"Box" matching MCP connectors:

Live crypto trend signals, cross-asset ranking, and on-demand backtesting for BTC/ETH/SOL/XRP/ADA, backed by a transparent, independently-verifiable systematic methodology — every number backtestable yourself, not a black box. x402 USDC on Base & Solana via Coinbase CDP facilitator, $0.01-$0.28/call. No API keys.

337 MCP tools with x402 micropayments on Base. $0.001/call. No signup, no API keys.

Coinbase - 20 tools for market data, order books, and trading pairs

Coinmarketcap - 30 tools for data, metrics, and on-chain analytics

Hyperliquid - 2 tools for perpetuals, options, and position data

Coingecko - 36 tools for data, metrics, and on-chain analytics

Binance - 340 tools for market data, order books, and trading pairs

Etherscan Api - 71 tools for data, metrics, and on-chain analytics