| Basic operations | Check CLI and service health | tier0 doctor |
| Basic operations | Check service connectivity and gateway info | tier0 api /openapi/v1/info --body '{}' --json |
| Basic operations | Upgrade CLI and skills | tier0 upgrade and tier0 skills update |
| UNS | Browse paths | tier0 uns browse --path / or tier0 uns browse --path Plant/Line1 --json |
| UNS | Search for topics by keywords | tier0 uns search --keyword temp --json or tier0 uns search --path-prefix Plant/Line1 --size 50 --json |
| UNS | Read current values | tier0 uns read Plant/Line1/Metric/Temperature --json or tier0 uns read --topic 'Plant/+/Metric/Temperature' --json |
| UNS | Write values | tier0 uns write --topic Plant/Line1/Metric/Temperature --value '{"temperature":27.5}' |
| UNS | Query history | tier0 uns history -t Plant/Line1/Metric/Temperature --start -1h --json |
| UNS | Create paths or topics | tier0 uns create --topic Plant/Line1 --type path or tier0 uns create --file namespace.json --json |
| UNS | Update metadata or fields | tier0 uns update --path Plant/Line1/Metric/Temperature --description "Line 1 temperature" --update-mask description |
| UNS | Delete or restore nodes | tier0 uns delete --path Plant/Line1/Metric/Temperature --yes or tier0 uns restore --path Plant/Line1/Metric/Temperature --yes |
| Node-RED Flow | List or inspect Flows | tier0 flow list, tier0 flow list --source --json, or tier0 flow get --id 1 --json |
| Node-RED Flow | Create Source Flow or Event Flow | tier0 flow create --name "modbus-collector" --source --desc "Modbus TCP collector" or tier0 flow create --name "alert-handler" --event --desc "Temperature alarm processor" |
| Node-RED Flow | Update Flow metadata | tier0 flow update --id 1 --name "line1-collector" or tier0 flow update --id 1 --favorite |
| Node-RED Flow | Export canvas JSON | tier0 flow data --id 1 --out flows.json |
| Node-RED Flow | Deploy canvas JSON | tier0 flow deploy --id 1 -f flows.json --yes |
| Node-RED Flow | Delete Flows | tier0 flow delete --id 1 --yes |
| Node-RED Flow | Check available node types | tier0 flow nodes --source --json or tier0 flow nodes --event --json |