Xros plugin for Grok Build
XROS — an eXecutable Research Operating System: compile a long-horizon investigation into a verifiable methodology spec, then run it against a real check gated on its exit code. No verification, no claim.
How to install Xros in Grok Build
grok plugin install xiaolai/xros --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 4 skills, 4 slash commands. That's an install check only: we haven't run it in a live Grok session.
What it contains
Skills (4)
xros-compile— Compile an XROS methodology spec through an oracle-first interview. Classifies the problem into verification tier A/B/C before anything else, then fills and validates a schema-valid JSON spec.xros-reason— The Tier-C path — structured, adversarial reasoning for a claim that has NO mechanical check. Decomposes the claim into premises and verifies the checkable ones, runs a pre-mortem, and emits dated tripwires. Never runs the CDC engine, neverxros-run— Execute an XROS methodology spec — run a CDC-style search (diverse independent routes, blocked-route state, adversarial refutation, counterexample-fed loop-until-dry), then authoritatively verify the winning candidate by running its oraclexros-sharpen— Orient a newcomer in an unfamiliar field, sharpen a vague question into a falsifiable claim, then discover the currently best-available way to check it. For when the user can't yet say "how would I know if this were wrong?". First maps the
About this listing
Xros is a community plugin on GitHub by xiaolai, 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 4 skills. Its license is MIT. We checked commit 45245c2e9b54. It's one of 52 listings in the Research category on GrokStacks.
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Xros FAQ
How do I install Xros in Grok Build?
Run grok plugin install xiaolai/xros --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 Xros an official Grok Build plugin?
No. Xros is a community plugin on GitHub by xiaolai, 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 Xros include?
According to what Grok loaded in our install check, Xros includes 4 skills: xros-compile, xros-reason, xros-run, xros-sharpen.
Details
- Type
- Plugin
- Category
- Research
- Source
- Community plugin, built for Grok Build
- License
- MIT
- Author
- xiaolai
- Version
- 0.3.4
- Source repo
- https://github.com/xiaolai/xros
- Checked commit
45245c2e9b54- Checked by GrokStacks
- Install-checked in Grok Build on Oct 18, 2026; not run in a live session
Something wrong or missing? Submit or improve this listing. Marketplace listings also refresh automatically every night.
For maintainers: badge and embeds
Maintain Xros? Add the badge; it links to this page.
Markdown
[](https://grokstacks.com/p/xros/)HTML
<a href="https://grokstacks.com/p/xros/"><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/xros/" 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">Xros</span><span style="display:block;margin:2px 0 8px;font-size:12px;color:#9aa0b1">Community plugin for Grok Build · 4 skills</span><span style="display:block;margin:0 0 10px;color:#c9cdd8">XROS — an eXecutable Research Operating System: compile a long-horizon investigation into a verifiable methodology…</span><span style="font-size:12px;font-weight:600;color:#7c9cff">View on GrokStacks →</span></a>Markdown summary
**[Xros on GrokStacks](https://grokstacks.com/p/xros/)**: Community plugin for Grok Build with 4 skills. Install: `grok plugin install xiaolai/xros --trust`More on badges, embeds and keeping your listing up to date: GrokStacks for plugin authors.
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