SkillFoxx

Harness skill

A meta-skill for Claude Code that turns a domain description into an agent team and the skills it uses, using six team-architecture patterns

  • 9,356 ★ on the repository
  • Last commit
  • Apache-2.0
Skill

Minimal access

Why this level

  • It generates agent definitions, skills and a CLAUDE.md pointer, that is configuration and instructions, rather than performing external actions
All reasons and checks

revfactory/harnessAuthor:revfactory

Install

Manual install

/plugin marketplace add revfactory/harness
/plugin install harness@harness-marketplace

For agent teams mode enable CLAUDE_CODE_EXPERIMENTAL_AGENT_TEAMS=1.

Access and checks

How we review

Minimal accessThe tool runs nothing and makes no network calls.

  • It generates agent definitions, skills and a CLAUDE.md pointer, that is configuration and instructions, rather than performing external actions

This is third-party code. Review the repository files before installing.

What it does

Harness runs on the Claude Code agent teams system and, from a single sentence about your domain, designs a team of specialized agents plus the skills they need. It moves through six phases: domain analysis, team-architecture choice, agent definitions in .claude/agents/, skill generation in .claude/skills/, orchestration wiring, and validation. It picks the architecture from six patterns: pipeline, fan-out and fan-in, expert pool, producer and reviewer, supervisor, and hierarchical delegation. A pointer to the setup is written into CLAUDE.md so the team boots on its own in a new session, and after each run the team can be rebuilt or extended. Two run modes are available: agent teams by default and plain subagents for one-off tasks.

Who it is for. For developers and product managers who want a project-specific agent team instead of wiring each agent by hand.

Good fit when

  • The task splits into several roles and you need a coordinated agent team
  • You need to quickly generate agent definitions and skills for a new domain
  • You already have a harness and want to extend, rebuild or check it for drift

Not a fit when

  • The task is one-off and a single agent handles it without role splitting
  • You are not on Claude Code: the official runtime is Claude Code only for now

Example request

Build a harness for this project: a full-stack web team with design, frontend, backend and QA

Limitations

The official runtime is Claude Code only. The default agent teams mode needs the experimental agent teams flag enabled (CLAUDE_CODE_EXPERIMENTAL_AGENT_TEAMS=1). Harness produces agent definitions and skills but does not do their work for them, and the result depends on how precisely you describe the domain.

How to disable. Remove the harness plugin via /plugin or delete the harness folder from the skills directory. The generated files in the project's .claude/agents/ and .claude/skills/ are removed manually.

FAQ

How do agent teams differ from subagents?

Agent teams keep several agents that exchange messages and coordinate; this is the default for tasks with two or more roles. Subagents are a direct call to a single agent for a one-off task with no data passing between them.

Does Harness work outside Claude Code?

The official runtime is Claude Code only. The author notes a separate port of the same idea exists for Codex, but that is a different project.

Discussion

No questions or reviews yet.

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Comparison with similar tools

Cards that share the main search query, and how they differ.

ToolOfficialRepository starsMain difference
Harness (this card)no9,356
Better Harnessno2,455the /better-harness command reviews how an AI agent's work is set up
MetaHarnessno744turns a GitHub repo into a package with its own AI agent

README in short

The README presents Harness as a team-architecture factory for Claude Code: from a domain description it decomposes a complex task into an agent team and generates their skills. It lists six architecture patterns, a six-phase process from domain analysis to validation, and two run modes. Installation is via the plugin marketplace or by copying the skills/harness folder into the skills directory, and the teams mode needs an experimental flag. It bundles references on agent design, orchestrator templates, team examples and skill-testing methodology. Apache 2.0 licensed.

README badge

Original SKILL.md

---
name: harness
description: "하네스를 구성합니다. 전문 에이전트를 정의하며, 해당 에이전트가 사용할 스킬을 생성하는 메타 스킬. (1) '하네스 구성해줘', '하네스 구축해줘' 요청 시, (2) '하네스 설계', '하네스 엔지니어링' 요청 시, (3) 새로운 도메인/프로젝트에 대한 하네스 기반 자동화 체계를 구축할 때, (4) 하네스 구성을 재구성하거나 확장할 때, (5) '하네스 점검', '하네스 감사', '하네스 현황', '에이전트/스킬 동기화' 등 기존 하네스 운영/유지보수 요청 시 사용."
---

# Harness — Agent Team & Skill Architect

도메인/프로젝트에 맞는 하네스를 구성하고, 각 에이전트의 역할을 정의하며, 에이전트가 사용할 스킬을 생성하는 메타 스킬.

**핵심 원칙:**
1. 에이전트 정의(`.claude/agents/`)와 스킬(`.claude/skills/`)을 생성한다.
2. **에이전트 팀을 기본 실행 모드로 사용한다.**
3. **CLAUDE.md에 하네스 포인터를 등록한다.**
4. **하네스는 고정물이 아니라 진화하는 시스템이다.**

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