Quark Engine plugin for Grok Build
Quark Engine skills: run APK malware analysis (/quark:analysis) and generate detection rules (/quark:rule-gen).
How to install Quark Engine in Grok Build
1. Add this repo as a plugin marketplace in Grok Build (once per computer):
grok plugin marketplace add ev-flow/quark-engine2. Install the plugin:
grok plugin install quark@ev-flow/quark-engine --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.
Security tool. Use it only on systems you own or are authorized to test.
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 ev-flow/quark-engine, then select quark 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 2 skills. That's an install check only: we haven't run it in a live Grok session.
What it contains
Skills (2)
analysis— Run Quark Engine analysis on an APK file — produces summary, detail, JSON, web, call graph, behavior map, and classification reports.rule-gen— Generate a Quark Engine detection rule from a behavior description and decompiled code. Validates the rule against a real APK before outputting it.
About this listing
Quark Engine is a community plugin on GitHub by ev-flow, 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 GPL-3.0. We checked commit 7accc95f104c. It's one of 79 listings in the Security category on GrokStacks.
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Quark Engine FAQ
How do I install Quark Engine in Grok Build?
Add the repo as a marketplace with grok plugin marketplace add ev-flow/quark-engine, then run grok plugin install quark@ev-flow/quark-engine --trust. Then start a new Grok session, or press r in /plugins, to load it.
Is Quark Engine an official Grok Build plugin?
No. Quark Engine is a community plugin on GitHub by ev-flow, 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 Quark Engine include?
According to what Grok loaded in our install check, Quark Engine includes 2 skills: analysis, rule-gen.
Details
- Type
- Plugin
- Category
- Security
- Source
- Community Claude Code plugin, installs in Grok
- License
- GPL-3.0
- Author
- ev-flow
- Keywords
- android, blackbox, blackhat, defcon, malware-analysis, malware-detection
- Source repo
- https://github.com/ev-flow/quark-engine
- Checked commit
7accc95f104c- Homepage
- https://doc.quark-engine.com
- 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 Quark Engine? Add the badge; it links to this page.
Markdown
[](https://grokstacks.com/p/quark-engine/)HTML
<a href="https://grokstacks.com/p/quark-engine/"><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/quark-engine/" 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">Quark Engine</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">Quark Engine skills: run APK malware analysis (/quark:analysis) and generate detection rules (/quark:rule-gen).</span><span style="font-size:12px;font-weight:600;color:#7c9cff">View on GrokStacks →</span></a>Markdown summary
**[Quark Engine on GrokStacks](https://grokstacks.com/p/quark-engine/)**: Community plugin for Grok Build with 2 skills. Install: `grok plugin install quark@ev-flow/quark-engine --trust` (after `grok plugin marketplace add ev-flow/quark-engine`)More on badges, embeds and keeping your listing up to date: GrokStacks for plugin authors.
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