CLI Availability by Firmware Build

MeshCore command availability is determined in three layers:

Role - repeater, room server, sensor, companion, bridge, or KISS modem.
Build profile - standard, logging, OTA, or FULL.
Compiled hardware features - WiFi, MQTT, GPS, external sensors, PSRAM, Ethernet, and similar optional support.

The complete command descriptions are in CLI Commands. This page describes the commands intentionally omitted or limited by build profile. The CLI Command Availability Matrix expands this summary into separate nRF52 and ESP32 command tables.

Role comes first

Role	Text administration CLI
Repeater	Full repeater administration surface, subject to the profile differences below
Room server	Room-server administration surface, subject to the profile differences below
Sensor	Sensor command surface; it does not acquire the repeater administration tree
Serial, USB, BLE, or WiFi companion	Uses the companion protocol; any serial diagnostics are target-specific
KISS modem	Uses the KISS/TNC frame interface, not the repeater text CLI
Bridge	Uses its base role plus commands for the bridge transport compiled into that target

A command belonging to a different role is not considered a profile cut. For example, adding FULL features to a sensor does not turn it into a repeater administrator.

Repeater profiles use 254 neighbor entries across supported platforms. The classic T-Beam SX1262 and SX1276 MQTT observer repeaters are the exception and retain 50 because their MQTT discovery tables are constrained by internal DRAM.

Profile matrix

Build/profile	Command availability
Standard non-MQTT repeater or room server	Keeps the normal role CLI. Size-constrained ESP32 artifacts can omit WebConfig and browser WiFi OTA, so their WebConfig/WiFi commands are unavailable.
Standard logging	Logging does not remove commands by itself. It has the same CLI as the selected role/profile, adds the compiled logging behavior, and provides session-only `get/set usb.logging` control.
LoRa-OTA (`-ota-`)	LoRa OTA adds the `ota ...` commands; it does not otherwise reduce the role CLI. ESP32 `no_external_sensors` artifacts retain the compact browser WiFi uploader, the complete CLI, and a 254-entry neighbor table.
ESP32 MQTT observer or ESP-NOW bridge	Always uses the expanded FULL partition profile. The build never substitutes a reduced CLI to fit the legacy application slot.
FULL ESP32	Uses the matching MQTT target with logging off and keeps the complete command surface supported by that role and hardware.
FULL ESP32 logging	Uses the matching non-MQTT target with debug and packet logging enabled, session-only `get/set usb.logging` control, and the complete command surface supported by that role and hardware.
`no_external_sensors`	Removes optional external-sensor drivers and their settings; it does not remove core repeater discovery or routing commands.

logging, OTA, and FULL describe independent build features. Do not infer that a command is missing merely because logging appears in the filename.

Complete CLI policy

The compact ESP32 CLI has been removed. MQTT observers and ESP-NOW bridges are automatically promoted to FULL builds with expanded partitions rather than dropping administration commands. This keeps tempradio, LoRa OTA, power saving, RXPS, logging, statistics, sensor, ACL, routing, and advanced radio commands whenever the role and compiled hardware support them.

Some commands still have hardware or feature limits. MQTT neighbor-table publishing and discover.scopes require the compiled WITH_MQTT_NEIGHBORS feature. PSRAM boards enable it automatically, and selected non-PSRAM variants opt in with MQTT_NEIGHBORS_WITHOUT_PSRAM. discover.neighbors does not require MQTT or PSRAM.

Discovery invariant

discover.neighbors sends the zero-hop node-discovery request used to refresh the repeater neighbor table. It is available in every repeater build profile, including standard, logging, OTA, FULL, and FULL logging builds.

The exact command is:

discover.neighbors

It accepts no options and returns:

OK - Discover sent

Some MQTT room-server targets also expose the command as part of their compiled neighbor-table feature. It is not a cross-role guarantee: companion, KISS, sensor, and ordinary room-server firmware use different interfaces or do not maintain the repeater administrator neighbor table.

Feature-dependent commands

Even in a FULL build, a command can be unavailable when its underlying feature does not exist on that target:

WebConfig and the wifi.ssid, wifi.status, wifi.powersave, and wifi.cli command family require an ESP32 WebConfig build. FULL standalone repeater and room-server builds support the corresponding WiFi setters and status commands. ESP32 WiFi Companion exposes wifi.powersave in its WebConfig form and binary protocol; Full Companion also exposes the text getter and setter on its USB terminal and TCP port 5002.
MQTT commands require an MQTT observer target.
discover.scopes requires an MQTT observer with compiled neighbor support; it does not independently require PSRAM or the FULL parser.
GPS and external-sensor commands require their drivers and pins.
Ethernet and bridge commands require the corresponding transport.
LoRa OTA commands require an artifact with OTA enabled.
uf2reset applies only to nRF52.

When diagnosing an unavailable command, check the role first, then the filename profile, and finally the target's compiled hardware features.

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