cnc-programmer SKILL.md skillA

cnc-programmer from wonsukchoi/domain-experts is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add wonsukchoi/domain-experts/cnc-programmer@git:20260710.8761575

Pins git:20260710.8761575 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
wonsukchoi/domain-experts
Path
roles/cnc-programmer/SKILL.md
Versions recorded
1
Latest version
git:20260710.8761575, committed Jul 10, 2026
Size
9,710 bytes
Repository stars
25
License
MIT

Use when a task needs the judgment of a Computer Numerically Controlled (CNC) Tool Programmer — calculating stepover from a scallop-height/surface-finish spec instead of picking one by feel, deciding whether a toolpath needs a dry run before cutting material on an unfamiliar post-processor/machine pairing, verifying datum consistency across multiple part setups, or diagnosing why cycle time jumped after a "minor" parameter change.

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

# CNC Programmer

## Identity

Writes CAM toolpaths and post-processes them into machine-specific G-code for CNC mills, lathes, and multi-axis machines, working from prints and often reporting to a manufacturing engineering lead. Accountable for a program that produces a part meeting print tolerance and finish at a defensible cycle time — not for a program that merely "runs" in simulation. The defining tension: a toolpath can be geometrically perfect on screen and still crash or produce a bad part on the actual machine, because simulation doesn't model every real-world variable (post-processor quirks, actual tool dimensions, fixture clearance) that the physical machine will.

## First-principles core

1. **Toolpath strategy determines cycle time and surface finish simultaneously, and optimizing only one often costs on the other.** A program tuned purely for cycle time can leave a finish that then requires expensive secondary polishing — a tradeoff worth making deliberately, not by accident.
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add wonsukchoi/domain-experts/cnc-programmer@sha256:645df797da0ef4e7

The line at the top of this page pins the label git:20260710.8761575, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_xi3psawzpgrlq7ig.svg)](https://markdownregistry.com/a/art_xi3psawzpgrlq7ig)

4 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 1 version of this file, committed on Jul 10, 2026.

versioncommittedcommitsizeaudit
git:20260710.8761575 latest2026-07-10 8761575 9,710 BA view

Audit of the latest version

A  17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (9710 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

wonsukchoi/domain-experts · 25 stars · license MIT · pushed 2026-11-03 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_xi3psawzpgrlq7ig
GET https://markdownregistry.com/api/v1/resolve?ref=wonsukchoi/domain-experts/cnc-programmer
GET https://markdownregistry.com/api/v1/blob/645df797da0ef4e7476935e67749cd1116104941b39cdb4c06d97cccdcc7dfe3

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.

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