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Add Claude usage applet for Home Assistant

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Fetches 5h and 7-day rate limit windows from claude.ai/api and exports
them to a JSON file; adds HA sensors, template sensors, systemd
service/timer, and a button-card for both dashboards.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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ltadeu6 2026-05-17 16:18:27 -03:00
parent 40fc96ffd7
commit f85cf6b2df
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82
hosts/Nixos/configuration.nix
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@ -8,6 +8,7 @@ let
homeDir = "/home/${username}";
repoDir = "${homeDir}/Projetos/Sistemas/nixos-config";
codexStatusPath = "/var/lib/hass/codex_status.json";
claudeUsagePath = "/var/lib/hass/claude_usage.json";
haAirConditioner = "climate.ar";
haLaundryDryingToggle = "input_boolean.secar_roupas";
haClimateAction = action: data: {
@ -568,6 +569,50 @@ in {
icon = "mdi:calendar-refresh";
};
}
{
sensor = {
name = "Claude 5h Left";
unique_id = "claude_5h_left";
command = "${pkgs.coreutils}/bin/cat ${claudeUsagePath}";
value_template = "{{ value_json.five_hour_left_percent }}";
unit_of_measurement = "%";
scan_interval = 60;
icon = "mdi:timer-sand";
};
}
{
sensor = {
name = "Claude 5h Reset";
unique_id = "claude_5h_reset";
command = "${pkgs.coreutils}/bin/cat ${claudeUsagePath}";
value_template = "{{ value_json.five_hour_resets_at }}";
device_class = "timestamp";
scan_interval = 60;
icon = "mdi:timer-refresh";
};
}
{
sensor = {
name = "Claude 7d Left";
unique_id = "claude_7d_left";
command = "${pkgs.coreutils}/bin/cat ${claudeUsagePath}";
value_template = "{{ value_json.seven_day_left_percent }}";
unit_of_measurement = "%";
scan_interval = 60;
icon = "mdi:calendar-week";
};
}
{
sensor = {
name = "Claude 7d Reset";
unique_id = "claude_7d_reset";
command = "${pkgs.coreutils}/bin/cat ${claudeUsagePath}";
value_template = "{{ value_json.seven_day_resets_at }}";
device_class = "timestamp";
scan_interval = 60;
icon = "mdi:calendar-refresh";
};
}
];
template = [
@ -587,6 +632,20 @@ in {
"{{ as_timestamp(states('sensor.codex_weekly_reset')) | timestamp_custom('%d/%m/%Y %H:%M', true) }}";
icon = "mdi:calendar-refresh";
}
{
name = "Claude 5h Reset Formatted";
unique_id = "claude_5h_reset_formatted";
state =
"{{ as_timestamp(states('sensor.claude_5h_reset')) | timestamp_custom('%d/%m/%Y %H:%M', true) }}";
icon = "mdi:timer-refresh";
}
{
name = "Claude 7d Reset Formatted";
unique_id = "claude_7d_reset_formatted";
state =
"{{ as_timestamp(states('sensor.claude_7d_reset')) | timestamp_custom('%d/%m/%Y %H:%M', true) }}";
icon = "mdi:calendar-refresh";
}
];
}
];
@ -1199,6 +1258,29 @@ in {
};
};
systemd.services.claude-usage-export = {
description = "Export Claude usage for Home Assistant";
after = [ "home-assistant.service" ];
serviceConfig = {
Type = "oneshot";
};
script = ''
set -euo pipefail
export HOME=${homeDir}
${pkgs.python3}/bin/python3 ${../../configs/home-assistant/claude_usage.py} ${claudeUsagePath}
'';
};
systemd.timers.claude-usage-export = {
wantedBy = [ "timers.target" ];
timerConfig = {
OnBootSec = "2min";
OnUnitActiveSec = "5min";
Persistent = true;
Unit = "claude-usage-export.service";
};
};
systemd.timers."nix-flake-update" = {
wantedBy = [ "timers.target" ];
timerConfig = {