Contrarian plugin for Grok Build
Devil's advocate for coding agents. Stress-tests plans, architecture and decisions with a steel-man, an assumption audit and a pre-mortem, then gives severity-rated findings and a verdict. Works in Claude Code, Codex, Cursor, Gemini CLI, Copilot and 12 more.
How to install Contrarian in Grok Build
1. Add this repo as a plugin marketplace in Grok Build (once per computer):
grok plugin marketplace add aaddrick/contrarian2. Install the plugin:
grok plugin install contrarian@aaddrick/contrarian --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.
Then start a new Grok session, or press r in /plugins, to load it.
Inside Grok Build: type /plugins, open the Marketplace tab, press a and add aaddrick/contrarian, then select contrarian and press i.
Command format: Grok Build's plugin guide
What we checked: on Oct 18, 2026 it installed with grok 1.0.62 and Grok found 1 skill. That's an install check only: we haven't run it in a live Grok session.
What it contains
Skills (1)
contrarian— Use when stress-testing a proposal, plan, architecture or decision before committing to it, such as pre-mortems, assumption audits, "should we even do this?" questions, or when everyone agrees too easily. Not for code review; it challenges
About this listing
Contrarian is a community plugin on GitHub by aaddrick, built for Grok Build. 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 1 skill. Its license is Unlicense. We checked commit 6dc3b8c6ff74. It's one of 79 listings in the Security category on GrokStacks.
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Contrarian FAQ
How do I install Contrarian in Grok Build?
Add the repo as a marketplace with grok plugin marketplace add aaddrick/contrarian, then run grok plugin install contrarian@aaddrick/contrarian --trust. Then start a new Grok session, or press r in /plugins, to load it.
Is Contrarian an official Grok Build plugin?
No. Contrarian is a community plugin on GitHub by aaddrick, 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 Contrarian include?
According to what Grok loaded in our install check, Contrarian includes 1 skill: contrarian.
Details
- Type
- Plugin
- Category
- Security
- Source
- Community plugin, built for Grok Build
- License
- Unlicense
- Author
- aaddrick
- Version
- 1.1.0
- Keywords
- agent-skill, agent-skills, ai-agents, architecture-review, claude-code, claude-code-plugin, claude-code-plugins, claude-code-skill, claude-code-skills, claude-code-subagents, claude-skills, codex-plugin
- Source repo
- https://github.com/aaddrick/contrarian
- Checked commit
6dc3b8c6ff74- Homepage
- https://github.com/aaddrick/contrarian#readme
- 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 Contrarian? Add the badge; it links to this page.
Markdown
[](https://grokstacks.com/p/contrarian/)HTML
<a href="https://grokstacks.com/p/contrarian/"><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/contrarian/" 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">Contrarian</span><span style="display:block;margin:2px 0 8px;font-size:12px;color:#9aa0b1">Community plugin for Grok Build · 1 skill</span><span style="display:block;margin:0 0 10px;color:#c9cdd8">Devil's advocate for coding agents. Stress-tests plans, architecture and decisions with a steel-man, an assumption…</span><span style="font-size:12px;font-weight:600;color:#7c9cff">View on GrokStacks →</span></a>Markdown summary
**[Contrarian on GrokStacks](https://grokstacks.com/p/contrarian/)**: Community plugin for Grok Build with 1 skill. Install: `grok plugin install contrarian@aaddrick/contrarian --trust` (after `grok plugin marketplace add aaddrick/contrarian`)More on badges, embeds and keeping your listing up to date: GrokStacks for plugin authors.
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