575+ agent tools: data, AI gateway, storage/queues/watchers. x402 USDC, no keys, usage billing.
stdioofficialinfra
Package Details
@2sio/mcp
Transportstdio
Runtimenpx
Environment Variables
EVM_PRIVATE_KEY(str)
RequiredSecret
Hex-encoded EVM private key (0x-prefixed) used by the SDK to sign x402 EIP-3009 payment authorizations. Funds USDC on Base.