MCPInstall

gcode

by earthtojakeMedia & Creative

Slice 3D models into printer-ready G-code with OrcaSlicer, the open-source slicer with built-in profiles for most FDM printers (Prusa, Bambu Lab, Creality, Voron and more). Use when the user wants an .stl, .3mf or .obj model sliced for their printer, as a sliced .gcode.3mf or plain .gcode, headless with OrcaSlicer's command line or by opening the model in OrcaSlicer. Never contacts a printer.

Installs
9.6K
Last 24h
+82
Trending rank
#2249
Security
Pass

Install

Works with every agent the skills CLI supports.

npx skills add https://github.com/earthtojake/text-to-cad --skill gcode
  1. 01

    Install

    Run the command in your project. The CLI asks which agents to install for.

  2. 02

    Describe the task

    Ask your agent for something this skill covers. It loads gcode automatically when relevant.

  3. 03

    Review the result

    The agent follows the SKILL.md steps, scripts and references bundled with the skill.

Security audits

Independent scans of the skill's instructions and bundled files.

Gen Agent Trust Hub PassSAFE ·This skill allows the agent to slice 3D models into G-code for 3D printing using OrcaSlicer. It involves executing local commands and a helper script to manage printer settings. A minor security surface exists as the skill processes external 3D model files which could potentially contain indirect instructions.
Socket PassNo alerts
Snyk PassLOW ·Risk: LOW · No issues

SKILL.md

The instructions your agent reads when the skill is triggered.

G-code

Provenance: maintained in earthtojake/text-to-cad. Use the installed local skill files as the runtime source of truth; the repository link is only for provenance and release review.

Slice with OrcaSlicer, headless (below) or by opening the model in the OrcaSlicer app for the user. The agent never contacts a printer: for a Bambu Lab printer, hand the result to $bambu-labs; for any other printer, give the user the .gcode.

Install OrcaSlicer

  • macOS: brew install --cask orcaslicer. The command line is /Applications/OrcaSlicer.app/Contents/MacOS/OrcaSlicer.
  • Windows and Linux: install a release from https://github.com/OrcaSlicer/OrcaSlicer/releases. The command is orca-slicer; on Linux, run it from the AppImage or Flatpak.

Below, <orca> is that command.

Slice headless

OrcaSlicer's command line (https://www.orcaslicer.com/wiki/cli/cli_mode) needs complete presets: it doesn't fill in a preset's parent settings, and it slices only with a process whose compatible printers name the printer. scripts/orca_presets.py (Python 3, no dependencies) writes them from OrcaSlicer's presets, searching the user's own first, then OrcaSlicer's built-in profiles.

  1. Find the user's printer, process and filament presets. Prefer the presets the user prints with; never invent one, since a wrong bed size or temperature can damage the printer.

    python scripts/orca_presets.py --list machine --match "MK4S"
python scripts/orca_presets.py --list process --match "@MK4S 0.4"
python scripts/orca_presets.py --list filament --match "PLA @MK4S"

  2. Write the complete presets:

    python scripts/orca_presets.py --printer "Prusa MK4S 0.4 nozzle" \
  --process "0.20mm SPEED @MK4S 0.4" --filament "Prusa Generic PLA @MK4S" \
  --out presets

  3. Slice. Give --outputdir an absolute path:

    <orca> model.stl \
  --load-settings "presets/process.json;presets/printer.json" \
  --load-filaments presets/filament-1.json \
  --arrange 1 --slice 0 \
  --outputdir /absolute/path/to/out --export-3mf model.gcode.3mf

    This writes plate_1.gcode, the plain G-code, and model.gcode.3mf, the sliced 3MF, into that folder. The command line reads .stl, .3mf, .obj and .amf; export STEP to STL or 3MF with $cad first. Override one setting with --<setting>=<value>, using the setting's key with hyphens for underscores, such as --layer-height=0.16.

Open in OrcaSlicer

When the user would rather pick presets and slice themselves, or no preset can be found, open the model in the app: open -a OrcaSlicer model.stl on macOS, Start-Process model.stl on Windows when OrcaSlicer opens that file type, or orca-slicer model.stl on Linux. The app also reads STEP.

Check before printing

  • <orca> model.stl --info prints the model's size; it has to fit the bed.

  • Check the slice's settings, which OrcaSlicer writes at the end of the G-code:

    grep -E '^; (printer_model|nozzle_diameter|filament_type|nozzle_temperature|hot_plate_temp|bed_temperature) =|printing time' out/plate_1.gcode

    Confirm they match the user's printer and material before anyone prints it.

Hand off

  • A Bambu Lab printer: $bambu-labs, with the .gcode.3mf.
  • Any other printer: the user prints the .gcode from their printer's app, its web interface (PrusaLink, OctoPrint, Mainsail, Fluidd) or an SD card.

FAQ

What does the gcode skill do?

Slice 3D models into printer-ready G-code with OrcaSlicer, the open-source slicer with built-in profiles for most FDM printers (Prusa, Bambu Lab, Creality, Voron and more). Use when the user wants an .stl, .3mf or .obj model sliced for their printer, as a sliced .gcode.3mf or plain .gcode, headless with OrcaSlicer's command line or by opening the model in OrcaSlicer. Never contacts a printer.

How do I install gcode?

Run npx skills add https://github.com/earthtojake/text-to-cad --skill gcode in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/gcode/ (personal) or .claude/skills/gcode/ (project).

Which AI agents can use gcode?

Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.

Is gcode safe to install?

Security partners have reviewed it: Gen Agent Trust Hub passed; Socket passed; Snyk passed. As with any skill, read the SKILL.md and bundled scripts before installing.

Who maintains gcode?

It is published by earthtojake in earthtojake/text-to-cad. It has 9,609 recorded installs.

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