily_key_args.end = arg_end(1);
+    esp_console_cmd_t tavily_key_cmd = {
+        .command = "set_tavily_key",
+        .help = "Set Tavily API key for web_search tool",
+        .func = &cmd_set_tavily_key,
+        .argtable = &tavily_key_args,
+    };
+    esp_console_cmd_register(&tavily_key_cmd);
+
     /* set_proxy */
     proxy_args.host = arg_str1(NULL, NULL, "<host>", "Proxy host/IP");
     proxy_args.port = arg_int1(NULL, NULL, "<port>", "Proxy port");