Nansen MCP

On-chain analytics for AI agents. Query smart money flows, token data, wallet profiling, and DeFi insights across Solana, Base, Ethereum and 20+ chains. 24 tools covering Smart Money tracking, token screener, DEX trades, wallet PnL, perpetual futures leaderboards, top holders, and more. Pay per call via API key (required Nansen Pro subscription) or x402 (USDC on Base/Solana, no subscription needed).