set_nozzle
Set nozzle diameter for profile selection
How to use it
set_nozzle is exposed by the Bambu MCP MCP server. Add the server to your MCP client (Claude Desktop, Cursor, Windsurf and others), and the set_nozzle tool becomes available to the model automatically. See the full listing for setup details and every tool this server provides.
FULL BAMBU MCP LISTINGOther tools in Bambu MCP (23)
Change to a different AMS tray (0-3)
Unload current filament from extruder
Enable/disable camera recording
Enable/disable timelapse recording
Upload .gcode/.3mf/.stl to printer via FTPS
Get printer status via cloud API
Get Bambu Lab cloud account profile
Control chamber/work LED lights
List all printers registered to cloud account
Connect to printer via local MQTT over TLS
Disconnect from MQTT
Return last cached status (no pushall — use for frequent polling)
Request full status push (temps, progress, AMS, fans, etc.)
Get firmware and module version info
Pause the current print
Start printing a file from printer SD card
Resume a paused print
Send G-code command (dangerous commands blocked)
Set speed via profile (silent/standard/sport/ludicrous) or percentage
Stop the current print immediately
Set nozzle or bed temperature (with safety limits)
Sign message with X.509 certificate for firmware auth bypass
Skip specific objects during multi-object prints