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Anthropic's official Claude AI desktop application. Supports MCP servers to extend functionality.
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dmontgomery40/mcp-3d-printer-server
An MCP server that connects Claude, Codex, and other MCP clients to 3D printers running OctoPrint, Klipper (Moonraker), Duet, Repetier-Server, Bambu Lab, PrusaLink or Prusa Connect, and Creality.
See repository
Setup steps are in the repository README.
Your agent can check status, upload and start jobs, cancel prints, edit STL meshes, run your slicer, and hand models to Blender through an optional Blender MCP bridge.
Thank you, FULU Foundation, Louis Rossmann, and the OrcaSlicer-bambulab contributors. Thank you for standing up for consumer ownership, open-source developers, repair rights, and owners whose working hardware should not be made worse by locked-down software.
Seven printer backends, selected with PRINTER_TYPE: OctoPrint, Klipper (Moonraker), Duet, Repetier-Server, Bambu Lab, PrusaLink or Prusa Connect, and Creality
Per-call type, host, port, and api_key arguments for working with more than one printer
Printer status, file listing, G-code upload from inline content or a local path, starting a stored file, cancelling a job, and setting bed or nozzle temperatures
STL tools: inspect dimensions, scale, rotate, translate, extend the base, merge vertices, center, lay flat, transform one section of a model, and render multi-angle SVG previews
A print and heating safety gate on every backend: the exact G-code is inspected, every heater target is checked against hardware and material ceilings, the printer's state is checked, and a human…
Slicing through PrusaSlicer, Slic3r, OrcaSlicer, CuraEngine, FULU OrcaSlicer-bambulab, or Bambu Studio command lines, with G-code peak-temperature checks and a one-call process-and-print pipeline
Bambu-compatible CLI slicing with the exact model and nozzle machine preset resolved from your slicer installation, filament slots and colours, placement options, and a local template registry
Bambu Lab project printing: upload a sliced.3mf over FTPS and start it over MQTT with the plate's G-code path, MD5, AMS mapping, and calibration flags, after checking the plate against a fresh…
Required Bambu printer model for print operations, asked for through MCP elicitation when missing
FULU OrcaSlicer-bambulab setup inspection and diagnostic BambuNetwork bridge RPC, with raw print methods refused
get_stl_info
Inspect an STL file without modifying it.
scale_stl
Scale a model uniformly with scale_factor, or per axis with scale_x, scale_y, and scale_z.
rotate_stl
Rotate a model around the X, Y, and Z axes, in degrees.
translate_stl
Move a model along the X, Y, and Z axes, in millimeters.
extend_stl_base
Add solid geometry underneath the model to raise and widen its base. extension_inches is in inches and is converted to millimeters (25.4 mm per inch).
merge_vertices
Merge vertices closer together than tolerance (millimeters, default 0.01).
center_model
Move the model so the center of its bounding box is at the origin (0, 0, 0).
lay_flat
Find the model's largest flat face and rotate the model so that face rests on the XY plane (Z = 0).
modify_stl_section
Apply a scale, rotation, or translation to one section of a model: the top, bottom, or center third of its bounding box, or a custom box. value_x, value_y, and…
generate_stl_visualization
Render an SVG with front, side, top, and isometric views of a model. width and height set each view's size in pixels (default 300).
get_printer_status
Read the printer's current status.
list_printer_files
List the files stored on the printer or its host software.
upload_gcode
Upload G-code to the printer, and optionally start it.
start_print
Start a G-code file that is already stored on the printer.
cancel_print
Cancel the current print job.
set_printer_temperature
Set a target temperature for a printer component.
print_3mf
Upload a sliced.3mf project to a Bambu printer over FTPS and start it with an MQTT project_file command that carries the plate's G-code path, its MD5, the AMS…
check_fulu_orca_setup
Inspect a FULU OrcaSlicer-bambulab install: the executable, the platform runtime payload, the install and verify commands, and optionally a BambuNetwork bridge…
fulu_bambu_network_rpc
Call one FULU BambuNetwork bridge method for diagnostics.
slice_stl
Slice an STL or 3MF with the configured slicer and return the output path: G-code for PrusaSlicer, Slic3r, generic OrcaSlicer, and CuraEngine, or a sliced.3mf…
slice_with_template
Slice an STL or 3MF with a named template from the local template registry.
list_templates
List the saved slicing templates (.3mf,.json,.config) in the registry directory, BAMBU_TEMPLATE_DIR (default ~/Sync/bambu/templates), or in template_dir.
save_template
Copy a local.3mf,.json, or.config file into the template registry. template_name defaults to the source filename without its extension.
get_slice_settings
Read the slicer settings in a 3MF, an extracted project_settings.config, or a profile JSON without slicing: layer height, infill, walls, supports, brim, bed,…
confirm_temperatures
Report every heater target in a G-code file: S and R forms, tool-addressed targets, RepRapFirmware G10/M568, and Klipper SET_HEATER_TEMPERATURE.
process_and_print_stl
Extend an STL's base, slice it, and print it through the same checked print gate as upload_gcode and print_3mf, including the human confirmation.
blender_mcp_status
Inspect the Blender MCP configuration.
blender_mcp_call
Call a tool the Blender MCP server advertises, such as get_scene_info or execute_blender_code, with arguments matching its discovered schema.
blender_mcp_export_stl
Export named objects from the live Blender scene to a new STL for slicing.
blender_mcp_edit_model
Import an STL into Blender, apply ordered edits, and export a new STL.
Details on this page are taken from the project's README. Open README
Clients mentioned in this server's README:

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