Better Harness plugin for Grok Build
An open-source Harness Engineering platform for coding agents—define harnesses as code, run controlled experiments, inspect evidence, and compare outcomes. Turn task evidence into actionable team and organization insights.
How to install Better Harness in Grok Build
grok plugin install QoderAI/better-harness --trustReview before you trust it. --trust lets this plugin's hooks, MCP servers and scripts run code on your computer. It's a community repo that neither xAI nor GrokStacks has reviewed, so read its code first.
We install this repo directly: Grok Build 1.0.62 can't install it through its own marketplace file. Then start a new Grok session, or press r in /plugins, to load it.
Command format: Grok Build's plugin guide
What we checked: on Oct 18, 2026 it installed with grok 1.0.62 and Grok found 2 skills, 1 slash command. That's an install check only: we haven't run it in a live Grok session.
What it contains
Skills (2)
better-harness— Use when /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, or manual direct fixes. Invoke ointent-correlation-analysis— Analyze a bounded IntentCorrelationPacketV1 and propose reviewable links among user inputs, execution slices, change units, commits, artifacts, and validation outcomes. Use when reconstructing why an observed coding-agent change exists or w
About this listing
Better Harness is a community plugin on GitHub by QoderAI, written as a Claude Code plugin that Grok Build installs. We install-checked it in Grok; we haven't run it in a live session or reviewed its code. When we installed it, Grok found 2 skills. Its license is MIT. We checked commit 840ff549dfcb. It's one of 144 listings in the Design category on GrokStacks.
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Better Harness FAQ
How do I install Better Harness in Grok Build?
Run grok plugin install QoderAI/better-harness --trust. We install-checked this command in Grok Build. We install this repo directly: Grok Build 1.0.62 can't install it through its own marketplace file. Then start a new Grok session, or press r in /plugins, to load it.
Is Better Harness an official Grok Build plugin?
No. Better Harness is a community plugin on GitHub by QoderAI, not in xAI's official Grok Build marketplace. We checked that it installs and what Grok loads from it, but haven't run it in a live Grok session or reviewed its code.
What does Better Harness include?
According to what Grok loaded in our install check, Better Harness includes 2 skills: better-harness, intent-correlation-analysis.
Details
- Type
- Plugin
- Category
- Design
- Source
- Community Claude Code plugin, installs in Grok
- License
- MIT
- Author
- QoderAI
- Version
- 0.7.0-alpha2
- Keywords
- agent-plugin, claude-code, codex, cursor, harness-design, harness-engineering, loop-engineering, qoder, skill
- Source repo
- https://github.com/QoderAI/better-harness
- Checked commit
840ff549dfcb- Homepage
- https://qoderai.github.io/better-harness/
- Checked by GrokStacks
- Install-checked in Grok Build on Oct 18, 2026; not run in a live session
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For maintainers: badge and embeds
Maintain Better Harness? Add the badge; it links to this page.
Markdown
[](https://grokstacks.com/p/better-harness/)HTML
<a href="https://grokstacks.com/p/better-harness/"><img src="https://grokstacks.com/badge.svg" alt="Listed on GrokStacks" width="164" height="28"></a>Embed card (static HTML and inline CSS, no JavaScript). Preview:
<a href="https://grokstacks.com/p/better-harness/" style="display:block;max-width:380px;box-sizing:border-box;padding:14px 16px;border:1px solid #2a2e3c;border-radius:12px;background:#0a0b0f;color:#e8eaf0;font:14px/1.45 -apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;text-decoration:none"><span style="display:block;font-size:16px;font-weight:700;color:#e8eaf0">Better Harness</span><span style="display:block;margin:2px 0 8px;font-size:12px;color:#9aa0b1">Community plugin for Grok Build · 2 skills</span><span style="display:block;margin:0 0 10px;color:#c9cdd8">An open-source Harness Engineering platform for coding agents—define harnesses as code, run controlled experiments…</span><span style="font-size:12px;font-weight:600;color:#7c9cff">View on GrokStacks →</span></a>Markdown summary
**[Better Harness on GrokStacks](https://grokstacks.com/p/better-harness/)**: Community plugin for Grok Build with 2 skills. Install: `grok plugin install QoderAI/better-harness --trust`More on badges, embeds and keeping your listing up to date: GrokStacks for plugin authors.
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