moai-harness

moai-harness is a skill for Claude Code from modu-ai/moai-cowork. It costs 39 tokens per session (270 once invoked), scanned A, a copy of moai-harness, Apache-2.0.

A tool for managing a harness learning subsystem, including checking its status, applying changes, rolling them back, or disabling it. It can also create a harness from a natural-language analysis after approval.

In plain words
What is it for?
Use it to inspect, change, undo, or disable harness settings, or to create a harness from a description.
Why use it?
It provides explicit actions for controlling this learning system and for reversing changes when needed.

Skill for Claude Code

Written for Claude Code: $ARGUMENTS substitution. Also seen: installed under .agents/ (shared by several agents).

Good fit Use it to inspect, change, undo, or disable harness settings, or to create a harness from a description.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/modu-ai/moai-cowork/moai-harness
Install

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.

Any agent
npx skills add modu-ai/moai-cowork --skill moai-harness
Clone the repo
git clone --depth 1 https://github.com/modu-ai/moai-cowork

Made for: Claude Code.

Wrote 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.

agentmods badge for moai-harness

README.md
[![agentmods](https://agentmods.dev/badge/skills/modu-ai/moai-cowork/moai-harness/github.svg)](https://agentmods.dev/skills/modu-ai/moai-cowork/moai-harness)
Your own site
<a href="https://agentmods.dev/skills/modu-ai/moai-cowork/moai-harness"><img src="https://agentmods.dev/badge/skills/modu-ai/moai-cowork/moai-harness/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.

agentmods 80×15 button for moai-harness

Your own site · 80×15
<a href="https://agentmods.dev/skills/modu-ai/moai-cowork/moai-harness"><img src="https://agentmods.dev/badge/skills/modu-ai/moai-cowork/moai-harness.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 39 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 270 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin 100% copy Near-identical to another mod in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00039 $0.00270
Opus 5.5 $0.00016 $0.00108
Sonnet 5.5 $0.00008 $0.00054
Haiku 4.5 $0.00004 $0.00027

Measured 10d ago against content hash 91de72561fe7, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

moai-harness 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 10d 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.

Origin

This is a copy

100% identical to moai-harness — 9 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

.agents/skills/moai-harness/SKILL.md · 13 lines

What it actually says

이 스킬은 별도 MoAI-ADK의 개발 워크플로우 진입점이다. MoAI-Cowork 실무 플러그인에 포함되는 스킬이 아니다.

  1. 현재 세션에 moai 스킬이 실제 노출되면 해당 정본을 읽고 다음 인수를 전달한다: harness $ARGUMENTS.
  2. moai 스킬이 없으면 moai --help로 설치·명령 표면만 확인한다. 이름이 비슷한 Cowork 스킬을 대신 실행하지 않는다.
  3. 실제 제공되는 CLI 동작과 필요한 입력·권한·검증 절차를 확인할 수 있는 범위에서만 진행한다. 확인할 수 없으면 외부 MoAI-ADK 의존성이 없다는 blocker와 필요한 설치 또는 진입 경로를 보고한다.
  4. 스킬을 읽지 못했거나 업무를 실행하지 않은 상태를 완료로 보고하지 않는다.
Changes

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.

  1. 10d ago Changed · +5 lines 91de72561fe7
  2. 21d ago First seen · 8 lines · 39 tokens per session scan A fde48585eec6

Subscribe to this mod's changes

moai-harness is a skill published in the GitHub repository modu-ai/moai-cowork (308 stars, last pushed 8d ago), licensed Apache-2.0. It adds 39 tokens to every session and 270 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 0 findings. It is 100% identical to moai-harness, differing in 9 lines, and is treated as a copy.

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