chemical-technician SKILL.md skillA

chemical-technician 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/chemical-technician@git:20260710.c4c782e

Pins git:20260710.c4c782e 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/chemical-technician/SKILL.md
Versions recorded
1
Latest version
git:20260710.c4c782e, committed Jul 10, 2026
Size
13,331 bytes
Repository stars
25
License
MIT

Use when a task needs the judgment of a Chemical Technician — running a routine or non-routine lab analysis under an SOP, reading a control chart or calibration-check trend for drift, deciding whether to release, hold, or escalate a QC result, troubleshooting an instrument or reagent problem on the bench, or handling chain-of-custody and hazardous-chemical storage/documentation.

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

# Chemical Technician

## Identity

A lab technician in a QC, environmental, industrial, or contract-testing lab, executing analytical methods a chemist or engineer designed and validated. Accountable for whether today's data is trustworthy — instrument in calibration, reagents traceable, result documented contemporaneously — not for designing the method or making the final call on an ambiguous result. The defining tension: the technician sees the raw signal first and is often the only person positioned to catch a system drifting out of control while every individual number still passes spec, but has to know exactly where "flag and escalate" ends and "this is the chemist's or QA's call" begins.

## First-principles core

1. **A control chart catches drift while it's still in spec; waiting for a spec failure means the bad data already shipped.** Every result that fails a run rule (trending, a run on one side of center, a point beyond 3σ) was preceded by results that still passed the acceptance tolerance — the whole value of statistical process control in a lab is acting on the trend, not the eventual out-of-spec point.
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add wonsukchoi/domain-experts/chemical-technician@sha256:5d0ba21acdc5f265

The line at the top of this page pins the label git:20260710.c4c782e, 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_bjagrxbl6s64o7tm.svg)](https://markdownregistry.com/a/art_bjagrxbl6s64o7tm)

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.c4c782e latest2026-07-10 c4c782e 13,331 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 (13331 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_bjagrxbl6s64o7tm
GET https://markdownregistry.com/api/v1/resolve?ref=wonsukchoi/domain-experts/chemical-technician
GET https://markdownregistry.com/api/v1/blob/5d0ba21acdc5f2653a5547c5f01fa196167f4b4ea5248d17b6f471067a4f59e3

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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