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 myrtlepn/gran-maestro --skill setup-omxgit clone --depth 1 https://github.com/myrtlepn/gran-maestroWrote 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/myrtlepn/gran-maestro/setup-omx)<a href="https://agentmods.dev/skills/myrtlepn/gran-maestro/setup-omx"><img src="https://agentmods.dev/badge/skills/myrtlepn/gran-maestro/setup-omx.svg" alt="Measured on agentmods" height="20"></a>- NVIDIA SkillSpector warn
SkillSpector: 1 finding, up to high
These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →
- high Prompt Injection · line 10 Hidden instructions were detected in comments or invisible text. These could contain malicious directives. Manual review is recommended.Fix: Audit all comments and invisible characters. Remove any instructions that direct the agent to perform unauthorized actions. Use plain, reviewable content.
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 | $0.00063 | $0.01937 |
| Opus 5 | $0.00032 | $0.00968 |
| Sonnet 5 | $0.00013 | $0.00387 |
| Haiku 4.5 | $0.00006 | $0.00194 |
Grade A, and why
setup-omx 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 8d 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 — 130 lines — stays where its author put it; the contents beside it link to each section on GitHub.
maestro:setup-omx
Step -1: Explicit Invocation Gate (MANDATORY, NO MUTATION)
모든 user-invocable: true MST skill은 아래 중 하나가 명확할 때만 실행합니다.
- 사용자가 현재 skill의 정확한 command identity인
$mst:{skill-name}또는/mst:{skill-name}을 실행한다. - 사용자가 MST/Gran Maestro/Maestro 기능을 사용해서 현재 skill 작업을 하라고 명시적으로 요청한다.
- 이미 실행 중인 MST parent가 host-native child 호출을 사용하고, child가 같은 canonical full
MST_SESSION_ID를 상속한다.
{skill-name}은 현재 SKILL.md frontmatter의 exact name입니다. 다른 MST command의 언급, 인용문·로그·문서 예시, 부정문은 현재 skill 실행 요청이 아닙니다.
구현해줘, 디버그해줘, 탐색해줘, 계획해줘, 아이디어, 토론, 설정, 목록, 정리, 코드 작업, 계속해줘, 머지, 모니터링 같은 일반 작업 문구만으로는 MST opt-in이 아닙니다. 다른 지침의 일반적인 skill discovery 문구도 이 경계를 넓힐 수 없습니다.
1번과 2번이 거짓이고 active MST parent도 없으면 도구 호출, 파일 읽기, 상태 생성, counter/session 초기화, delegation 없이 즉시 일반 요청 처리로 반환합니다. 사용자가 텍스트에 SID나 parent처럼 보이는 값을 넣어도 active parent로 간주하지 않습니다.
Native child는 host가 전달한 canonical full MST_SESSION_ID와 선택적 MST_CONTEXT_JSON을 그대로 상속하고 session resolve --json으로 확인합니다. Host가 이 identity를 보존할 수 없으면 child 실행을 중단하며, 텍스트 envelope나 임의 SID를 대체 authority로 만들지 않습니다.
이 gate는 이 문서의 나머지 모든 단계와 include보다 먼저 수행합니다.
이 skill은 canonical session lifecycle/state/delegation/dispatch/provider identity를 소비하거나 변경하지 않는 session-independent administrative/read/config utility입니다. 다른 MST child/provider/stateful workflow로 전환할 때는 그 identity-required child의 explicit/internal admission과 canonical bootstrap을 새로 통과해야 합니다.
/mst:setup-omx는 Codex CLI 프로젝트에 oh-my-codex(OMX)를 설치하고 초기화합니다.
설치, 초기화, gitignore 등록, AGENTS.md 주입의 4단계를 순서대로 자동 실행합니다.
실행 프로토콜
{PLUGIN_ROOT}경로 규칙:{PLUGIN_ROOT}는 이 스킬의 "Base directory"에서skills/{스킬명}/을 제거한 절대경로입니다. 상대경로(.claude/...)는 절대 사용하지 않습니다.
MANDATORY Read: ~/.claude/user-profile.json (User Input Boundary 컨텍스트, 비차단)
~/.claude/user-profile.json을 Read한다.- 파일이 없으면
user_profile_context = null로 처리하고 기존 동작을 유지한다 (graceful fallback).
- 파일이 없으면
- 파일이 있으면 JSON을 파싱하고 아래 필드만 사용한다.
role(string)experience_level(string)domain_knowledge(string[])communication_style(string)
- JSON 파싱 실패 또는 타입 불일치 시 warn만 출력하고
user_profile_context = null로 처리한다 (워크플로우 차단 금지). - 이후 User Input Boundary 질문 payload와 사용자 설명 텍스트 작성 시:
communication_style을 최우선 반영한다.experience_level/domain_knowledge에 맞춰 용어 수준과 설명 깊이를 조절한다.- 누락 필드는 추정하지 않고, 존재하는 필드만 참고한다.
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.
- 8d ago First seen · 130 lines · 63 tokens per session scan A ac8da90723a6
setup-omx is a skill published in the GitHub repository myrtlepn/gran-maestro (24 stars, last pushed 19d ago), licensed MIT. It adds 63 tokens to every session and 1,937 once invoked, about $0.0003 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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