mcp-skills-plugin

Datadash AI Plugin

Official Datadash plugin for AI coding tools. Turn your AI assistant into a Polymarket analyst: look up wallets, see how smart money is positioned on an event, find markets where smart money disagrees with the price, and build wallet cohorts, directly from your editor.

Works with Claude (web and desktop), Claude Code, Codex, and Gemini CLI.

Installation

Every client needs a Datadash API key, which is sent to the Datadash MCP server (https://api.datadash.xyz/mcp) as the X-Api-Key header.

Claude (web and desktop)

1. Open Customize, then Plugins.
2. Select Add marketplace and enter datadash-xyz/mcp-skills-plugin.
3. Install Datadash from it.
4. Open the plugin's Connectors tab and connect Datadash.

This installs the Datadash MCP server and its skills.

Claude Code

From inside Claude Code (v2.1.275 or later):

/plugin install datadash --marketplace datadash-xyz/mcp-skills-plugin

Confirm the marketplace, choose a scope, then enter your Datadash API key when prompted.

On older versions, add the marketplace first:

/plugin marketplace add datadash-xyz/mcp-skills-plugin
/plugin install datadash@datadash
/reload-plugins

Codex

1. Set your API key in the environment Codex runs in:

   export DATADASH_API_KEY=<your-api-key>
   

2. Add the marketplace:

   codex plugin marketplace add datadash-xyz/mcp-skills-plugin
   

3. Install the plugin from inside Codex:

   codex
   # Then run /plugins, select Datadash, and install
   /plugins
   

Gemini CLI

gemini extensions install https://github.com/datadash-xyz/mcp-skills-plugin

Enter your Datadash API key when prompted (it is stored as DATADASH_API_KEY).

Local development

To work on the plugin from a local checkout in Claude Code:

git clone https://github.com/datadash-xyz/mcp-skills-plugin
claude --plugin-dir ./mcp-skills-plugin

Then run /mcp from inside Claude Code and check that plugin:datadash:datadash is connected.

What's Inside

Datadash Plugin

The MCP server exposes Datadash's Polymarket analytics tables and wallet cohorts. The skills teach the assistant how to use them well: which tables answer which question, what counts as smart money, and how to read and present the numbers.

Skills

Skills load automatically when a question matches. In Claude Code you can also call one directly, for example /datadash:smart-money.

Example prompts

• "How is smart money positioned on the Fed rate decision?"
• "Which markets does smart money disagree with the most right now?"
• "Analyze wallet Theo4." (by display name)
• "What is 0x56687bf447db6ffa42ffe2204a05edaa20f55839 holding right now?" (by address)
• "Compare these three wallets over the last month."
• "Show the biggest insider-like bets in Politics."

By default, smart money means the top 1000 wallets by all-time PnL in the event's two main categories (or overall, for questions across all markets). Ask for different criteria or name one of your cohorts to use another wallet set.

Repository Structure

.agents/plugins/
  marketplace.json            # Marketplace catalog (Codex)
.claude-plugin/
  marketplace.json            # Marketplace catalog (Claude Code)
  plugin.json                 # Plugin manifest and MCP server (Claude Code)
.codex-plugin/
  plugin.json                 # Plugin manifest and MCP server (Codex)
gemini-extension.json         # Extension manifest and MCP server (Gemini CLI)
skills/
  smart-money/
  wallet-analysis/

Requirements

• MCP-compatible client: Claude (web or desktop), Claude Code, Codex, or Gemini CLI
• Datadash account with an API key (datadash.xyz)