🛠️
AI EngineeringJavaScript

Harness Skill Creator

by QoderAI

Harness Skill Creator is an AI Engineering skill for Claude Code, published by QoderAI in better-harness.

1.9K stars158 forkson QoderAI/better-harnessAdded 2026/08/18+4% in starsRepository updated 2026/08/17
View source on GitHubDownload repo ZIP
agent-pluginclaude-codecodexcursorharness-designharness-engineeringloop-engineeringqoderskill
Install in seconds
Install Harness Skill Creator
Copy Harness Skill Creator into your Claude Code skills folder. Run the command in your terminal, or review the source on GitHub before installing.
terminal
npx degit https://github.com/QoderAI/better-harness/tree/main/.agents/skills/harness-skill-creator ~/.claude/skills/harness-skill-creator

Requires Node.js. Downloads this skill only — not the rest of the repository — into your Claude Code skills folder.

Without Node.js

git clone https://github.com/QoderAI/better-harness.git

Clones the whole repository, then copy the skill’s own directory into your skills folder yourself.

In this catalog

Source file
.agents/skills/harness-skill-creator/SKILL.md in QoderAI/better-harness
Installs to
~/.claude/skills/harness-skill-creator
Collection
One of 9 skills cataloged from this repository
Category
AI Engineering — 2451 skills

What Harness Skill Creator does

Harness Skill Creator bootstraps the smallest harness-oriented skill from an existing repository, workflow, or evaluation chain with evidence-backed references and validation gates.

Harness Skill Creator is cataloged under AI Engineering on DirSkills. Harness Skill Creator comes from a repository tagged agent-plugin, claude-code, codex, cursor and harness-design.

Frequently asked about Harness Skill Creator

  • What else does QoderAI publish alongside Harness Skill Creator?

    Harness Skill Creator is one of 9 skills that DirSkills catalogs from QoderAI/better-harness, the repository it ships in. Its siblings there include Better Harness, Change Traceability Review and Diagnose Backend Bug. Each one is a separate skill with its own page in this directory, installs the same way Harness Skill Creator does, and is maintained by QoderAI in that same repository. The rest of the collection is listed on the QoderAI/better-harness page.

  • How does Harness Skill Creator compare to other AI Engineering skills?

    Harness Skill Creator ranks #903 by stars among the 2451 AI Engineering skills in this catalog. The most-starred ones next to it are Architecture Decision Records, AI-First Engineering and Agentic OS. DirSkills ranks by the star count of the repository each skill ships in, so that order reflects how popular those repositories are rather than any review of Harness Skill Creator against them. Open each page to compare what they document and how they install.

More from QoderAI/better-harness

Harness Skill Creator is one of 9 skills cataloged on DirSkills from QoderAI/better-harness.

See all 9 skills →
⚙️
2w ago

Better Harness

Better Harness reviews the outer coding-agent harness for lifecycle controls, repeated work, project feedback, agent assets, session outcomes, repair planning, durable reports, finding-bound fixes, and manual direct fixes. Invoke only via slash command to keep sessions, project, and agent assets independent.
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Change Traceability Review

Change Traceability Review audits how a code change traces from story/issue to spec, plan/tasks, commits/PRs, diff, tests, and risk, and reports traceability gaps. Use it for spec preparation, pre-merge review readiness, or retrospective analysis of recent commits.
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2w ago

Diagnose Backend Bug

Diagnose Backend Bug diagnoses bounded backend or multi-service failures by correlating evidence from issue trackers, logs, traces, and job records before repair, using the project's observability route.
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Handoff

Handoff prepares a bounded handoff document, recording evidence without copying private content, for use between AI agent sessions.
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Reproduce Frontend Bug

Reproduce Frontend Bug builds a bounded, replayable browser or UI bug reproduction from GitHub Issues, Jira, Aone, or user-provided exports. Use it for browser, WebView, IDE or desktop UI defects that need evidence-preserving reproduction before diagnosis or repair.
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🔍
2w ago

Skill Review

Skill Review audits Codex, Qoder, or repo-local skills and their prompt chains for trigger quality, workflow clarity, progressive disclosure, duplicated instructions, template ownership, output readability, and validation gaps, then recommends the smallest safe edits.
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Harness Skill Creator is one of 2451 AI Engineering skills cataloged on DirSkills, ranked #903 by stars among them.

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Architecture Decision Records

Architecture Decision Records captures architectural decisions made during Claude Code sessions as structured ADRs, recording context, alternatives, and rationale. Use it when significant technical choices are made so future developers understand why the codebase is shaped the way it is.
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🤖
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AI-First Engineering

AI-First Engineering defines process, review, and architecture standards for teams where AI agents produce most implementation output. Use it to set ownership rules, quality gates, and evaluation criteria for agent-generated code.
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🤖
3w ago

Agentic OS

Agentic OS codifies a persistent multi-agent operating system architecture for Claude Code. Use it when building a multi-agent workflow with file-based memory, slash commands, and scheduled automation that survives session restarts.
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