ElizaOS Polymarket Plugin

A plugin for that integrates Polymarket prediction markets with ElizaOS agents.

Features

• Market Discovery: Search and browse Polymarket prediction markets
• Trading Actions: Place buy/sell orders with private wallet key authentication
• Portfolio Management: Track positions, balances, and P&L
• Market Analysis: Get order book data, price history, and market insights
• Redemption: Claim winnings from resolved markets
• USDC Management: Read and approve USDC for trading

Installation

npm install @theschein/plugin-polymarket

Configuration

Add to your agent's character file:

```json { "plugins": ["@theschein/plugin-polymarket"] } ```

Environment Variables

# Required for trading
WALLET_PRIVATE_KEY=your-private-key

# Optional
CLOB_API_URL=https://clob.polymarket.com
CLOB_API_KEY=your-api-key

Available Actions

Core Trading

• PLACE_ORDER - Buy shares in a market
• SELL_ORDER - Sell existing positions
• REDEEM_WINNINGS - Claim winnings from resolved markets

Market Discovery

• SEARCH_MARKETS - Search for markets by keyword
• EXPLAIN_MARKET - Get detailed market information
• GET_MARKET_PRICE - Check current market prices
• SHOW_FAVORITE_MARKETS - Display trending markets

Portfolio Management

• GET_PORTFOLIO_POSITIONS - View current holdings
• GET_WALLET_BALANCE - Check USDC balance
• APPROVE_USDC - Approve USDC for trading
• SETUP_TRADING - Complete trading setup

Market Data

• GET_ORDER_BOOK_SUMMARY - View order book depth
• GET_PRICE_HISTORY - Historical price data
• SYNC_MARKETS - Update local market database

Usage Examples

Search for Markets

"Find markets about the presidential election"
"Search for markets on AI development"

Place Orders

"Buy $50 of YES shares in market 0x123..."
"Place a $100 bet on NO for the climate market"

Portfolio Management

"Show my portfolio positions"
"What's my wallet balance?"
"Redeem my winnings"

Market Analysis

"Explain the Bitcoin price market"
"What's the current price for YES shares?"
"Show me the order book"

Architecture

The plugin follows a modular architecture:

src/
├── actions/          # Individual action implementations
├── services/         # Background services (market sync, etc.)
├── providers/        # Data providers for agent context
├── utils/           # Helper utilities
├── types.ts         # TypeScript type definitions
├── plugin.ts        # Main plugin configuration
└── index.ts         # Public exports

Services

MarketSyncService

Automatically syncs market data from Polymarket API every 24 hours to maintain a local database for faster searching.

MarketDetailService

Provides detailed market information and analysis capabilities.

Security Considerations

• Never commit private keys to version control
• Use environment variables for sensitive configuration

Support

For issues and questions:

• GitHub Issues: Create an issue
• Documentation: ElizaOS Docs

Acknowledgments

Built with ElizaOS framework and Polymarket CLOB Client.