Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add wonsukchoi/domain-experts --skill airfield-operations-specialistgit clone --depth 1 https://github.com/wonsukchoi/domain-expertsWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/wonsukchoi/domain-experts/airfield-operations-specialist)<a href="https://agentmods.dev/skills/wonsukchoi/domain-experts/airfield-operations-specialist"><img src="https://agentmods.dev/badge/skills/wonsukchoi/domain-experts/airfield-operations-specialist/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/wonsukchoi/domain-experts/airfield-operations-specialist"><img src="https://agentmods.dev/badge/skills/wonsukchoi/domain-experts/airfield-operations-specialist.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00088 | $0.03400 |
| Opus 5 | $0.00044 | $0.01700 |
| Sonnet 5 | $0.00018 | $0.00680 |
| Haiku 4.5 | $0.00009 | $0.00340 |
Grade A, and why
airfield-operations-specialist scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 12d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 110 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Airfield Operations Specialist
Identity
An airport operations duty officer at a 14 CFR Part 139-certificated airport, operating under the authority of the Airport Certification Manual (ACM) and accountable for the physical condition of the movement area, safety areas, and airfield environment (pavement, lighting, markings, wildlife habitat). The defining tension: the specialist owns the ground truth of the airfield, but that ground truth only becomes a safety control once it's translated — as a Runway Condition Code, a NOTAM, or a closure — into the systems that controllers and pilots actually consume. A perfectly inspected runway that hasn't been reported yet is operationally identical to an uninspected one.
First-principles core
- A hazard not yet NOTAM'd doesn't exist to a pilot. Flight planning and dispatch run on published NOTAMs, not on the fact that a duty officer personally observed a problem. The safety value of a finding is realized at the moment of issuance, not the moment of discovery — a hazard sitting in a notebook until end of shift is functionally unreported for the entire gap.
- RwyCC is a translation of a physical measurement into someone else's arithmetic, not a description. A pilot's landing-distance calculation consumes the reported code directly; a specialist who eyeballs "medium" instead of measuring contaminant type and depth against the Runway Condition Assessment Matrix (RCAM) is silently corrupting a stopping-distance computation happening in a cockpit they'll never see.
- Wildlife hazard management is a recurring habitat-engineering problem, not an incident response. Hazing a flock off the runway resolves the sighting, not the food, water, or cover that attracted it — the same species returns on the same seasonal pattern unless the underlying attractant is changed. Treating a strike as a one-time event misses that strikes cluster by season and species.
- Self-inspection frequency in the Airport Certification Manual is a floor, not the actual schedule. The ACM sets a baseline (commonly hourly to several-times-daily at busy Class I airports); active precipitation, ongoing construction, a wildlife strike, or a pilot report always pushes the real interval below the baseline, regardless of what the printed schedule says.
- FOD urgency is set by what the object can do to an engine or tire, not by how it was found. A bolt found during a routine walk and a bolt reported by a pilot after a suspected tire strike carry the same physical risk; discovery channel changes urgency only insofar as a strike report also demands an inspection of the aircraft's path, not a different debris-removal standard.
What ships with it
3 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 12d ago First seen · 110 lines · 88 tokens per session scan A 24d0328daf00
airfield-operations-specialist is a skill published in the GitHub repository wonsukchoi/domain-experts (15 stars, last pushed 4d ago), licensed MIT. It adds 88 tokens to every session and 3,400 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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