Polymarket Paper Trader plugin for Grok Build
Paper trading simulator for Polymarket
How to install Polymarket Paper Trader in Grok Build
grok plugin install agent-next/polymarket-paper-trader --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
Runs a local MCP server (with npx, uvx or similar), so that tool needs to be installed, for example Node.js for npx.
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)
polymarket-paper-trader— Everyone's trading Polymarket with AI agents. Practice first — $10k paper money, real order books, zero risk. No wallet, no API keys, no real money. Then compete on the leaderboard.
MCP servers (1)
polymarket-paper-trader— stdio server
About this listing
Polymarket Paper Trader is a community plugin on GitHub by agent-next, 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 1 skill, 1 MCP server. Its license is MIT. We checked commit 55bb35b79568. It's one of 58 listings in the Database category on GrokStacks. It also appears in best Grok Build plugins for databases.
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Polymarket Paper Trader FAQ
How do I install Polymarket Paper Trader in Grok Build?
Run grok plugin install agent-next/polymarket-paper-trader --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 Polymarket Paper Trader an official Grok Build plugin?
No. Polymarket Paper Trader is a community plugin on GitHub by agent-next, 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 Polymarket Paper Trader include?
According to what Grok loaded in our install check, Polymarket Paper Trader includes 1 skill, 1 MCP server: polymarket-paper-trader, polymarket-paper-trader.
Details
- Type
- Plugin
- Category
- Database
- Source
- Community Claude Code plugin, installs in Grok
- License
- MIT
- Author
- agent-next
- Version
- 0.4.13
- Keywords
- ai-agent, algorithmic-trading, backtesting, benchmark, clawhub, forecasting, leaderboard, llm, mcp, mcp-server, model-context-protocol, openclaw
- Source repo
- https://github.com/agent-next/polymarket-paper-trader
- Checked commit
55bb35b79568- Homepage
- https://polymarket-leaderboard.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 Polymarket Paper Trader? Add the badge; it links to this page.
Markdown
[](https://grokstacks.com/p/polymarket-paper-trader/)HTML
<a href="https://grokstacks.com/p/polymarket-paper-trader/"><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/polymarket-paper-trader/" 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">Polymarket Paper Trader</span><span style="display:block;margin:2px 0 8px;font-size:12px;color:#9aa0b1">Community plugin for Grok Build · 1 skill, 1 MCP server</span><span style="display:block;margin:0 0 10px;color:#c9cdd8">Paper trading simulator for Polymarket</span><span style="font-size:12px;font-weight:600;color:#7c9cff">View on GrokStacks →</span></a>Markdown summary
**[Polymarket Paper Trader on GrokStacks](https://grokstacks.com/p/polymarket-paper-trader/)**: Community plugin for Grok Build with 1 skill, 1 MCP server. Install: `grok plugin install agent-next/polymarket-paper-trader --trust`More on badges, embeds and keeping your listing up to date: GrokStacks for plugin authors.
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