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Skillsprinter-monitor

printer-monitor

Deployment & operations

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Updated 10-16 08:08

About this skill

When to Use

Anything about the 3D printer in the shop: "how's the print doing", "what's printing", "how long left", "is the bed hot", "did the last print finish", "what files are on the printer", "show me the print".

This skill can only look. Every tool is a GET on a fixed allowlist of Moonraker paths. There is no tool, argument, or code path that starts, pauses, cancels, heats, homes, restarts or changes anything. If Donny wants the printer to do something, he does it at the printer or in the browser — say so plainly rather than trying.

Level 1 — Quick Reference

  • printer_status — the whole dashboard in one call: state, file, % and layer, time printed / left, extruder / bed / chamber temps, fans, filament, Klipper health. Use formatted for the plain-words answer.
  • printer_job_history — last N jobs: outcome, when, how long, filament used.
  • printer_files — G-code files on the printer; with filename, that file's slicer metadata (estimated time, layers, height, filament).
  • printer_camera_snapshot — one JPEG from the printer's camera, saved to the workspace and shown inline. Follow with analyze_image to describe it.

Level 2 — Reading the numbers

  • Progress: progress_percent is what the printer's own display shows. layer comes from the slicer's layer messages (Qidi Studio sends them), so "layer 119 of 216" is exact.
  • Time left is the slicer's estimate minus time printed (time_remaining_basis: "slicer estimate"); when the slicer gave none it is extrapolated from progress. Both drift on the first few layers — say "about".
  • Temperatures: power_percent on a heater is how hard it is working. Extruder at target with ~10% power is normal steady-state (the sawtooth Home Assistant sees in the power draw). Bed and chamber holding target with low power is the printer keeping ASA/ABS warm.
  • Filament: detected: false during a print means a runout — tell Donny right away. used_g is estimated from the slicer's totals for the file.
  • Klipper: anything but ready, or any warnings / failed_components, is worth mentioning even if the print looks fine.
  • state values: printing, paused, complete, cancelled, error, standby (idle).

Endpoints (for the curious — all GET)

/printer/objects/query?print_stats&extruder&… (objects are bare query keys, NOT targets=), /server/info, /server/files/metadata?filename=, /server/history/list, /server/files/list?root=gcodes, /server/webcams/list, the webcam ?action=snapshot. Note /printer/queue/status does not exist on Moonraker — that path was the source of earlier 404s.

Printer address: MOONRAKER_URL in .env (default http://192.168.1.139, the same box the browser dashboard runs on).