karabiner.json

{
    "global": {
        "check_for_updates_on_startup": true,
        "show_in_menu_bar": true,
        "show_profile_name_in_menu_bar": false
    },
    "profiles": [
        {
          "complex_modifications": {
            "rules": [
              {"manipulators": [
                {"description": "Change caps_lock to command+control+option+shift.",
                 "type": "basic",
                 "from": {"key_code": "caps_lock",
                          "modifiers": {"optional": ["any"]}},
                 "to": [{"key_code": "left_control",
                         "modifiers": ["left_command", "left_shift", "left_option"]}]},
                {"description": "map left shift to opening parenthesis",
                 "type": "basic",
                 "from": {"key_code": "left_shift",
                          "modifiers": {"optional": ["any"]}},
                 "to_if_alone": [{"key_code": "9",
                                  "modifiers": ["left_shift"]}],
                 "to": [{"key_code": "left_shift",
                         "modifiers": []}]},
                {"description": "map right shift to closing parenthesis",
                 "type": "basic",
                 "from": {"key_code": "right_shift",
                          "modifiers": {"optional": ["any"]}},
                 "to_if_alone": [{"key_code": "0",
                                  "modifiers": ["right_shift"]}],
                 "to": [{"key_code": "right_shift",
                         "modifiers": []}]}]}]},
          "devices": [],
            "fn_function_keys": {
                "f1": "vk_consumer_brightness_down",
                "f10": "mute",
                "f11": "volume_down",
                "f12": "volume_up",
                "f2": "vk_consumer_brightness_up",
                "f3": "vk_mission_control",
                "f4": "vk_launchpad",
                "f5": "vk_consumer_illumination_down",
                "f6": "vk_consumer_illumination_up",
                "f7": "vk_consumer_previous",
                "f8": "vk_consumer_play",
                "f9": "vk_consumer_next"
            },
            "name": "Default profile",
            "selected": true,
            "simple_modifications": {},
            "virtual_hid_keyboard": {
                "caps_lock_delay_milliseconds": 0,
                "keyboard_type": "ansi"
            }
        }
    ]
}