MCP server for querying Polymarket prediction market data via The Graph subgraphs. Exposes 9 tools that AI agents (Claude, Cursor, etc.) can use to query market data, trader P&L, positions, activity, and orderbook trades. Prerequisites You need a free Graph API key (takes ~2 minutes): Go to The Graph Studio Connect your wallet (MetaMask, WalletConnect, etc.) Click "API Keys" in the sidebar and create one Free tier includes 100,000 queries/month