Last30days Skill plugin for Grok Build
AI agent skill that researches any topic across Reddit, X, YouTube, HN, Polymarket, and the web - then synthesizes a grounded summary
How to install Last30days Skill in Grok Build
1. Add this repo as a plugin marketplace in Grok Build (once per computer):
grok plugin marketplace add mvanhorn/last30days-skill2. Install the plugin:
grok plugin install last30days@mvanhorn/last30days-skill --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 mvanhorn/last30days-skill, then select last30days 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)
last30days— Research what people actually say about any topic in the last 30 days. Pulls posts and engagement from Reddit, X, YouTube, TikTok, Hacker News, Polymarket, GitHub, and the web. Includes a doctor health check to diagnose broken or missing so
About this listing
Last30days Skill is a community plugin on GitHub by mvanhorn, 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 MIT. We checked commit 13a6cc5fd1f2. It's one of 52 listings in the Research category on GrokStacks.
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Last30days Skill FAQ
How do I install Last30days Skill in Grok Build?
Add the repo as a marketplace with grok plugin marketplace add mvanhorn/last30days-skill, then run grok plugin install last30days@mvanhorn/last30days-skill --trust. Then start a new Grok session, or press r in /plugins, to load it.
Is Last30days Skill an official Grok Build plugin?
No. Last30days Skill is a community plugin on GitHub by mvanhorn, 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 Last30days Skill include?
According to what Grok loaded in our install check, Last30days Skill includes 1 skill: last30days.
Details
- Type
- Plugin
- Category
- Research
- Source
- Community plugin, built for Grok Build
- License
- MIT
- Author
- mvanhorn
- Version
- 3.28.0
- Keywords
- ai-prompts, ai-skill, bluesky, claude, claude-code, clawhub, deep-research, hackernews, instagram, openclaw, polymarket, recency
- Source repo
- https://github.com/mvanhorn/last30days-skill
- Checked commit
13a6cc5fd1f2- 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 Last30days Skill? Add the badge; it links to this page.
Markdown
[](https://grokstacks.com/p/last30days-skill/)HTML
<a href="https://grokstacks.com/p/last30days-skill/"><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/last30days-skill/" 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">Last30days Skill</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">AI agent skill that researches any topic across Reddit, X, YouTube, HN, Polymarket, and the web - then synthesizes a…</span><span style="font-size:12px;font-weight:600;color:#7c9cff">View on GrokStacks →</span></a>Markdown summary
**[Last30days Skill on GrokStacks](https://grokstacks.com/p/last30days-skill/)**: Community plugin for Grok Build with 1 skill. Install: `grok plugin install last30days@mvanhorn/last30days-skill --trust` (after `grok plugin marketplace add mvanhorn/last30days-skill`)More on badges, embeds and keeping your listing up to date: GrokStacks for plugin authors.
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