GC

    G-code Safety Check for CNC, Laser & 3D Printers

    1

    Check G-code against machine limits, feed rates and unsafe rapid moves before you run it, with the line number of each issue.

    $15

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    GC

    G-code Safety Check for CNC, Laser & 3D Printers

    Example session with this skill installed

    Here is the G-code my CAM software just produced for a 300x200 mm CNC router. Can you check it is safe to run before I start the machine?

    • Read your context and instructions
    • Compiled the g-code safety check

    Summary

    Checked 4 182 lines of G-code against your machine profile (300 x 200 x 80 mm, max feed 3 000 mm/min). Three issues found, two of them would have crashed the machine.

    LineIssueDetail
    212Travel outside limitsX moves to 318.4 mm, beyond the 300 mm X limit
    544Laser/spindle on during rapidM3 still active on a G0 move
    1907Feed above machine maximumF4800 exceeds the 3 000 mm/min maximum

    What to do

    1. Re-post the toolpath with the correct stock origin, or shift the job by -18.4 mm in X.
    2. Add M5 before the G0 at line 544.
    3. Clamp the feed in the post-processor, not by hand, so it cannot come back.

    Re-run the check after the fix: the file must come back with zero issues before it goes to the machine.

    Connects securely to your tools. The creator never sees your data.

    About this skill

    Catch the crash before the machine does.

    Check G-code before sending it to a CNC router, laser cutter or 3D printer - travel outside the machine limits, feed rates above the machine maximum, spindle/laser left on during rapid moves, missing units or absolute mode, Z plunges below the stock - and explain each issue with its line number. Use when the user generates or edits G-code (CAM output, AI-written toolpaths, slicer output) or asks whether a G-code file is safe to run.

    Includes an EXPERT.md reference (exact parameters, thresholds, failure diagnosis). Tested scripts: scripts/gcode_check.py.

    Acceptable use: civil and commercial applications only. Any military, paramilitary or weapon-related use is prohibited, as stated in the skill itself.

    How to use

    Skills on Agensi run inside your AI agent. Copy the prompt, paste it into your agent, and it connects to Agensi and installs this skill for you. If a payment is needed, your agent shows it to you first.

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